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Revision 1.25 - (show annotations)
Thu Oct 3 19:49:47 2002 UTC (18 years, 10 months ago) by nmav
Branch: MAIN
CVS Tags: hydra_0_0_6
Changes since 1.24: +1 -0 lines
*** empty log message ***

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

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