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Revision 1.49.2.21 - (show annotations)
Mon Jan 20 14:50:49 2003 UTC (18 years, 8 months ago) by nmav
Branch: hydra_0_1_0_patches
CVS Tags: hydra_0_1_3
Changes since 1.49.2.20: +1 -1 lines
*** empty log message ***

1 ** Changes from 0.1.2 to 0.1.3 - 20/01/2003
2 * Added DefaultCharset configuration directive. The default
3 character set given, will be appended to all text mime types.
4 * Corrected bug in KeepAlive usage in HTTP/1.1, which made the
5 server to ignore the value sent by the client.
6 * CGIAction can now be used even if HIC CGIs are disabled.
7 * Some optimizations in HTTP header parsing.
8 * Added a more complete mime.types in examples/ contributed by
9 <voidnull@qnet.pl>.
10 * Added the MaxSSLConnections configuration directive.
11 * Two mutexes are used in accept to allow parallel accepts
12 of SSL and plain connections.
13 * Added Dependency on gnutls 0.8.0.
14
15 ** Changes from 0.1.1 to 0.1.2 - 08/01/2003
16 * Allow running the server as root, if explicitly stated in
17 configuration file. Patch by James Harr <james@grickle.org>
18 * Better pthreads detection.
19 * Outputs to error log if non executable CGIs are found.
20 * Does not close HTTP/1.1 connections by default.
21 * The current behavour is to demand the Host header in HTTP/1.1
22 requests.
23 * Added support for CGIAction CGIs. There are just like CGIs
24 but they are not executed. They are parsed using a given program.
25 * Added init script for redhat in contrib/redhat/rc.hydra,
26 contributed by <voidnull@qnet.pl>.
27
28 ** Changes from 0.1.0 to 0.1.1 - 17/12/2002
29 * Corrected bug in Keep-Alive mode when SSL or TLS was enabled.
30 * Fixed unexpected timeout in first connection on an idle server.
31
32 ** Changes from 0.0.10 to 0.1.0 - 16/11/2002
33 * No changes. This is the final release by me --Nikos
34
35 ** Changes from 0.0.9 to 0.0.10 - 08/11/2002
36 * Corrected bug in error logging.
37 * Use the TMPDIR environment variable instead of TMP to get
38 the temporary directory.
39
40 ** Changes from 0.0.8 to 0.0.9 - 27/10/2002
41 * Long offsets are not used by default.
42 * Use of pipes instead of temporary files, if the post data sent
43 are less than PIPE_BUF.
44 * More consistent logging. The server's hostname or "unknown"
45 are prepended to the log message.
46 * Corrected redirection/aliases behaviour, to match the documented one.
47 * SSLParamsRefresh was renamed to MaintenanceInterval and is more
48 generic, since it includes some server cleanups.
49 * Added file access control lists per virtual host. Based on patch for
50 Boa by Peter Korsgaard <jacmet@sunsite.dk>
51 * Added the ability to disable HIC threads by using 0 in the
52 HICThreads configuration directive.
53 * Hydra now uses poll by default. Select is available using the --with-select
54 configure option.
55
56 ** Changes from 0.0.7 to 0.0.8 - 25/10/2002
57 * Better pthread detection.
58 * Better detection of dlopen call.
59 * Some changes to compile in gcc 2.95
60 * Added support for FreeBSD's sendfile (untested).
61 [Ported from Boa 0.94.14rc1]
62 * add new state, IOSHUFFLE, which utilizes sendfile (or
63 emulates it using the request's buffer, otherwise)
64 * make the default socket size 32K. The client_stream_size stays constant
65 at 8K, and the new 'buffer' size is 4K
66 Note also that the new code uses the "default" socket buffer size
67 it obtains with the first accept()ed socket.
68 * make default behavior be to leave stderr alone, but tie it
69 to cgilog otherwise
70 * add [optional, Linux-only] check for sendfile system call
71 * use --disable-sendfile to disable sendfile support
72 sendfile support for files > 100K is default, now.
73 It's significantly faster and easier than the alternative
74 * umask ~0770 before exec
75 * tie stdout to the access_log, unless there is no access_log,
76 in which case tie it to /dev/null
77 * use sensible defaults for umask (077) and (027 for CGI)
78 * add and document new parameters (CGILog and CGIumask)
79 * vast improvements to the cgi-test.cgi program, by Jon Nelson
80 and Landon Curt Noll.
81 * next 3 items by Don Mahurin (patches modified somewhat):
82 * pidfile patch
83 * default mime_types patch
84 * NCSA environment environment variables wrapped in
85 #ifdef USE_NCSA_CGI_ENV
86 * fix some escaping issues with the directory indexer
87 (Ulf Harnhammar)
88 * backport poll support from 0.95
89
90 ** Changes from 0.0.6 to 0.0.7 - 10/10/2002
91 * Added support for large files in 32 bit systems.
92 * Added support for SSL_* variables in CGIs.
93 * Added options in configuration file, to request and verify
94 a client certificate.
95 * The headers of HIC-CGIs are now parsed by the server.
96 * Corrected behavour in SIGHUP signal handling, to reread
97 the SSL related variables.
98 * Children and HIC threads are now killed using a signal, to avoid
99 unexpected errors, and memory leaks.
100
101 ** Changes from 0.0.5 to 0.0.6 - 03/10/2002
102 * Compatibility functions are now automatically included in hydra, if
103 they are not found by the configure script.
104 * Replaced the included scandir function, with the one in libc.
105 * Fixed code, which compiled fine with gcc 3.2, but didn't compile at
106 all, with any other compiler!
107 * Improved the MaxConnections directive semantics.
108 * Added a very primitive mime.types file in examples/ directory.
109
110 ** Changes from 0.0.4 to 0.0.5 - 02/10/2002
111 * If a requested CGI is not accesible then send 404 not found, instead
112 of trying to execute it.
113 * Corrected several stuff in HIC CGI handler. This allows Cookies,
114 POST data and Queries to work properly.
115
116 ** Changes from 0.0.3 to 0.0.4 - 30/09/2002
117 * Added support for If-Range, If-Match, If-None-Match HTTP/1.1 header
118 fields. The server also generates ETag headers for static content using
119 the last modified field of the file, and the file size. This makes
120 Hydra cache friendly.
121 * Added support for multiple HIC threads. This gives a boost to script generation
122 since they are no longer generated sequentially.
123
124 ** Changes from 0.0.2 to 0.0.3 - 28/09/2002
125 * Added support for dynamic modules that handle CGIs
126 internally (HIC). That way Hydra can run PHP.
127 * Fixes in CGI execution. CGIs that are not passed from aliasing
128 functions now properly set PATH_INFO and PATH_TRANSLATED.
129 (Needs further cleanup).
130 * Cleaned up SSL support. Now hydra can be compiled even if gnutls
131 is not available.
132
133 ** Changes from Boa/0.94.13 to Hydra/0.0.2 - 26/09/2002
134 * Added support for SSL 3.0 and TLS 1.0 protocols.
135 * Added support for multiple CPU's by making the server
136 run over a pool of threads.
137 * Changed the file caching code. The mmap() calls are cached until
138 the mmap list table is full.
139 * Added support for HTTP/1.1 ranges.
140 * Added support for hostname based virtual hosting.
141 Also changed the semantics of Alias, ScriptAlias and Redirect, to
142 take advantage of the host based virtual hosting.
143 * Added support for the TCP_CORK tcp option in linux.
144 * Cleaned up the CGI handling (gunzip, indexer are treated as CGIs)
145 * Enhanced grammar to handle 3 and 4 argument options.
146 * Added support for multiple directory indexes.
147 * Dropped support for gunzip.
148 * Use automake to create the distribution.
149
150 ** Changes from 0.94.12 to 0.94.13
151 * Change many instances of log_error_mesg + exit to DIE macro
152 * Change all instance of log_error_mesg (without exit) to WARN macro
153 * do a much better job of checking return values from malloc and
154 especially strdup.
155 * check results of calling umask and getrlimit
156 * server_s is no longer a global int
157 * check results of fork via switch instead of if (fork())
158 * check for getopt.h and include it if found
159 * remove unused #defines, and add WARN macro, and replace
160 many calls to log_error_mesg(..) with WARN macro
161 * fix bug in get_commonlog_time where time_offset calculation was
162 the opposite of what it should be ('-' and '+' were swapped)
163 * fix compatability bug with old and newer versions of flex/yacc
164 * add check for AC_FUNC_MMAP to configure.in
165 * fix really lame thinko in normalize_path, which would prepend the
166 results of earlier calls to results from later calls
167 * Add MaxConnections, a configuration directive which allows the
168 user to specify the maximum number of connections that Boa will
169 accept concurrently.
170 * add SERVER_ADDR and REQUEST_URI to environment of CGI
171 * handle SIGBUS during writes of data that has been memory mapped
172 * minor optimization in select.c that prevents DEAD requests from
173 being added to the block set
174 * fix bug in CGI environment script_name - closes sf.net bug #576725
175 * make 'status' variable local to requests.c, not local to every file
176 by forgetting to declare 'extern' in globals.h :-|
177 * make getsockname non-fatal, and do it every time because we may
178 need it for the CGI
179 * some minor refactoring optimizations in hash.c
180
181 ** Changes from 0.94.11 to 0.94.12
182 * Renamed Changelog ChangeLog, and moved up to top-level directory
183 * Next 3 items due in part or whole thanks to
184 Liam Widdowson
185 * when printf'ing a pid type, force to int, because it could be
186 something else on other platforms. Should probably change it to
187 a long, and use that.
188 * backported chroot commandline support from 0.95
189 * backported support for strdup, strstr, alphasort, and scandir
190 from 0.95
191 * Fixed src/Makefile.in -- it didn't remove index_dir.o
192 * backport create_temporary_file from 0.95
193 (instead of using tmpnam)
194 * Allow non-standard date format 31 September 2000 23:59:59 GMT
195 Patch by Landon Curt Noll
196 * Skip whitespace before HTTP/major.minor
197 Adapted patch from Landon Curt Noll
198 * open /dev/null first thing (affects chrooting)
199 * properly handle sigalrm -- use sigalrm_flag and sigalrm_run
200 instead of handling the signal in the signal handler
201 * update manpage slightly
202 * send 400 BAD Request when resource does not start with '/'
203 * add grp.h to boa.h's includes -- remove from boa.c and config.c
204 * removed duplicate header includes from boa.c, config.c, get.c,
205 ip.c, request.c, response.c
206 * factor out creating the server socket and dropping privs
207 into create_server_socket and drop_privs
208 * type all functions in boa.c (except main) as static
209 * set umask after opening /dev/null
210 * tie stdin/stdout to /dev/null before commandline parse
211 * removed old, unused chroot code
212 * move builds_needs_escape earlier in the startup
213 * move fork later in the startup
214 * type all c_set_* as static in config.c
215 * don't bother trying to change uid/gid (or error if the
216 requested uid/gid doesn't exist) if not UID 0
217 * return more appropriate error code when foo.html gives
218 access denied, but foo.html.gz gives some other error
219 (essentially report error associated with foo.html, not foo.html.gz)
220 * send NOT Implemented when an unknown method is attempted
221 * always attempt a 32k read right before close
222 (stopgap until blackhole can be merged)
223 * allow more than 1 space in logline between method, resource,
224 and http version
225 * don't use inline functions
226 * update configure.in so that autoconf 2.50 doesn't complain (as much)
227 * properly use VPATH and srcdir according to autoconf docs
228 * change curly-braces to parentheses in Makefilein
229 * use $^ instead of manually listing the dependencies in Makefile.in
230 * remove tests section in Makefile.in
231 * write tags not TAGS in Makefile.in
232 * Add gethostbyname and inet_aton to function checks
233 * Add code from 0.95 which checks for socket in -lsocket,
234 inet_aton in -lresolv, and gethost{by}name in -lnsl
235 * Also remove broken bc-based "how big is an unsigned int" checks:
236 assume minimum of 32 bits and check in escape.c at runtime.
237 * Added new file: README.chroot.solaris, based on a
238 modified version by Liam Widdowson
239 * Add check_struct_for.m4, which allows us to check a structure
240 for a member (found at http://www.gnu.org/software/ac-archive/
241 authored by Wes Hardaker
242 * Call "aclocal -I ." to rebuild aclocal.m4
243 * Using new check-struct-for-member autoconf macro, check
244 for tm_gmtoff and tm_zone in struct tm -- useful in
245 portability tests for localtime.
246 * Also check sockaddr_in for structure sin_len so we can set
247 it properly.
248 * index_dir.c (which ends up in boa_indexer) can now be compiled
249 with USE_LOCALTIME, and if so, it will report the local time
250 using the timezone name. Otherwise it uses UTC time and UTC
251 timezone designation.
252 * fix buglet in mmap_cache.c which shows up when under
253 heavy load by many different files.
254 Found and squashed by Michal Kara
255 * normalize paths on Aliases, log files, server root, dirmaker
256 This makes sure that paths are 'absolute'
257 * don't generate DOCUMENT_ROOT or SERVER_ROOT,
258 CGIs have no business knowing that information
259 * if CGI, chdir to the cgi's root path
260 Bug found by Matt Callaway
261 * remove ChrootPath and PidFile directives from the parser
262 (they aren't used anyway)
263 * keep track of maximum file descriptor in use to optimize call
264 to select()
265 * apply IPv6 patch from Jari Korva
266 * optimize keep-alive copy data routine
267 * try to use memcpy instead of strcpy/strcat in more places (alias.c)
268 * update .depend file
269 * use fcntl + GET_FL to get a file descriptor's flags, then
270 add or remove only the bits we want to set. This prevents
271 accidentally setting or unsettings bits we don't have anything
272 to do with inadvertantly. (removed, at least temporarily.
273 Show me a system where it is needed -- LRD)
274 * make sure to call FD_ZERO when we handle a restart
275 * in read.c, don't call boa_perror on read failure -- socket is
276 dead or messed up anyway, no reason to try to write to it.
277 * explicit .SUFFIXES in Makefile.in
278 * boa.objdump target added
279 * use @MAKE_SET@ (for when $(MAKE) != "make")
280 * add -Wundef -Wwrite-strings -Wredundant-decls -Winline to GCC_FLAGS
281 * change Paul Phillips' and Larry Doolittle's emails in source
282 * add --disable-debug, --enable-profile, --with-dmalloc, and --with-efence
283 * test for failed-but-return-was-successful setuid:
284 http://www.securityfocus.com/bid/1322
285 * use _exit not exit in CGI child
286 * always place new keepalive request on blocked list, we can't be
287 sure of the state of the active list, and since enqueue places
288 things at the *front* of the list, it doesn't do us much good
289 to place the new request on the active list anyway.
290 * update some Copyright statements for 2002
291 * When comparing the uri to an alias, only compare if
292 the uri length is greater than or equal to the length of the alias
293 * in init_script_alias, make sure to check for document_root before
294 trying to use it
295 * script_name is now just a copy of the request, rather
296 than some complicated variation on the pathname
297 * change the way the CGI environment is handled.
298 Now, it is allocated at request allocation time, and exists
299 throughout the life of the structure.
300 * check memory allocations, etc.. when creating the static
301 CGI environment and when making new CGI environment variables
302 * wait until process_option_end to call unescape_uri, clean_pathname,
303 and translate_uri
304 * remove debian package information
305 * move RedHat packaging information to contrib
306 * remove tests -- they weren't usable anyway
307 * add some new hash routines, and use djb2 (a variant on a
308 hash algorithm popularized by Dan J. Bernstein)
309 * a side-effect of the new hash routines is a bugfix,
310 involving negative return values from hash routines.
311 This has been fixed.
312 * add a routine, show_hash_stats, which is called with other
313 statistical output via sigalarm
314 * remove some duplicate prototypes from config.c
315 * make simple_itoa take an unsigned int
316 * try to make NOBLOCK handling in compat.h compatible with Solaris
317 * make sure to update current_time before calling signal handlers
318 * alter primary loop to make sure that select gets called even
319 when there are requests that are not blocking, and call fdset_update
320 and process_requests (when appropriate) after signal handlers but
321 before select to make sure that blocked requests are still handled
322 by select after a sighup. (Thanks to Karl Olsen)
323 * pull select loop into select.c
324 * poll server socket once per active connection
325 * add send_r_service_unavailable and use it when appropriate
326 * state uptime in seconds at normal program termination
327 * include sys/fcntl.h if it is found by configure
328 * fix POST bug where a content-length < 0 would cause Boa to
329 consume its full share of CPU until killed
330 Bug report by Landon Curt Noll
331 * add CGIPath configuration variable
332 based upon a patch by Landon Curt Noll
333 * add function boa_atoi, which wraps atoi, but does not
334 accept negative values. Additionally, it checks to make sure
335 the converted value and the original value are the same, avoiding
336 issues like "124.3" -> "123" and "123abc" -=> "123".
337 Either a value is an int or it isn't - no middle ground.
338 * use boa_atoi to convert content-length from client.
339 * add new #define - SINGLE_POST_LIMIT_DEFAULT, which defines
340 (in bytes) the *default* single_post_limit.
341 * single_post_limit is now in bytes.
342 * when adding aliases, only "normalize" paths that start
343 with "./" - this is a departure from previous behavior
344 * add "?" to the list of characters that it is safe to leave unescaped
345 * clean up Makefile.in of no-longer-pertinent comments
346 * add send_r_bad_gateway and use it
347 * tie stderr to either cgi_log_fd or devnullfd - either way
348 make sure stderr is a valid filehandle before cgi execution
349 * cgi_env is no longer allocated, it's part of the struct now
350 * fix bug in CgiPath logic
351 * when unable to allocate memory for an environment variable, log it
352 * add clear_common_env, which de-allocates the cgi_common_env stuff
353 [NEVER USE THIS outside of a terminal signal handler!]
354 * don't be so wasteful of memory in normalize_path
355 * adapted fix for alias expansion from Brieuc Jeunhomme
356
357 ** Changes from 0.94.10.1 to 0.94.11
358 * use LIBS in Makefile.in (which propagates from autoconf)
359 * properly free memory allocated by scandir in index_dir.c
360 * rearrange some header files and includes
361 * on reads and writes, don't check for -1, check for < 0
362 * include fix by William Meadows
363 for escape.c which fixes segfaults due to improper allocation
364 * above fix by William Meadows no longer needed;
365 escape.c and escape.h rewritten by Larry Doolittle -- requires
366 at least 32 bit words, but is correct (jdn's 1st attempt was faulty)
367
368 ** Changes from 0.94.10 to 0.94.10.1
369 * Actually update the SERVER_VERSION in src/defines.h
370
371 ** Changes from 0.94.9 to 0.94.10
372 * Fixes escaping rules
373 * Fixes segfault when directory_index is undefined and
374 directory needs to be generated
375 * adds dummy signal handlers for SIGUSR1 and SIGUSR2 (Closes SF #425921)
376 * Update documentation regarding mime.types (Closes Debian #69991)
377 * Make sure documentation builds (Closes Debian #110818)
378
379 ** Changes from 0.94.8.3 to 0.94.9
380 * src/Makefile.in updated to take CFLAGS, LIBS, and LDFLAGS
381 from autoconf
382 * Update escaping rules with latest RFC
383 * unescape_uri skips fragments and also stop parsing at '?'
384 * Don't accept fd over FD_SETSIZE in request.c:get_request
385 * use backported documentation from 0.95
386 * make sure POST fd gets closed even on client cancel
387 * use backported index_dir.c from 0.95
388 * support subdirectories in ScriptAlias directories
389 * add SinglePostLimit (int, in Kilobytes) to config system
390 * check for ENOSPC on body write
391 * use environment variable TMP (or "/tmp" if not available),
392 and chdir there when boa exits.
393 * add 1-time-only hack to make a 32kB read at the end of a request
394 on POST or PUT
395 * close unused file descriptors (/dev/null in boa.c, and the
396 unused part of the pipes call in cgi.c)
397 * made Makefile.in VPATH happy
398
399 ** Changes from 0.94.8.2 to 0.94.8.3
400 * Move unescape_uri *before* clean_pathname to prevent
401 encoding of / and .. in pathname
402 * wrap execution of GUNZIP in cgi.c with #ifdef GUNZIP
403 * stop parsing when fragment found in URL ('#')
404
405 ** Changes from 0.94.8.1 to 0.94.8.2
406 * close pipes[1] in child and generate HTTP_REFERER environment
407 variable in cgi.c
408 * Minor changes to the Debian package
409
410 ** Changes from 0.94.8 to 0.94.8.1
411 * Change umask call from (umask(0600)) to (umask(~0600))
412
413 ** Changes from 0.94.7 to 0.94.8
414 * Fix major thinko in temp file permissions
415 * unlink temporary file immediately following creation
416 * implement maximum # of active connections at 10 less than RLIMIT_NOFILE
417 to avoid or eliminate crashes resulting from running out of
418 file descriptors
419 * Fix thinko in POST
420
421 ** Changes from 0.94.6 to 0.94.7
422 * STDIN and STDOUT are now tied to /dev/null
423 * sets PATH_MAX to 2048 if not defined (for Hurd)
424 * core dumps (should never happen) would be located in /tmp
425 * alter behavior when select gets a EBADF
426 * add translation for the \" char -> &quot;
427 * remove use of sys_errlist. Use perror.
428 * better makedist.sh (still a stupid program though)
429
430 ** Changes from 0.94.5 to 0.94.6
431 * Removed doc++ commenting
432 * Removed erroneous debugging statments
433 * Move some stuff out of config.c (read_config_file) to boa.c
434 * Altered some of fixup_server_root()
435 * Bug fix in get.c re: automatic gunzip
436 * Added some stubs for chroot code (*not* ready yet)
437
438 ** Changes from 0.94.4 to 0.94.5
439 * Alteration of most of the comments and such for doc++ use
440 * Fixed buffer overflow in alias.c
441 * Fixed buffer underflow in util.c
442
443 ** Changes from 0.94.3 to 0.94.4
444 * Better escaping of data to user, both for HTTP headers and HTML body
445 * Proper escaping of output in CGI example perl scripts
446
447 ** Changes from 0.94.0 to 0.94.2
448 * Fixed obnoxious pipeline bug
449 * Fixed (sorta) a compilation/core bug for *BSD systems
450 Original code by Thomas Neumann
451 * Moved to GPLv2
452 * Changed manpage to section 8
453 * boa.sgml now references a .png file instead of evil .gif
454
455 ** Changes from 0.93.19.2 to 0.94.0
456 * Added UseGMT to the configuration parser
457 * util.c commonlog now logs in Apache-style commonlog time format
458 * Remove SO_SNDBUF on-start message
459
460 ** Changes from 0.93.19 to 0.93.19.2
461 * Changed to combined log (from NCSA access_log format) ala Drew Streib
462 * Altered POST cgi code to handle bug in Netscape
463 * SO_SNDBUF changes by Larry
464
465 ** Changes from 0.93.17.2 to 0.93.19 (all 0.93.18.x changes inclusive)
466 * Update of some copyright statements for 99
467 * Replacement of sprintf with strlen/memcpy or strcpy/strcat
468 wherever possible
469 * Significant rearrangement in alias.c, minor functional differences
470 (some CGI environment variables handled differently)
471 * Removal of die function. Replace with log_err_mesg and exit.
472 * initial IPv6 stubs and support
473 * Move #include "config.h" to top of boa.h where it will do some good
474 * Stubs and functions for strstr and strdup
475 * Seperation of buffer code into it's own file
476 * Significant changes to cgi.c et al (cgi_header.c, etc...)
477 * Speed patches by removal of "extra" calls to time(): Use global variable!
478 * pipelining changes... it works now.
479 * require content-length from clients (ala rfc1945)
480 * alter body_read and body_write to work more efficiently with known content-length
481 * move read(2) part to *after* parsing...
482 * added support for additional header message in send_redirect_temp
483 * change use of NO_ZERO_FILL_LENGTH to offsetof() use
484 * Remove SO_REUSEADDR setting on each client socket, Paul Saab
485 * Avoid SO_SNDBUF setting if possible
486 * Large quantities of otherwise not-insignificant changes
487
488 ** Changes from 0.93.17.2 to 0.93.17.3
489 * Put on-the-fly directories back in, stripped down from the 0.92 version
490 * Fixed DocumentRoot, ServerAdmin and ServerName null-value handling in
491 CGI environment generation
492 * Fixed argument order in Script* directives (bug introduced in 0.93.17.2)
493 * Got rid of MAX_CGI_VARS because it was not being used consistently, or
494 for that matter, at all, really.
495 * Added some more FASCIST_LOGGING to cgi.c
496 * Minor mmap patch by LRD for request.c
497
498 ** Changes from 0.93.17.1 to 0.93.17.2
499 * Added "Listen" directive for server bind address, as most recently
500 suggested by David N. Welton
501 * Put virtualhost feature in, was experimental in 0.92q
502
503 ** Changes from 0.93.16.2 to 0.93.17.1
504 * New config file parser (supposed to be more maintainable) (LRD)
505 * Support for "|command" and ":host:port" syntax for logfiles (untested) (LRD)
506
507 ** Changes for the 0.93 version **
508 * Huge quantities of changes
509 * keepalive Bugfix in 0.93.16.2 by Jon Nelson
510 report by Craig Silverstein of Google fame.
511 * patch for config.h by Craig Silverstein
512 * fixed "Parent Directory" problem in boa_indexer for title "/"
513 (Debian bug #36165)
514 * More Craig Silverstein
515 modifications, namely:
516 ErrorLog (if omitted, print to stderr)
517 DocumentRoot (if omitted, can only server user-dir files)
518 DirectoryIndex (if omitted, always use DirectoryMaker)
519 MimeTypes (if omitted, don't load -- users can use AddType instead)
520
521
522 ** Changes from v0.92o to v0.92p **
523
524 * Documented misbehavior of CGI, SIGHUP, short aliases, stale dircache.
525 * Documented how to patch signals.c for use on SunOS.
526 * Closed file descriptor leak when redirecting a bare directory URL to
527 one with an appended "/".
528 * Closed potential file descriptor leak if errors encountered generating
529 on-the-fly index.
530 * Cleaned up include file handling to be simultaneously compatible with
531 Linux, SunOS, HP-UX, and AIX.
532 * Supress message body for codes 302, 400, 403, 404, 500, and 501 if
533 incoming request is "HEAD".
534
535 ** Changes from v0.91 to v0.92o **
536 (0.92o released 27 December, 1996)
537
538 * Maintenance handover from Paul Phillips to Larry Doolittle
539 * Changed (char)NULL to '\0'
540 * Cleaned up signal handler prototypes in signals.c
541 * Modified handling of CGI environment variable PATH_TRANSLATED,
542 should now work the same as NCSA.
543 * More conservative buffer size in add_cgi_env()
544 * Build argv list for a CGI script according to spec
545 * Speedup process_header_line, eliminate potential memory leak
546 * Occasional spelling fixes and lint removal
547 * Added REMOTE_PORT env var for CGI scripts, to allow easy ident lookups
548 * Changed rfc822 time format
549 * Log timeouts and broken connections
550 * Fix mime suffix handling for filenames with multiple "."s
551 * Initialize conn->time_last, fixes bug with rapid-fire connections
552 * Performance tweak to req_write()
553 * Changed http_version from float to char[8]
554 * Rewrote on-the-fly directory generation; it works now
555 * Added user configurable dircache directory in boa.conf
556 * Fixed "simple" response bugs, including incorrect CGI handling
557 * Keepalive (HTTP/1.1 draft) support, mostly by Jon Nelson
558 * Close data_fd in 304 Not Modified flow of control
559 * Switch socket flags to non-blocking before cgi handoff
560 * Try to handle errno properly in the face of multiple errors
561 * Close fd's of all other transactions before cgi handoff
562 * Move real work for sighup and sigchld out of signal handler
563 * Fix free(req->cgi_env) in request.c
564 * Response message cleanup - better match to HTML-2.0 DTD
565 * Experimental Virtual Host code from Russ Nelson
566 * Expand buffer for escaped URI in init_get()
567 * SIGTERM triggers lame duck mode until all pending transactions complete
568 * Close and unlink temp file for POST in parent process
569
570 ** Changes from v0.90 to v0.91 **
571
572 * Cleaned up main while loop
573 * Optimized request line parsing
574 * Added state machine for header reads -- necessary to deal wtih
575 possibility of obtaining header data in multiple reads. This
576 also allows interactive use of server.
577 * Added 500/501 return codes for various conditions
578
579 ** v0.90 **
580
581 * Initial release
582

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