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736 Commits

Author SHA1 Message Date
Roger Dingledine
86263acf95 Security bugfixes: 
When the user sends a NEWNYM signal, clear the client-side DNS
  cache too. Otherwise we continue to act on previous information.


svn:r8679
 2006-10-09 21:11:50 +00:00
Roger Dingledine
81dd9720f2 whitespace tweaks 
svn:r8677
 2006-10-09 20:54:51 +00:00
Nick Mathewson
829bf4dcd0 r8970@totoro: nickm | 2006-10-09 10:12:53 -0400 
Win32 patch from Matt Edman: fix compilation bugs by casting to int; defining SSIZE_T; defining USE_TWOS_COMPLEMENT in windows orconfig.h; and using the proper names for win32 functions on GetProcAddress. Also fixes bug 295.


svn:r8669
 2006-10-09 15:46:21 +00:00
Roger Dingledine
538c54e376 try dirport reachability testing five times less often. 
it's already so darn thorough per test -- it chews through
like four circuits before giving up.


svn:r8646
 2006-10-08 06:33:02 +00:00
Nick Mathewson
1c01797c16 r8932@totoro: nickm | 2006-10-07 20:29:03 -0400 
Try to make mingw capable of producing a working tor binary for win98: make all NT-service-related functions get lazy-loaded on demand.  I have no idea if this even compiles.


svn:r8643
 2006-10-08 00:33:35 +00:00
Roger Dingledine
1d4bd3990f fetch all the v1 directory stuff way less often. plus, move 
around some housecleaning calls so they still occur often.
are some of these redundant or in the wrong order? there are
so many of them, maybe they should be put into a separate
function that has better documentation.


svn:r8607
 2006-10-06 09:04:11 +00:00
Nick Mathewson
7d366f61cb r9025@Kushana: nickm | 2006-09-29 18:33:13 -0400 
Differentiate more duplicated log entries


svn:r8542
 2006-09-29 22:33:40 +00:00
Nick Mathewson
95132f836a r8750@totoro: nickm | 2006-09-27 20:52:01 -0400 
Fix some warnings on mingw; hopefully this should let us build on mingw without warnings.


svn:r8509
 2006-09-28 00:53:02 +00:00
Nick Mathewson
01f9e97d43 Minor fix: add code to eventdns so it can free memory on shutdown. This should help valgrind and dmalloc freak out less. 
svn:r8503
 2006-09-25 20:38:58 +00:00
Nick Mathewson
52e179b942 Trivial fix to make dmalloc happier: release memory held in static member of escaped(). 
svn:r8502
 2006-09-25 18:46:29 +00:00
Nick Mathewson
7c21dabef1 r8878@Kushana: nickm | 2006-09-21 17:15:47 -0400 
Trivial whitespace cleanups.


svn:r8443
 2006-09-21 21:48:55 +00:00
Nick Mathewson
e4a9b4de4e r8875@Kushana: nickm | 2006-09-21 16:46:28 -0400 
Resolve bug 330: detect ISPs that want to hijack failing DNS requests and basically domain-squat the entire internet.


svn:r8440
 2006-09-21 21:48:22 +00:00
Nick Mathewson
65974f82fa r8839@Kushana: nickm | 2006-09-17 16:11:59 -0400 
Add some client performance XXXXs; try to move some common case tests higher on their decision trees.


svn:r8410
 2006-09-17 20:12:10 +00:00
Roger Dingledine
c22dc94fe6 make my bandwidth exercises actually happen 
svn:r8400
 2006-09-15 05:53:00 +00:00
Peter Palfrader
9d9e31dcf4 r9752@danube: weasel | 2006-09-14 07:06:49 +0200 
Fix some dead code that is on occasion useful


svn:r8389
 2006-09-14 05:07:26 +00:00
Peter Palfrader
984e8f6efb r9736@danube: weasel | 2006-09-14 05:53:06 +0200 
Refactor dirserv_parse_fingerprint_file(fname) into dirserv_load_fingerprint_file():
 There is not need to put together the path to the approved-routers file in more than one place.


svn:r8386
 2006-09-14 04:53:23 +00:00
Mike Chiussi
6ec9c1092a - made configure check if we are building for win32 
- made configure link to required system dll's if building for win32
- added diffs for libevent 1.1b
- forced user to turn off eventdns if win32 is set 
- cleaned up tor_mmap_file()_win32 (not sure if it's stable)
- cleaned up some warnings and typos




svn:r8322
 2006-09-06 01:49:55 +00:00
Roger Dingledine
2499d1db7c and make the comment better, while i'm at it 
svn:r8273
 2006-08-28 19:02:57 +00:00
Roger Dingledine
2a4d5782ef an even better check -- now servers hang up if they can't write 
for a while, and clients hang up if they can't read for a while.


svn:r8272
 2006-08-28 19:00:17 +00:00
Roger Dingledine
f75ef94f27 fix bug found by Adam J. Richter: directory clients shouldn't 
hang up five minutes after they begin. but directory servers
should still hang up after 5 minutes of failing to deliver
any bytes.


svn:r8271
 2006-08-28 18:51:36 +00:00
Nick Mathewson
54ca0387a5 r8608@Kushana: nickm | 2006-08-27 16:57:47 -0400 
Make it possible to change nameserver options while Tor is running.


svn:r8255
 2006-08-28 03:15:55 +00:00
Roger Dingledine
24ad1e06cf i'm guessing nick meant to check the return value of dns_init. 
and revise some log severities to match the convention.


svn:r8234
 2006-08-27 01:41:08 +00:00
Roger Dingledine
9ebaf01096 clean up logging conventions in do_list_fingerprint() 
svn:r8222
 2006-08-24 00:54:18 +00:00
Roger Dingledine
41d8d77c8b tor --verify-config now exits with -1(255) or 0 depending on whether 
the config options are bad or good.


svn:r8221
 2006-08-23 23:45:03 +00:00
Nick Mathewson
0f5bfc1521 r7411@Kushana: nickm | 2006-08-17 19:00:25 -0400 
patch suggested by Karsten Loesing: respond to SIGNAL command before we execute the signal, in case the signal shuts us down.


svn:r7072
 2006-08-17 23:00:32 +00:00
Roger Dingledine
5647e5c7e6 fix typo, add explanatory comment 
svn:r7026
 2006-08-11 07:31:16 +00:00
Nick Mathewson
09a895e222 r7324@Kushana: nickm | 2006-08-10 23:23:15 -0700 
Add more warnings to the list of those we tolerate. Start using GCC attributes more, for better error checking and better code generation.


svn:r7020
 2006-08-11 07:09:17 +00:00
Nick Mathewson
85f381153b r6949@Kushana: nickm | 2006-07-28 10:17:38 -0400 
Shave another 8 bytes from connection_t: turn inbuf_reached_eof into a bit, and lower timestamp_lastempty to or_connection_t


svn:r6934
 2006-07-28 15:11:20 +00:00
Nick Mathewson
5227395aba r6922@Kushana: nickm | 2006-07-26 16:32:24 -0400 
Rename some fields, compress a bitfield, and document some structs and fields


svn:r6919
 2006-07-27 05:03:57 +00:00
Nick Mathewson
ec82db6995 r6909@Kushana: nickm | 2006-07-26 13:05:58 -0400 
Clean up wide lines from last patch.


svn:r6907
 2006-07-26 19:07:37 +00:00
Nick Mathewson
4ff4577beb r6908@Kushana: nickm | 2006-07-26 12:38:52 -0400 
Refactor connection_t into edge, or, dir, control, and base subtypes.  This might save some RAM on busy exit servers, but really matters most in terms of correctness.


svn:r6906
 2006-07-26 19:07:26 +00:00
Roger Dingledine
c9b8458f59 publish a new descriptor after we hup. this is important if our 
config has changed such that we'll want to start advertising our
dirport now, etc.


svn:r6819
 2006-07-23 11:50:03 +00:00
Roger Dingledine
00aefaab6b think harder about my logic 
svn:r6806
 2006-07-22 07:19:11 +00:00
Roger Dingledine
2d6a4d283b i lied, that won't work at all. maybe this will. 
svn:r6805
 2006-07-22 07:15:34 +00:00
Roger Dingledine
444f096d2d more bulletproof reachability testing 
svn:r6804
 2006-07-22 05:29:31 +00:00
Roger Dingledine
2249180b60 bugfix: if you find yourself reachable, then don't ever make any client 
requests (so you stop predicting circuits), then hup, then later your
IP changes, you won't think circuits are working so you won't try to
test reachability, so you won't publish.


svn:r6800
 2006-07-21 07:55:35 +00:00
Nick Mathewson
7fcb267e24 Oh. And apparently, msvc6 doesnt think very much of doing u64-and-double arithmetic either. 
svn:r6785
 2006-07-18 02:24:01 +00:00
Roger Dingledine
42e2057d67 fix some more places where we shouldn't crash if we can't build 
our own descriptor yet.


svn:r6775
 2006-07-17 06:54:28 +00:00
Nick Mathewson
e572d5990c MSVC6 is apparently terrified of unnatural cross-breeding between uint64_t and double, and needs more persuasion than usual to cast one to the other. Issue identified by Frediano Ziglio; patch revised for minimal impact on non-MSVC6 compilers. 
svn:r6768
 2006-07-17 00:39:05 +00:00
Roger Dingledine
05d0b70573 Get rid of the router_retry_connections notion. Now routers no longer 
try to rebuild long-term connections to directory authorities, and
directory authorities no longer try to rebuild long-term connections to
all servers.

We still don't hang up connections in these two cases though -- we need
to look at it more carefully to avoid flapping, and we likely need to
wait til 0.1.1.x is obsolete.


svn:r6712
 2006-07-04 03:31:27 +00:00
Roger Dingledine
4e4cc9aa27 lower the number of seconds before we yell about clock jump. 
and make the yelling only happen if you're a server.


svn:r6625
 2006-06-15 09:03:15 +00:00
Roger Dingledine
0bfef523df simplify the tortls api: we only support being a "server", that 
is, even tor clients do the same sort of handshake.

this has been true for years, so it's best to get rid of the
stale code.


svn:r6557
 2006-06-07 06:10:54 +00:00
Nick Mathewson
853e2d99b6 Add a new warning to our "warn a lot" list: unused parameters. This means we have to explicitly "use" unuseds, but it can catch bugs. (It caught two coding mistakes so far.) 
svn:r6532
 2006-06-04 22:42:13 +00:00
Roger Dingledine
48be472e4f clean up a comment 
svn:r6508
 2006-05-28 16:07:44 +00:00
Roger Dingledine
27624a3024 stop telling people that "tor -h" will help them in any way. 
svn:r6447
 2006-05-08 04:28:49 +00:00
Roger Dingledine
3c86402cc2 petty cleanups 
svn:r6421
 2006-04-25 07:00:04 +00:00
Roger Dingledine
07ff409876 no need to escape the address for our connections -- they are 
always IP addresses.


svn:r6389
 2006-04-16 22:34:00 +00:00
Peter Palfrader
beb9e0721a Stop assuming every authority is a v1 authority 
svn:r6377
 2006-04-10 21:29:29 +00:00
Roger Dingledine
12d461a245 make DirFetchPeriod and StatusFetchPeriod truly obsolete. 
svn:r6373
 2006-04-10 20:16:46 +00:00
Roger Dingledine
6f08d121d9 Refactor and consolidate addr/exit policies into a new policies.c. 
Fix some minor bugs and memory leaks along the way.


svn:r6246
 2006-03-27 02:25:34 +00:00
Roger Dingledine
51a3981d10 stop caching the v1 directory so often. 
svn:r6226
 2006-03-22 06:18:27 +00:00
Roger Dingledine
1db263ac3c stop writing the "router.desc" file, ever. nothing uses it anymore. 
svn:r6224
 2006-03-22 03:45:17 +00:00
Roger Dingledine
a3329036a8 Bugfix: looks like clients since 0.1.1.10-alpha have been 
expiring connections whenever 5 minutes pass and they *do*
have circuits on them.


svn:r6213
 2006-03-21 21:58:00 +00:00
Roger Dingledine
d1d0813cf3 Allow non-printable characters for exit streams (both for 
connecting and for resolving). Now we tolerate applications
that don't follow the RFCs. But continue to block malformed
names at the socks side.


svn:r6193
 2006-03-19 03:55:48 +00:00
Roger Dingledine
903183ea28 if we as a directory mirror don't know of any v1 directory 
authorities, then don't try to cache any v1 directories.


svn:r6162
 2006-03-15 00:10:13 +00:00
Roger Dingledine
499eeced44 when event_add or event_del fail, tell us why. 
svn:r6156
 2006-03-13 19:33:46 +00:00
Nick Mathewson
bd8ffccae7 More cleanups noticed by weasel; also, remove macros that nobody uses. 
svn:r6143
 2006-03-12 23:31:16 +00:00
Nick Mathewson
474c60b743 Cleanup on time-relaqted constants. New conventions: 
1) Surround all constants by (parens), whether we'll be using them
     in a denominator or not.
  2) Express all time periods as products (24*60*60), not as multiplied-out
     constants (86400).
  3) Comments like "(60*60) /* one hour */" are as pointless as comments
     like "c = a + b; /* set c to the sum of a and b */".  Remove them.
  4) All time periods should be #defined constants, not given inline.
  5) All time periods should have doxygen comments.
  6) All time periods, unless specified, are in seconds.  It's not necessary
     to say so.

To summarize, the old (lack of) style would allow:

  #define FOO_RETRY_INTERVAL 60*60 /* one hour (seconds) */
  next_try = now + 3600;

The new style is:

  /** How often do we reattempt foo? */
  #define FOO_RETRY_INTERVAL (60*60)

  next_try = now + RETRY_INTERVAL;


svn:r6142
 2006-03-12 22:48:18 +00:00
Roger Dingledine
ef447507ff a better clean-up 
svn:r6139
 2006-03-12 20:51:02 +00:00
Roger Dingledine
a98b25137c and another fix 
svn:r6138
 2006-03-12 20:48:59 +00:00
Roger Dingledine
e11f900a2a stop printing a log message at every iteration through the 
event loop when holding open a conn for flushing but it
doesn't want to flush any more bytes yet.


svn:r6114
 2006-03-09 06:34:33 +00:00
Roger Dingledine
44107f6ec4 Implement NEWNYM. Nick, did I do a bad thing? 
svn:r6105
 2006-03-09 00:18:16 +00:00
Roger Dingledine
0f39033b9f clean up typo 
svn:r6103
 2006-03-09 00:10:28 +00:00
Peter Palfrader
0bab094d5d Explain why we only expire open connections 
svn:r6015
 2006-02-14 17:30:04 +00:00
Peter Palfrader
84295f9f43 Do not mark connections obsolete before they have done their TLS handshake or are at least 60 seconds old 
svn:r6013
 2006-02-14 04:23:05 +00:00
Roger Dingledine
aa63a84fe1 the things we do for our windows users. 
i hope they appreciate it.


svn:r6004
 2006-02-13 09:37:53 +00:00
Roger Dingledine
5f051574d5 Happy new year! 
svn:r5949
 2006-02-09 05:46:49 +00:00
Roger Dingledine
fd0fcdf17c stop calling it a "libevent poll" -- the word "poll" has 
other meaning in this context that are confusing.


svn:r5936
 2006-02-09 03:09:52 +00:00
Roger Dingledine
555a64e06d as soon as we've fetched some more directory info, that's time 
to think about downloading more server descriptors. this way
we don't have a 10 second pause in initial bootstrapping.


svn:r5916
 2006-02-05 03:42:34 +00:00
Roger Dingledine
a53a73a782 forward-port the part where ordinary users try to fetch directories 
less often. not critical but might as well stay in sync with stable.


svn:r5910
 2006-02-05 01:57:07 +00:00
Roger Dingledine
686508a04a don't try to upload hidden service descriptors until we have 
established a circuit.


svn:r5884
 2006-02-01 02:19:46 +00:00
Roger Dingledine
8fc44169e5 only start testing reachability once we've established a circuit. 
this will make startup on dirservers less noisy.
it may also break things in subtle ways.


svn:r5878
 2006-01-29 01:11:41 +00:00
Roger Dingledine
35f91db15f a slightly more useful message when you get a sighup 
svn:r5869
 2006-01-26 19:11:06 +00:00
Roger Dingledine
de13ddd26f Stop complaining loudly whenever some poor client falls off 
the network before we finish writing to him.


svn:r5850
 2006-01-23 09:23:04 +00:00
Roger Dingledine
54a7285e99 oh hey. we were hanging up on every tor client because he 
was obsolete as soon as he started. big oops.


svn:r5807
 2006-01-11 22:34:07 +00:00
Nick Mathewson
8907391ad6 Fix wide lines 
svn:r5793
 2006-01-11 04:04:42 +00:00
Roger Dingledine
7d1f675c85 entry nodes are now entry guards. 
this is our last easy chance for a wholesale change. heave ho.


svn:r5782
 2006-01-10 22:42:44 +00:00
Roger Dingledine
c8e6003412 balance the reachability testing so a smidgen of it happens 
every 10 seconds. this way we don't try to do 500 tls's at
once every 20 minutes.


svn:r5763
 2006-01-10 07:21:01 +00:00
Roger Dingledine
1dd8ebf615 bugfix: we were leaving open duplicate connections to other ORs 
for a week, rather than closing them once we detect a duplicate.

also, avoid some duplicate mark-for-closes in connection-housekeeping.


svn:r5752
 2006-01-07 03:56:56 +00:00
Roger Dingledine
af54b73985 and get the log arguments right 
svn:r5747
 2006-01-07 01:43:09 +00:00
Roger Dingledine
ba339b8a4d a more correct log message 
svn:r5746
 2006-01-07 01:41:17 +00:00
Roger Dingledine
e9e7dc176c Some tor servers process billions of cells in a matter of days. 
These statistics need to be uint64_t's.


svn:r5686
 2005-12-31 08:09:26 +00:00
Roger Dingledine
dbd7b97eff helper nodes are dead. long live entry nodes. 
(config options EntryNodes and StrictEntryNodes still not
implemented.)


svn:r5673
 2005-12-28 09:07:31 +00:00
Nick Mathewson
d94b9fd7d2 normalize spaces 
svn:r5658
 2005-12-27 04:52:34 +00:00
Peter Palfrader
4bd65f0f98 Keep bandwidth history accross restarts/crashes 
svn:r5637
 2005-12-23 23:56:42 +00:00
Nick Mathewson
6b5fc9d46f Instead of "Network down", say "Is your network connection down?" 
svn:r5607
 2005-12-15 22:10:03 +00:00
Nick Mathewson
ce71b17224 Clean fake_status a bit. Switch from has_fetched_directory to have_minimum_dir_info, and make the latter function smarter. 
svn:r5591
 2005-12-15 20:44:15 +00:00
Nick Mathewson
1af630d32c Bite the bullet and limit all our source lines to 80 characters, the way IBM intended. 
svn:r5582
 2005-12-14 20:40:40 +00:00
Roger Dingledine
58366ffd24 when we changed from log_fn to debug/info/notice/warn/err, 
we screwed up the formatting in wild and unpredictable ways.

fix it before it becomes convention to format logs in wild and
unpredictable ways.

still need to do src/common/ someday.


svn:r5551
 2005-12-10 09:36:26 +00:00
Nick Mathewson
39265dd72e In my private little universe, terminals are still 80 columns. Impose a 160-character-per-line limit; this will creep down. 
svn:r5548
 2005-12-09 05:37:26 +00:00
Roger Dingledine
8730190914 when we're checking reachability, make it clearer in the logs 
what to expect.


svn:r5538
 2005-12-08 21:12:47 +00:00
Nick Mathewson
77a494dd55 Expunge remaining places where we used "tree" to mean "associative array". 
svn:r5490
 2005-12-03 02:21:31 +00:00
Nick Mathewson
a6eb8cd2a0 Move connection_or_remove_from_identity_map() to connection_unlink, but dont remove the other; just make it warn. 
svn:r5470
 2005-11-30 04:28:41 +00:00
Roger Dingledine
f94f4c1686 when event_add or event_del fail, tell us why. 
(nick, do i have my libevent strerror dance moves correct?)


svn:r5462
 2005-11-26 09:37:00 +00:00
Nick Mathewson
652e1899ac "How about 'never'? Does 'never' work for you?" 
Weasel says circuit_get_by_conn is his main timesink.  Most of its
users were just checking whether OR conns had circuits, so add a
circuit count to OR conns, and check that. One was
circuit_about_to_close_conn, which was doing an O(n^2) series of calls
to get all circs on an OR conn, so make an O(n) function for that.
Finally, circuit_get_by_edge_conn was using it as a sanity test that
has been around for a while but never found any actualy insanity, so
kill that.

circuit_get_by_conn is finally dead, which is good, since it was never
sane to begin with.


svn:r5460
 2005-11-26 01:43:57 +00:00
Nick Mathewson
fbf8a8c25f Dump bytes held to store descriptors. 
svn:r5443
 2005-11-23 06:00:58 +00:00
Roger Dingledine
7aae63994f Recover better from TCP connections to Tor servers that are broken but 
don't tell you (it happens!); and rotate TLS connections once a week.

1) If an OR conn becomes more than a week old, make it obsolete.
2) If it's obsolete and empty, kill it.
3) When an OR makes a second connection to you, allow it.
4) If we want to send a new create cell, but the best conn we've
   got is obsolete, and the router is 0.1.1.9-alpha-cvs or later, ask
   for a new conn instead.
5) When we time out on circuit building on the first hop, make that
   connection obsolete.


svn:r5429
 2005-11-19 06:57:44 +00:00
Peter Palfrader
6734371234 15*60 is 15 minutes, not 5 
svn:r5424
 2005-11-18 21:57:49 +00:00
Peter Palfrader
901712ee59 Remove ip address change flapping detection. It is not really needed and I do not think it works quite right. 
svn:r5423
 2005-11-18 19:28:34 +00:00
Nick Mathewson
9b432311c4 Make new logging stuff work on windows; fix a couple of windows typos. 
svn:r5375
 2005-11-15 03:05:23 +00:00