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Revision 1.1 - (show annotations)
Sat Sep 21 13:53:14 2002 UTC (19 years, 2 months ago) by nmav
Branch: MAIN
Branch point for: boas
Initial revision

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

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