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Revision 1.22 - (show annotations)
Wed Oct 2 15:17:42 2002 UTC (19 years, 2 months ago) by nmav
Branch: MAIN
Changes since 1.21: +4 -1 lines
Moved alphasort.c to strutil.c.

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

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