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Revision 1.49.2.13 - (show annotations)
Thu Jan 9 14:16:32 2003 UTC (18 years, 6 months ago) by nmav
Branch: hydra_0_1_0_patches
Changes since 1.49.2.12: +4 -0 lines
Added defaultCharset configuration directive, and the ability to send the default charset in the content type field.

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

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