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Revision 1.49.2.21 - (hide annotations)
Mon Jan 20 14:50:49 2003 UTC (18 years, 6 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 nmav 1.49.2.21 ** Changes from 0.1.2 to 0.1.3 - 20/01/2003
2 nmav 1.49.2.13 * Added DefaultCharset configuration directive. The default
3 nmav 1.49.2.14 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 nmav 1.49.2.15 * CGIAction can now be used even if HIC CGIs are disabled.
7 nmav 1.49.2.16 * Some optimizations in HTTP header parsing.
8 nmav 1.49.2.18 * Added a more complete mime.types in examples/ contributed by
9     <voidnull@qnet.pl>.
10     * Added the MaxSSLConnections configuration directive.
11 nmav 1.49.2.19 * Two mutexes are used in accept to allow parallel accepts
12     of SSL and plain connections.
13 nmav 1.49.2.20 * Added Dependency on gnutls 0.8.0.
14 nmav 1.49.2.13
15 nmav 1.49.2.10 ** Changes from 0.1.1 to 0.1.2 - 08/01/2003
16 nmav 1.49.2.4 * Allow running the server as root, if explicitly stated in
17 nmav 1.49.2.12 configuration file. Patch by James Harr <james@grickle.org>
18 nmav 1.49.2.5 * Better pthreads detection.
19 nmav 1.49.2.6 * Outputs to error log if non executable CGIs are found.
20 nmav 1.49.2.7 * Does not close HTTP/1.1 connections by default.
21 nmav 1.49.2.9 * 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 nmav 1.49.2.8 but they are not executed. They are parsed using a given program.
25 nmav 1.49.2.11 * Added init script for redhat in contrib/redhat/rc.hydra,
26     contributed by <voidnull@qnet.pl>.
27 nmav 1.49.2.4
28 nmav 1.49.2.3 ** Changes from 0.1.0 to 0.1.1 - 17/12/2002
29 nmav 1.49.2.2 * Corrected bug in Keep-Alive mode when SSL or TLS was enabled.
30     * Fixed unexpected timeout in first connection on an idle server.
31 nmav 1.49.2.1
32 nmav 1.49 ** 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 nmav 1.48 ** Changes from 0.0.9 to 0.0.10 - 08/11/2002
36 nmav 1.47 * Corrected bug in error logging.
37     * Use the TMPDIR environment variable instead of TMP to get
38     the temporary directory.
39    
40 nmav 1.46 ** Changes from 0.0.8 to 0.0.9 - 27/10/2002
41 nmav 1.42 * 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 nmav 1.44 * More consistent logging. The server's hostname or "unknown"
45 nmav 1.43 are prepended to the log message.
46 nmav 1.44 * Corrected redirection/aliases behaviour, to match the documented one.
47 nmav 1.45 * 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 nmav 1.46 * 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 nmav 1.42
56 nmav 1.41 ** Changes from 0.0.7 to 0.0.8 - 25/10/2002
57 nmav 1.36 * Better pthread detection.
58 nmav 1.40 * Better detection of dlopen call.
59 nmav 1.37 * Some changes to compile in gcc 2.95
60 nmav 1.40 * Added support for FreeBSD's sendfile (untested).
61 nmav 1.38 [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 nmav 1.40 * add [optional, Linux-only] check for sendfile system call
71 nmav 1.38 * 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 nmav 1.36
90 nmav 1.35 ** Changes from 0.0.6 to 0.0.7 - 10/10/2002
91 nmav 1.26 * Added support for large files in 32 bit systems.
92 nmav 1.27 * Added support for SSL_* variables in CGIs.
93 nmav 1.28 * Added options in configuration file, to request and verify
94     a client certificate.
95 nmav 1.34 * The headers of HIC-CGIs are now parsed by the server.
96 nmav 1.33 * Corrected behavour in SIGHUP signal handling, to reread
97 nmav 1.29 the SSL related variables.
98 nmav 1.33 * Children and HIC threads are now killed using a signal, to avoid
99     unexpected errors, and memory leaks.
100 nmav 1.26
101 nmav 1.24 ** Changes from 0.0.5 to 0.0.6 - 03/10/2002
102 nmav 1.21 * Compatibility functions are now automatically included in hydra, if
103     they are not found by the configure script.
104 nmav 1.22 * Replaced the included scandir function, with the one in libc.
105 nmav 1.23 * Fixed code, which compiled fine with gcc 3.2, but didn't compile at
106 nmav 1.22 all, with any other compiler!
107 nmav 1.23 * Improved the MaxConnections directive semantics.
108 nmav 1.25 * Added a very primitive mime.types file in examples/ directory.
109 nmav 1.21
110 nmav 1.20 ** Changes from 0.0.4 to 0.0.5 - 02/10/2002
111 nmav 1.18 * If a requested CGI is not accesible then send 404 not found, instead
112     of trying to execute it.
113 nmav 1.19 * Corrected several stuff in HIC CGI handler. This allows Cookies,
114     POST data and Queries to work properly.
115 nmav 1.18
116 nmav 1.17 ** Changes from 0.0.3 to 0.0.4 - 30/09/2002
117 nmav 1.14 * 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 nmav 1.15 the last modified field of the file, and the file size. This makes
120     Hydra cache friendly.
121 nmav 1.16 * Added support for multiple HIC threads. This gives a boost to script generation
122 nmav 1.22 since they are no longer generated sequentially.
123 nmav 1.14
124 nmav 1.13 ** Changes from 0.0.2 to 0.0.3 - 28/09/2002
125 nmav 1.11 * 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 nmav 1.12 * Cleaned up SSL support. Now hydra can be compiled even if gnutls
131     is not available.
132 nmav 1.11
133 nmav 1.9 ** Changes from Boa/0.94.13 to Hydra/0.0.2 - 26/09/2002
134 nmav 1.2 * 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 nmav 1.4 * Added support for hostname based virtual hosting.
141 nmav 1.5 Also changed the semantics of Alias, ScriptAlias and Redirect, to
142     take advantage of the host based virtual hosting.
143 nmav 1.3 * Added support for the TCP_CORK tcp option in linux.
144     * Cleaned up the CGI handling (gunzip, indexer are treated as CGIs)
145 nmav 1.10 * Enhanced grammar to handle 3 and 4 argument options.
146 nmav 1.7 * Added support for multiple directory indexes.
147     * Dropped support for gunzip.
148 nmav 1.8 * Use automake to create the distribution.
149 nmav 1.2
150 nmav 1.1 ** 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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