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Revision 1.26 - (hide annotations)
Fri Oct 4 09:11:43 2002 UTC (18 years, 10 months ago) by nmav
Branch: MAIN
Changes since 1.25: +3 -0 lines
Added support for large files in 32 bit systems.

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

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