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Revision 1.47 - (hide annotations)
Fri Nov 1 18:56:15 2002 UTC (18 years, 11 months ago) by nmav
Branch: MAIN
Changes since 1.46: +5 -0 lines
use the TMPDIR environment variable to get tmp directory.

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

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