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Revision 1.7 - (hide annotations)
Wed Sep 25 19:55:53 2002 UTC (19 years ago) by nmav
Branch: MAIN
Changes since 1.6: +2 -0 lines
Added support for multiple directory indexes. Droped support for uncompressing gziped files.

1 nmav 1.6 ** Changes from Boa/0.94.13 to Hydra/0.0.2
2 nmav 1.2 * Added support for SSL 3.0 and TLS 1.0 protocols.
3     * Added support for multiple CPU's by making the server
4     run over a pool of threads.
5     * Changed the file caching code. The mmap() calls are cached until
6     the mmap list table is full.
7     * Added support for HTTP/1.1 ranges.
8 nmav 1.4 * Added support for hostname based virtual hosting.
9 nmav 1.5 Also changed the semantics of Alias, ScriptAlias and Redirect, to
10     take advantage of the host based virtual hosting.
11 nmav 1.3 * Added support for the TCP_CORK tcp option in linux.
12     * Cleaned up the CGI handling (gunzip, indexer are treated as CGIs)
13 nmav 1.5 * Enhanced grammer to handle 3 and 4 argument options.
14 nmav 1.7 * Added support for multiple directory indexes.
15     * Dropped support for gunzip.
16 nmav 1.2
17 nmav 1.1 ** Changes from 0.94.12 to 0.94.13
18     * Change many instances of log_error_mesg + exit to DIE macro
19     * Change all instance of log_error_mesg (without exit) to WARN macro
20     * do a much better job of checking return values from malloc and
21     especially strdup.
22     * check results of calling umask and getrlimit
23     * server_s is no longer a global int
24     * check results of fork via switch instead of if (fork())
25     * check for getopt.h and include it if found
26     * remove unused #defines, and add WARN macro, and replace
27     many calls to log_error_mesg(..) with WARN macro
28     * fix bug in get_commonlog_time where time_offset calculation was
29     the opposite of what it should be ('-' and '+' were swapped)
30     * fix compatability bug with old and newer versions of flex/yacc
31     * add check for AC_FUNC_MMAP to configure.in
32     * fix really lame thinko in normalize_path, which would prepend the
33     results of earlier calls to results from later calls
34     * Add MaxConnections, a configuration directive which allows the
35     user to specify the maximum number of connections that Boa will
36     accept concurrently.
37     * add SERVER_ADDR and REQUEST_URI to environment of CGI
38     * handle SIGBUS during writes of data that has been memory mapped
39     * minor optimization in select.c that prevents DEAD requests from
40     being added to the block set
41     * fix bug in CGI environment script_name - closes sf.net bug #576725
42     * make 'status' variable local to requests.c, not local to every file
43     by forgetting to declare 'extern' in globals.h :-|
44     * make getsockname non-fatal, and do it every time because we may
45     need it for the CGI
46     * some minor refactoring optimizations in hash.c
47    
48     ** Changes from 0.94.11 to 0.94.12
49     * Renamed Changelog ChangeLog, and moved up to top-level directory
50     * Next 3 items due in part or whole thanks to
51     Liam Widdowson
52     * when printf'ing a pid type, force to int, because it could be
53     something else on other platforms. Should probably change it to
54     a long, and use that.
55     * backported chroot commandline support from 0.95
56     * backported support for strdup, strstr, alphasort, and scandir
57     from 0.95
58     * Fixed src/Makefile.in -- it didn't remove index_dir.o
59     * backport create_temporary_file from 0.95
60     (instead of using tmpnam)
61     * Allow non-standard date format 31 September 2000 23:59:59 GMT
62     Patch by Landon Curt Noll
63     * Skip whitespace before HTTP/major.minor
64     Adapted patch from Landon Curt Noll
65     * open /dev/null first thing (affects chrooting)
66     * properly handle sigalrm -- use sigalrm_flag and sigalrm_run
67     instead of handling the signal in the signal handler
68     * update manpage slightly
69     * send 400 BAD Request when resource does not start with '/'
70     * add grp.h to boa.h's includes -- remove from boa.c and config.c
71     * removed duplicate header includes from boa.c, config.c, get.c,
72     ip.c, request.c, response.c
73     * factor out creating the server socket and dropping privs
74     into create_server_socket and drop_privs
75     * type all functions in boa.c (except main) as static
76     * set umask after opening /dev/null
77     * tie stdin/stdout to /dev/null before commandline parse
78     * removed old, unused chroot code
79     * move builds_needs_escape earlier in the startup
80     * move fork later in the startup
81     * type all c_set_* as static in config.c
82     * don't bother trying to change uid/gid (or error if the
83     requested uid/gid doesn't exist) if not UID 0
84     * return more appropriate error code when foo.html gives
85     access denied, but foo.html.gz gives some other error
86     (essentially report error associated with foo.html, not foo.html.gz)
87     * send NOT Implemented when an unknown method is attempted
88     * always attempt a 32k read right before close
89     (stopgap until blackhole can be merged)
90     * allow more than 1 space in logline between method, resource,
91     and http version
92     * don't use inline functions
93     * update configure.in so that autoconf 2.50 doesn't complain (as much)
94     * properly use VPATH and srcdir according to autoconf docs
95     * change curly-braces to parentheses in Makefilein
96     * use $^ instead of manually listing the dependencies in Makefile.in
97     * remove tests section in Makefile.in
98     * write tags not TAGS in Makefile.in
99     * Add gethostbyname and inet_aton to function checks
100     * Add code from 0.95 which checks for socket in -lsocket,
101     inet_aton in -lresolv, and gethost{by}name in -lnsl
102     * Also remove broken bc-based "how big is an unsigned int" checks:
103     assume minimum of 32 bits and check in escape.c at runtime.
104     * Added new file: README.chroot.solaris, based on a
105     modified version by Liam Widdowson
106     * Add check_struct_for.m4, which allows us to check a structure
107     for a member (found at http://www.gnu.org/software/ac-archive/
108     authored by Wes Hardaker
109     * Call "aclocal -I ." to rebuild aclocal.m4
110     * Using new check-struct-for-member autoconf macro, check
111     for tm_gmtoff and tm_zone in struct tm -- useful in
112     portability tests for localtime.
113     * Also check sockaddr_in for structure sin_len so we can set
114     it properly.
115     * index_dir.c (which ends up in boa_indexer) can now be compiled
116     with USE_LOCALTIME, and if so, it will report the local time
117     using the timezone name. Otherwise it uses UTC time and UTC
118     timezone designation.
119     * fix buglet in mmap_cache.c which shows up when under
120     heavy load by many different files.
121     Found and squashed by Michal Kara
122     * normalize paths on Aliases, log files, server root, dirmaker
123     This makes sure that paths are 'absolute'
124     * don't generate DOCUMENT_ROOT or SERVER_ROOT,
125     CGIs have no business knowing that information
126     * if CGI, chdir to the cgi's root path
127     Bug found by Matt Callaway
128     * remove ChrootPath and PidFile directives from the parser
129     (they aren't used anyway)
130     * keep track of maximum file descriptor in use to optimize call
131     to select()
132     * apply IPv6 patch from Jari Korva
133     * optimize keep-alive copy data routine
134     * try to use memcpy instead of strcpy/strcat in more places (alias.c)
135     * update .depend file
136     * use fcntl + GET_FL to get a file descriptor's flags, then
137     add or remove only the bits we want to set. This prevents
138     accidentally setting or unsettings bits we don't have anything
139     to do with inadvertantly. (removed, at least temporarily.
140     Show me a system where it is needed -- LRD)
141     * make sure to call FD_ZERO when we handle a restart
142     * in read.c, don't call boa_perror on read failure -- socket is
143     dead or messed up anyway, no reason to try to write to it.
144     * explicit .SUFFIXES in Makefile.in
145     * boa.objdump target added
146     * use @MAKE_SET@ (for when $(MAKE) != "make")
147     * add -Wundef -Wwrite-strings -Wredundant-decls -Winline to GCC_FLAGS
148     * change Paul Phillips' and Larry Doolittle's emails in source
149     * add --disable-debug, --enable-profile, --with-dmalloc, and --with-efence
150     * test for failed-but-return-was-successful setuid:
151     http://www.securityfocus.com/bid/1322
152     * use _exit not exit in CGI child
153     * always place new keepalive request on blocked list, we can't be
154     sure of the state of the active list, and since enqueue places
155     things at the *front* of the list, it doesn't do us much good
156     to place the new request on the active list anyway.
157     * update some Copyright statements for 2002
158     * When comparing the uri to an alias, only compare if
159     the uri length is greater than or equal to the length of the alias
160     * in init_script_alias, make sure to check for document_root before
161     trying to use it
162     * script_name is now just a copy of the request, rather
163     than some complicated variation on the pathname
164     * change the way the CGI environment is handled.
165     Now, it is allocated at request allocation time, and exists
166     throughout the life of the structure.
167     * check memory allocations, etc.. when creating the static
168     CGI environment and when making new CGI environment variables
169     * wait until process_option_end to call unescape_uri, clean_pathname,
170     and translate_uri
171     * remove debian package information
172     * move RedHat packaging information to contrib
173     * remove tests -- they weren't usable anyway
174     * add some new hash routines, and use djb2 (a variant on a
175     hash algorithm popularized by Dan J. Bernstein)
176     * a side-effect of the new hash routines is a bugfix,
177     involving negative return values from hash routines.
178     This has been fixed.
179     * add a routine, show_hash_stats, which is called with other
180     statistical output via sigalarm
181     * remove some duplicate prototypes from config.c
182     * make simple_itoa take an unsigned int
183     * try to make NOBLOCK handling in compat.h compatible with Solaris
184     * make sure to update current_time before calling signal handlers
185     * alter primary loop to make sure that select gets called even
186     when there are requests that are not blocking, and call fdset_update
187     and process_requests (when appropriate) after signal handlers but
188     before select to make sure that blocked requests are still handled
189     by select after a sighup. (Thanks to Karl Olsen)
190     * pull select loop into select.c
191     * poll server socket once per active connection
192     * add send_r_service_unavailable and use it when appropriate
193     * state uptime in seconds at normal program termination
194     * include sys/fcntl.h if it is found by configure
195     * fix POST bug where a content-length < 0 would cause Boa to
196     consume its full share of CPU until killed
197     Bug report by Landon Curt Noll
198     * add CGIPath configuration variable
199     based upon a patch by Landon Curt Noll
200     * add function boa_atoi, which wraps atoi, but does not
201     accept negative values. Additionally, it checks to make sure
202     the converted value and the original value are the same, avoiding
203     issues like "124.3" -> "123" and "123abc" -=> "123".
204     Either a value is an int or it isn't - no middle ground.
205     * use boa_atoi to convert content-length from client.
206     * add new #define - SINGLE_POST_LIMIT_DEFAULT, which defines
207     (in bytes) the *default* single_post_limit.
208     * single_post_limit is now in bytes.
209     * when adding aliases, only "normalize" paths that start
210     with "./" - this is a departure from previous behavior
211     * add "?" to the list of characters that it is safe to leave unescaped
212     * clean up Makefile.in of no-longer-pertinent comments
213     * add send_r_bad_gateway and use it
214     * tie stderr to either cgi_log_fd or devnullfd - either way
215     make sure stderr is a valid filehandle before cgi execution
216     * cgi_env is no longer allocated, it's part of the struct now
217     * fix bug in CgiPath logic
218     * when unable to allocate memory for an environment variable, log it
219     * add clear_common_env, which de-allocates the cgi_common_env stuff
220     [NEVER USE THIS outside of a terminal signal handler!]
221     * don't be so wasteful of memory in normalize_path
222     * adapted fix for alias expansion from Brieuc Jeunhomme
223    
224     ** Changes from 0.94.10.1 to 0.94.11
225     * use LIBS in Makefile.in (which propagates from autoconf)
226     * properly free memory allocated by scandir in index_dir.c
227     * rearrange some header files and includes
228     * on reads and writes, don't check for -1, check for < 0
229     * include fix by William Meadows
230     for escape.c which fixes segfaults due to improper allocation
231     * above fix by William Meadows no longer needed;
232     escape.c and escape.h rewritten by Larry Doolittle -- requires
233     at least 32 bit words, but is correct (jdn's 1st attempt was faulty)
234    
235     ** Changes from 0.94.10 to 0.94.10.1
236     * Actually update the SERVER_VERSION in src/defines.h
237    
238     ** Changes from 0.94.9 to 0.94.10
239     * Fixes escaping rules
240     * Fixes segfault when directory_index is undefined and
241     directory needs to be generated
242     * adds dummy signal handlers for SIGUSR1 and SIGUSR2 (Closes SF #425921)
243     * Update documentation regarding mime.types (Closes Debian #69991)
244     * Make sure documentation builds (Closes Debian #110818)
245    
246     ** Changes from 0.94.8.3 to 0.94.9
247     * src/Makefile.in updated to take CFLAGS, LIBS, and LDFLAGS
248     from autoconf
249     * Update escaping rules with latest RFC
250     * unescape_uri skips fragments and also stop parsing at '?'
251     * Don't accept fd over FD_SETSIZE in request.c:get_request
252     * use backported documentation from 0.95
253     * make sure POST fd gets closed even on client cancel
254     * use backported index_dir.c from 0.95
255     * support subdirectories in ScriptAlias directories
256     * add SinglePostLimit (int, in Kilobytes) to config system
257     * check for ENOSPC on body write
258     * use environment variable TMP (or "/tmp" if not available),
259     and chdir there when boa exits.
260     * add 1-time-only hack to make a 32kB read at the end of a request
261     on POST or PUT
262     * close unused file descriptors (/dev/null in boa.c, and the
263     unused part of the pipes call in cgi.c)
264     * made Makefile.in VPATH happy
265    
266     ** Changes from 0.94.8.2 to 0.94.8.3
267     * Move unescape_uri *before* clean_pathname to prevent
268     encoding of / and .. in pathname
269     * wrap execution of GUNZIP in cgi.c with #ifdef GUNZIP
270     * stop parsing when fragment found in URL ('#')
271    
272     ** Changes from 0.94.8.1 to 0.94.8.2
273     * close pipes[1] in child and generate HTTP_REFERER environment
274     variable in cgi.c
275     * Minor changes to the Debian package
276    
277     ** Changes from 0.94.8 to 0.94.8.1
278     * Change umask call from (umask(0600)) to (umask(~0600))
279    
280     ** Changes from 0.94.7 to 0.94.8
281     * Fix major thinko in temp file permissions
282     * unlink temporary file immediately following creation
283     * implement maximum # of active connections at 10 less than RLIMIT_NOFILE
284     to avoid or eliminate crashes resulting from running out of
285     file descriptors
286     * Fix thinko in POST
287    
288     ** Changes from 0.94.6 to 0.94.7
289     * STDIN and STDOUT are now tied to /dev/null
290     * sets PATH_MAX to 2048 if not defined (for Hurd)
291     * core dumps (should never happen) would be located in /tmp
292     * alter behavior when select gets a EBADF
293     * add translation for the \" char -> &quot;
294     * remove use of sys_errlist. Use perror.
295     * better makedist.sh (still a stupid program though)
296    
297     ** Changes from 0.94.5 to 0.94.6
298     * Removed doc++ commenting
299     * Removed erroneous debugging statments
300     * Move some stuff out of config.c (read_config_file) to boa.c
301     * Altered some of fixup_server_root()
302     * Bug fix in get.c re: automatic gunzip
303     * Added some stubs for chroot code (*not* ready yet)
304    
305     ** Changes from 0.94.4 to 0.94.5
306     * Alteration of most of the comments and such for doc++ use
307     * Fixed buffer overflow in alias.c
308     * Fixed buffer underflow in util.c
309    
310     ** Changes from 0.94.3 to 0.94.4
311     * Better escaping of data to user, both for HTTP headers and HTML body
312     * Proper escaping of output in CGI example perl scripts
313    
314     ** Changes from 0.94.0 to 0.94.2
315     * Fixed obnoxious pipeline bug
316     * Fixed (sorta) a compilation/core bug for *BSD systems
317     Original code by Thomas Neumann
318     * Moved to GPLv2
319     * Changed manpage to section 8
320     * boa.sgml now references a .png file instead of evil .gif
321    
322     ** Changes from 0.93.19.2 to 0.94.0
323     * Added UseGMT to the configuration parser
324     * util.c commonlog now logs in Apache-style commonlog time format
325     * Remove SO_SNDBUF on-start message
326    
327     ** Changes from 0.93.19 to 0.93.19.2
328     * Changed to combined log (from NCSA access_log format) ala Drew Streib
329     * Altered POST cgi code to handle bug in Netscape
330     * SO_SNDBUF changes by Larry
331    
332     ** Changes from 0.93.17.2 to 0.93.19 (all 0.93.18.x changes inclusive)
333     * Update of some copyright statements for 99
334     * Replacement of sprintf with strlen/memcpy or strcpy/strcat
335     wherever possible
336     * Significant rearrangement in alias.c, minor functional differences
337     (some CGI environment variables handled differently)
338     * Removal of die function. Replace with log_err_mesg and exit.
339     * initial IPv6 stubs and support
340     * Move #include "config.h" to top of boa.h where it will do some good
341     * Stubs and functions for strstr and strdup
342     * Seperation of buffer code into it's own file
343     * Significant changes to cgi.c et al (cgi_header.c, etc...)
344     * Speed patches by removal of "extra" calls to time(): Use global variable!
345     * pipelining changes... it works now.
346     * require content-length from clients (ala rfc1945)
347     * alter body_read and body_write to work more efficiently with known content-length
348     * move read(2) part to *after* parsing...
349     * added support for additional header message in send_redirect_temp
350     * change use of NO_ZERO_FILL_LENGTH to offsetof() use
351     * Remove SO_REUSEADDR setting on each client socket, Paul Saab
352     * Avoid SO_SNDBUF setting if possible
353     * Large quantities of otherwise not-insignificant changes
354    
355     ** Changes from 0.93.17.2 to 0.93.17.3
356     * Put on-the-fly directories back in, stripped down from the 0.92 version
357     * Fixed DocumentRoot, ServerAdmin and ServerName null-value handling in
358     CGI environment generation
359     * Fixed argument order in Script* directives (bug introduced in 0.93.17.2)
360     * Got rid of MAX_CGI_VARS because it was not being used consistently, or
361     for that matter, at all, really.
362     * Added some more FASCIST_LOGGING to cgi.c
363     * Minor mmap patch by LRD for request.c
364    
365     ** Changes from 0.93.17.1 to 0.93.17.2
366     * Added "Listen" directive for server bind address, as most recently
367     suggested by David N. Welton
368     * Put virtualhost feature in, was experimental in 0.92q
369    
370     ** Changes from 0.93.16.2 to 0.93.17.1
371     * New config file parser (supposed to be more maintainable) (LRD)
372     * Support for "|command" and ":host:port" syntax for logfiles (untested) (LRD)
373    
374     ** Changes for the 0.93 version **
375     * Huge quantities of changes
376     * keepalive Bugfix in 0.93.16.2 by Jon Nelson
377     report by Craig Silverstein of Google fame.
378     * patch for config.h by Craig Silverstein
379     * fixed "Parent Directory" problem in boa_indexer for title "/"
380     (Debian bug #36165)
381     * More Craig Silverstein
382     modifications, namely:
383     ErrorLog (if omitted, print to stderr)
384     DocumentRoot (if omitted, can only server user-dir files)
385     DirectoryIndex (if omitted, always use DirectoryMaker)
386     MimeTypes (if omitted, don't load -- users can use AddType instead)
387    
388    
389     ** Changes from v0.92o to v0.92p **
390    
391     * Documented misbehavior of CGI, SIGHUP, short aliases, stale dircache.
392     * Documented how to patch signals.c for use on SunOS.
393     * Closed file descriptor leak when redirecting a bare directory URL to
394     one with an appended "/".
395     * Closed potential file descriptor leak if errors encountered generating
396     on-the-fly index.
397     * Cleaned up include file handling to be simultaneously compatible with
398     Linux, SunOS, HP-UX, and AIX.
399     * Supress message body for codes 302, 400, 403, 404, 500, and 501 if
400     incoming request is "HEAD".
401    
402     ** Changes from v0.91 to v0.92o **
403     (0.92o released 27 December, 1996)
404    
405     * Maintenance handover from Paul Phillips to Larry Doolittle
406     * Changed (char)NULL to '\0'
407     * Cleaned up signal handler prototypes in signals.c
408     * Modified handling of CGI environment variable PATH_TRANSLATED,
409     should now work the same as NCSA.
410     * More conservative buffer size in add_cgi_env()
411     * Build argv list for a CGI script according to spec
412     * Speedup process_header_line, eliminate potential memory leak
413     * Occasional spelling fixes and lint removal
414     * Added REMOTE_PORT env var for CGI scripts, to allow easy ident lookups
415     * Changed rfc822 time format
416     * Log timeouts and broken connections
417     * Fix mime suffix handling for filenames with multiple "."s
418     * Initialize conn->time_last, fixes bug with rapid-fire connections
419     * Performance tweak to req_write()
420     * Changed http_version from float to char[8]
421     * Rewrote on-the-fly directory generation; it works now
422     * Added user configurable dircache directory in boa.conf
423     * Fixed "simple" response bugs, including incorrect CGI handling
424     * Keepalive (HTTP/1.1 draft) support, mostly by Jon Nelson
425     * Close data_fd in 304 Not Modified flow of control
426     * Switch socket flags to non-blocking before cgi handoff
427     * Try to handle errno properly in the face of multiple errors
428     * Close fd's of all other transactions before cgi handoff
429     * Move real work for sighup and sigchld out of signal handler
430     * Fix free(req->cgi_env) in request.c
431     * Response message cleanup - better match to HTML-2.0 DTD
432     * Experimental Virtual Host code from Russ Nelson
433     * Expand buffer for escaped URI in init_get()
434     * SIGTERM triggers lame duck mode until all pending transactions complete
435     * Close and unlink temp file for POST in parent process
436    
437     ** Changes from v0.90 to v0.91 **
438    
439     * Cleaned up main while loop
440     * Optimized request line parsing
441     * Added state machine for header reads -- necessary to deal wtih
442     possibility of obtaining header data in multiple reads. This
443     also allows interactive use of server.
444     * Added 500/501 return codes for various conditions
445    
446     ** v0.90 **
447    
448     * Initial release
449    

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