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624 Commits

Author SHA1 Message Date
Roger Dingledine
d2400a5afd Introduce a notion of 'internal' circs, which are chosen without regard 
to the exit policy of the last hop. Intro and rendezvous circs must
be internal circs, to avoid leaking information. Resolve and connect
streams can use internal circs if they want.

New circuit pooling algorithm: make sure to have enough circs around
to satisfy any predicted ports, and also make sure to have 2 internal
circs around if we've required internal circs lately (with high uptime
if we've seen that lately).

Split NewCircuitPeriod config option into NewCircuitPeriod (30 secs),
which describes how often we retry making new circuits if current ones
are dirty, and MaxCircuitDirtiness (10 mins), which describes how long
we're willing to make use of an already-dirty circuit.

Once rendezvous circuits are established, keep using the same circuit as
long as you attach a new stream to it at least every 10 minutes. (So web
browsing doesn't require you to build new rend circs every 30 seconds.)

Cannibalize GENERAL circs to be C_REND, C_INTRO, S_INTRO, and S_REND
circ as necessary, if there are any completed ones lying around when
we try to launch one.

Re-instate the ifdef's to use version-0 style introduce cells, since
there was yet another bug in handling version-1 style. We'll try switching
over again after 0.0.9 is obsolete.

Bugfix: when choosing an exit node for a new non-internal circ, don't take
into account whether it'll be useful for any pending x.onion addresses --
it won't.

Bugfix: we weren't actually publishing the hidden service descriptor when
it became dirty. So we only published it every 20 minutes or so, which
means when you first start your Tor, the hidden service will seem broken.


svn:r3360
 2005-01-17 18:13:09 +00:00
Nick Mathewson
a38bccdca7 Move call to event_init() immediately after start_daemon(); move start_daemon earlier. This should fix using libevent with RunAsDaemon. 
svn:r3354
 2005-01-13 21:32:08 +00:00
Roger Dingledine
abea142665 more cleanup 
svn:r3347
 2005-01-12 12:22:25 +00:00
Roger Dingledine
24a97d2c55 fix up some comments 
svn:r3345
 2005-01-12 12:18:46 +00:00
Roger Dingledine
3809c0ab91 tolerate bandwidtch buckets going negative (i hope) 
svn:r3344
 2005-01-12 10:00:38 +00:00
Nick Mathewson
324b192f68 Make Tor use Niels Provos's libevent instead of it's current 
poll-but-sometimes-select mess.  This will let us use faster async cores
(like epoll, kpoll, and /dev/poll), and hopefully work better on Windows
too.

There are some fairly nasty changes to main.c here; this will almost
certainly break something.  But hey, that's what alphas are for.


svn:r3341
 2005-01-12 06:42:32 +00:00
Roger Dingledine
70b3208f0a if somebody starts his tor server in jan 2004 and then fixes his 
clock, don't make his published uptime be a year.


svn:r3337
 2005-01-11 11:54:11 +00:00
Roger Dingledine
4b6d55afdf separate time_of_process_start from stats_n_seconds_uptime: 
now we reset uptime when a dir fetch entirely fails. this
hopefully has something to do with stability of being on the
network.


svn:r3333
 2005-01-10 05:10:22 +00:00
Roger Dingledine
3370f53010 it helps to use the correct name for the struct 
svn:r3331
 2005-01-10 04:32:59 +00:00
Roger Dingledine
10a81ccf18 when pruning circuit-wait streams when a dir fetch failed, 
refer in logs to the destination address, not the address of the
application connection.


svn:r3330
 2005-01-10 02:47:50 +00:00
Roger Dingledine
f468ff04ea when we haven't fetched a directory yet, or the last time we 
tried they were all unreachable, assume we are not connected to
the network.

when an application request comes in during this state, be
optimistic and assume we just reconnected. fetch a new directory
and if it works, begin making circuits.


svn:r3327
 2005-01-07 15:57:57 +00:00
Roger Dingledine
f8b517fa97 finish marking my comment in main.c 
svn:r3318
 2005-01-06 19:20:54 +00:00
Roger Dingledine
1f51809e65 clean up string printing in relay logs 
svn:r3317
 2005-01-06 19:19:13 +00:00
Nick Mathewson
dcd228585d Implement SIGNAL control command. 
svn:r3307
 2005-01-05 06:40:47 +00:00
Nick Mathewson
0c4186d6ee Use correct logic to decide whether there are more directory servers to retry. 
svn:r3257
 2005-01-03 20:51:24 +00:00
Roger Dingledine
e1ac30c2bb stop calling assert_connection_ok(conn, time(NULL)) on every single 
conn on every single loop.


svn:r3229
 2004-12-25 06:43:40 +00:00
Roger Dingledine
288f2ed59e stop telling win32 folks they have a bug just because we haven't finished 
making tor work on win32 yet.


svn:r3227
 2004-12-25 06:42:15 +00:00
Roger Dingledine
cf17d0d29c move network_init from or/main to common/compat 
call network_init in tor-resolve.c too
move tor_lookup_hostname from common/util to common/compat


svn:r3203
 2004-12-22 05:29:06 +00:00
Roger Dingledine
036384fd8e respond to an 009 XXX 
svn:r3201
 2004-12-22 02:55:26 +00:00
Nick Mathewson
e327b2f3a6 Clarify confusing message 
svn:r3151
 2004-12-16 05:23:48 +00:00
Roger Dingledine
a8582ae223 note a future thing we should do 
svn:r3141
 2004-12-13 01:30:41 +00:00
Roger Dingledine
011ad3cba5 clean up logging, 
make it clearer which warns are bugs,
make the control log event match its specification,
point out a bug in how we deal with failure when renewing the tls context.


svn:r3138
 2004-12-13 00:44:39 +00:00
Nick Mathewson
972124aab9 Only launch dns workers when we are actually starting a server. 
svn:r3137
 2004-12-13 00:09:00 +00:00
Roger Dingledine
29a8e80326 log bytes written with kill -USR1 too 
svn:r3112
 2004-12-07 16:50:47 +00:00
Roger Dingledine
41b809d2aa salvage another 300 bytes per hup 
svn:r3106
 2004-12-07 09:11:38 +00:00
Nick Mathewson
ac759adb43 Make unit tests work on win32 
svn:r3094
 2004-12-07 05:31:38 +00:00
Nick Mathewson
b457cfb5eb Spell-check strings and comments 
svn:r3052
 2004-12-01 03:48:14 +00:00
Roger Dingledine
bde1d5bfb2 do even less inside our signal handler, 
just to be extra paranoidly safe


svn:r3050
 2004-12-01 02:54:13 +00:00
Roger Dingledine
1d4af1930c Let resolve conns retry/expire also, rather than sticking around forever. 
Put the check-if-requested-exitrouter-will-reject-us code in the
circuit_attach loop, so it gets checked periodically and not just
once at the beginning. This is useful in case the routerlist changes,
but also in case the address gets resolved into something that we learn
we'll reject.


svn:r3039
 2004-11-30 08:39:14 +00:00
Nick Mathewson
7fbd297532 Suggestion from weasel: Make tor --version --version dump the cvs Id of every file. 
svn:r3019
 2004-11-29 22:25:31 +00:00
Roger Dingledine
22727b4edc wrong is ok, and right is fine, but in between is apparently 
totally unacceptable to me.


svn:r3005
 2004-11-28 11:39:53 +00:00
Nick Mathewson
6f5dbefa7e Normalize space: add one between every control keyword and control clause. 
svn:r3003
 2004-11-28 09:05:49 +00:00
Nick Mathewson
f77ff938b7 remember; tor_socket_errno has side effects! 
svn:r2997
 2004-11-28 05:48:02 +00:00
Roger Dingledine
e5e45fe980 inform him more sanely 
svn:r2993
 2004-11-26 04:19:03 +00:00
Roger Dingledine
a7f92d7ffe inform the user that you noticed when he sent a USR2 
svn:r2992
 2004-11-26 04:17:57 +00:00
Roger Dingledine
f9a0ab62b7 if you want to handle -USR2, you should catch it too. 
svn:r2990
 2004-11-26 04:03:19 +00:00
Roger Dingledine
7c9a707900 remove emacs droppings, since nick says he doesn't need them anymore 
svn:r2989
 2004-11-26 04:00:55 +00:00
Nick Mathewson
f91152ce6a Clarify a bunch of log messages 
svn:r2983
 2004-11-25 04:20:10 +00:00
Roger Dingledine
090c84627c patch to nick's patch 
svn:r2969
 2004-11-24 03:58:45 +00:00
Nick Mathewson
74f74a06c6 make nt service version match actual version 
svn:r2968
 2004-11-24 00:55:39 +00:00
Roger Dingledine
57a392d8d8 initialize rephist before we init_from_config, since init_from_config 
can make us init_keys if we're going to hibernate, which makes us build
a router_desc.


svn:r2953
 2004-11-23 09:00:55 +00:00
Nick Mathewson
f17c08beed Apply NT service patch from Osamu Fujino. This still has some problems (indicated in a comment adapted from the patch submission email), but it is better than before and better than nothing. 
svn:r2938
 2004-11-22 22:10:37 +00:00
Nick Mathewson
bb18d4238f Dont keep rephist info for routers that havent had activity for 24 hours. 
svn:r2926
 2004-11-21 05:14:46 +00:00
Nick Mathewson
36f4e15e81 Call init_keys() where needed; fix hibernate bug. 
svn:r2924
 2004-11-21 04:19:04 +00:00
Roger Dingledine
a4b1eb5630 allow StrictEntryNode and StrictExitNode to be singular 
svn:r2922
 2004-11-20 23:16:03 +00:00
Roger Dingledine
6322287dc1 printfs want carriage returns 
svn:r2917
 2004-11-20 08:00:57 +00:00
Roger Dingledine
dd19cf6ba3 kill -USR2 now moves all logs to loglevel debug 
plus fix some typos


svn:r2914
 2004-11-20 07:33:55 +00:00
Roger Dingledine
2e4763655d bugfix: when our poll is interrupted, we believed the revents values. 
svn:r2907
 2004-11-17 20:26:39 +00:00
Roger Dingledine
4b76fe8036 Break DirFetchPostPeriod into: 
- DirFetchPeriod for fetching full directory,
  - StatusFetchPeriod for fetching running-routers,
  - DirPostPeriod for posting server descriptor,
  - RendPostPeriod for posting hidden service descriptors.

Also make sure the hidden service descriptors are at a random
offset from each other, to hinder linkability.


svn:r2889
 2004-11-15 09:05:54 +00:00
Nick Mathewson
c909a8a64b Only record bandwidth usage when accounting is enabled 
svn:r2886
 2004-11-15 04:48:53 +00:00
Roger Dingledine
ee591be3f2 fix a bug in configuring accounting in options_act() 
svn:r2881
 2004-11-15 04:01:31 +00:00
Nick Mathewson
5109159ff9 Fix compilation. Duh. 
svn:r2876
 2004-11-14 22:53:51 +00:00
Nick Mathewson
3e6edf20cc Resolve some hibernating-related XXXX009s. 
svn:r2875
 2004-11-14 22:21:23 +00:00
Nick Mathewson
57536f138a Fetch running-routers. 
Split logic to initiate dirfetch, running-routers fetch, and
descriptor post.  arma: There are some XXXs here that raise design
questions which we should solve before the next release.

The biggest problem is this: Right now, the directory is about 50X as
large as running-routers uncompressed, and about 36X as large
compressed.  Assuming:

    - everybody gets the compressed version of everything,

    - everybody gets cached directories from random dirservers and
      uncached r-r from authdirservers

    - everybody downloads r-r at the same rate they now download dirs,

then using r-r from will *increase* authdirserver directory bandwidth usage
if there are significantly more caches than authdirservers.

I think it's safe to leave this in for now, since there aren't 3x36 caching
dirservers, but we should make everybody with a dirport cache running-routers
soon.  But I could be wrong.


svn:r2872
 2004-11-14 21:46:40 +00:00
Roger Dingledine
846f71dcca make kill -USR1 work again 
svn:r2853
 2004-11-14 13:35:47 +00:00
Roger Dingledine
3f5c113815 clean a comment 
svn:r2844
 2004-11-14 04:55:02 +00:00
Nick Mathewson
08627d5d87 Track whether descriptor is dirty/uploaded. When any options are set, mark it dirty. Once a minute, regenerate and upload the server descriptor if it is dirty. 
svn:r2832
 2004-11-13 16:53:48 +00:00
Nick Mathewson
0b42e31fe0 Comment a confusing conditional 
svn:r2828
 2004-11-13 02:54:30 +00:00
Nick Mathewson
60880cda84 Resolve a bunch of FIXME items; mark a lot more for attention; ask for clarification on some. Turn all XXXX008 ("showstopper for 0.0.8 release") items into XXXX009 or XXXX, since plainly they were not showstoppers for 0.0.8. Add/clean some docs. 
svn:r2808
 2004-11-12 16:39:03 +00:00
Roger Dingledine
90e0ad517e dfc caught a SIGXFSZ error when his debugfile reached 2GB. 
so if they exist, catch them and ignore them.
write() will fail normally and we'll look at errno like
normal human beings.


svn:r2804
 2004-11-12 04:59:37 +00:00
Roger Dingledine
fde595feb7 when clients do --list-fingerprint, it's misleading to 
give them one, because it will never be the same again


svn:r2800
 2004-11-11 13:24:10 +00:00
Roger Dingledine
c03a3eaed0 weaken our anonymity warning a little bit more 
svn:r2771
 2004-11-10 02:58:27 +00:00
Nick Mathewson
5a5be93f80 Normalize whitespace; add a "tell me about all the unnormalized whitespace" target; fix a braino in dirserv.c 
svn:r2758
 2004-11-09 20:04:00 +00:00
Nick Mathewson
cd753df7bf Resolve many XXXs and all DOCDOCs 
svn:r2755
 2004-11-09 18:22:17 +00:00
Roger Dingledine
6a504efdd3 mark_logs_temp() before init'ing new ones. 
we were seeing double, triple, etc each time we setconf'ed.


svn:r2738
 2004-11-09 08:01:39 +00:00
Roger Dingledine
9f3e3d2b71 stop wanting to split init_keys() 
svn:r2735
 2004-11-09 07:29:05 +00:00
Roger Dingledine
6521c2ce51 Stop using the wrong DataDirectory when we're validating. 
Also validate/normalize the DataDirectory better.


svn:r2732
 2004-11-09 07:05:53 +00:00
Roger Dingledine
90b47172bd Make an options_act() where we do all the things a new options set 
needs.
Still needs more work.


svn:r2716
 2004-11-09 04:28:18 +00:00
Roger Dingledine
394554cfbf Clean up copyrights. 
Break connection_consider_empty_buckets() out of
connection_read_bucket_decrement().


svn:r2698
 2004-11-07 01:33:06 +00:00
Roger Dingledine
efad93feb4 tor --list-fingerprint as a client shouldn't try to print null 
svn:r2697
 2004-11-06 09:22:08 +00:00
Roger Dingledine
28a297ebe7 only play the accounting game if it's possible you'll choose to hibernate 
svn:r2694
 2004-11-06 06:56:28 +00:00
Roger Dingledine
6c61ed4fb5 Make options no longer a global variable. 
Now we can try setting an option but back out if it fails to parse, or
  if it's disallowed (e.g. changing RunAsDaemon from 1 to 0).
Use parse_line_from_str rather than parse_line_from_file.


svn:r2692
 2004-11-06 05:18:11 +00:00
Nick Mathewson
19868fe968 Move accounting code into hibernate; start adding logic to track bandwidth-per-seconds-active 
svn:r2680
 2004-11-04 22:33:06 +00:00
Roger Dingledine
a4753283dd better interface for connection_ap_handshake_socks_reply() 
make --list-fingerprint print the fingerprint again


svn:r2668
 2004-11-03 23:13:28 +00:00
Nick Mathewson
cea9125d71 Implement two flavors of authentication for control connections: one for trusted FS, one for untrusted FS. 
svn:r2664
 2004-11-03 19:49:03 +00:00
Nick Mathewson
451f8b5045 - Implement all of control interface except authentication, setconfig, 
and actually making the sockets.
- Make sure that identity-based nicknames start with $.
- Use new string_join interface.


svn:r2661
 2004-11-03 18:33:07 +00:00
Nick Mathewson
4fdaa5de51 Streamline the two redundant "Has the second rolled over?" checks in prepare_for_poll and connection_bucket_refill; also, generate BANDWIDTH control events 
svn:r2657
 2004-11-03 16:38:04 +00:00
Nick Mathewson
d63d420930 Fix another typo 
svn:r2651
 2004-11-03 01:31:42 +00:00
Nick Mathewson
8db0abb687 First attempt at hibernation code. It needs more work around the XXXXs, but first I want arma to review the basic approach while I meditate on how to fix them. 
svn:r2649
 2004-11-02 23:47:32 +00:00
Nick Mathewson
ad4dc74482 Use a stricter set of warnings; make them all pass. 
svn:r2645
 2004-11-02 03:02:17 +00:00
Roger Dingledine
4689243242 make sure options.MaxConn can be reached 
svn:r2638
 2004-11-01 08:24:34 +00:00
Roger Dingledine
984ffec105 implement first piece of hibernation 
still need to track bandwidth, and make decisions based on bandwidth


svn:r2630
 2004-10-31 20:28:41 +00:00
Nick Mathewson
9510d9a792 tor --list-fingerprint to print fingerprint and exit 
svn:r2627
 2004-10-30 19:18:37 +00:00
Nick Mathewson
11d330be5e Tweaks to prevent obsolete restarting tors from hammering the dirservers. (1) Cache a received directory as soon as the signature checks out. (2) Treat a cached directory as "recent" based on its mtime. (3) If we have a recent directory, we dont need to fetch a newer one for DirFetchPostPeriod. This needs review! 
svn:r2618
 2004-10-28 18:37:52 +00:00
Nick Mathewson
2fbf31533b Tricksy compiler warnings! We hates them, hates them forever, my precious! 
svn:r2615
 2004-10-27 21:14:11 +00:00
Nick Mathewson
44d4516155 Use tor_snprintf, not snprintf 
svn:r2609
 2004-10-27 06:37:34 +00:00
Nick Mathewson
bc62f8e983 Replace sprintf with snprintf 
svn:r2602
 2004-10-27 05:53:07 +00:00
Nick Mathewson
57f09573f5 Every 60 seconds, check whether the listeners are still alive, and relaunch the dead ones. 
svn:r2581
 2004-10-24 01:22:40 +00:00
Roger Dingledine
54c432bd93 pay attention to the return value of do_hup, and exit 
when it fails


svn:r2577
 2004-10-23 17:06:25 +00:00
Nick Mathewson
88cffc3c5f Use bitwise masking to turn off bits, not compare-and-subtract 
svn:r2572
 2004-10-20 23:15:49 +00:00
Roger Dingledine
97a0a43511 start the process of making 0.0.7* obsolete 
svn:r2565
 2004-10-17 21:51:20 +00:00
Roger Dingledine
de65052312 don't assert multiple things in the same tor_assert() 
svn:r2544
 2004-10-16 22:14:52 +00:00
Nick Mathewson
1c9426d6e0 Build without warnings on mac gcc 3.3 
svn:r2487
 2004-10-14 03:18:14 +00:00
Nick Mathewson
b7bddcac75 Windows requires a different cast uint64_t format 
svn:r2424
 2004-10-07 20:15:56 +00:00
Roger Dingledine
3f4b544b77 use size_t rather than int for directory lengths in memory 
this might fix a bug with amd64


svn:r2410
 2004-10-01 21:02:12 +00:00
Roger Dingledine
136d4e5739 prefer tor_free to free 
plus complain more loudly when we fail to parse a dir we just fetched


svn:r2401
 2004-09-29 06:52:36 +00:00
Roger Dingledine
6ed095b177 print the IP if a conn fails badly, to see if there are any trends 
svn:r2400
 2004-09-29 05:59:55 +00:00
Roger Dingledine
d381aa4696 Fix an evil bug: when we failed to write to our log, fputs() 
gave us a sigpipe, and we logged that we were ignoring it,
causing us to fail to log that, and delete the log entry. Then
when the signal handler exited, we proceeded to delete the log
entry that had already been deleted.

Now we make sure to only log inside our signal handler if we'll
be exit()ing right after.


svn:r2388
 2004-09-28 21:14:40 +00:00
Roger Dingledine
8727a28119 bugfix: we were starting to daemonize before we opened our logs, 
so if there were any problems opening logs, we would complain to
stderr (which wouldn't work) and then mysteriously exit.


svn:r2366
 2004-09-23 04:32:43 +00:00
Roger Dingledine
c0db9fa803 fix confusing cut-n-paste mistake 
svn:r2364
 2004-09-22 04:08:05 +00:00
Nick Mathewson
0ef85f6dba Some platforms have weird translations when you open files in "test" mode; make read/write_str_to_file aware. 
svn:r2336
 2004-09-08 07:16:34 +00:00
Nick Mathewson
c66e4c4870 Flush more changes from sandbox 
- make clients cache directories and use them to seed their router lists
   at startup.  This means clients have a datadir again.
 - Introduce a global_write_bucket.  We need to respond better to exhausting
   it.
 - Remove the last vestiges of LinkPadding and TrafficShaping.
 - Configuration infrastructure support for warning on obsolete options.
 - Refactor directory header parsing to use smartlist_split_string.
 - Respond to content-encoding headers by trying to uncompress as appropriate.
 - Reply with a deflated directory when a client asks for "dir.z".
   (We could use allow-encodings instead, but allow-encodings isn't
   specified in HTTP 1.0.)


svn:r2335
 2004-09-08 06:52:33 +00:00
Nick Mathewson
ecf414f05e Stop using separate defaults for no-config-file and empty-config-file 
svn:r2329
 2004-09-02 22:08:36 +00:00
Nick Mathewson
4b4bfd500a Improve log message to make it obvious _why_ reading the configuration has failed. 
svn:r2308
 2004-08-24 20:46:42 +00:00
Roger Dingledine
99e367f045 authdirservers don't need to be treated specially on hup for 
making intro points


svn:r2277
 2004-08-18 06:48:45 +00:00
Roger Dingledine
6e9e467b1d dirservers now don't build circuits until they have fetched a 
directory from somebody else. this means they have time to
build their connections first.


svn:r2275
 2004-08-18 06:29:58 +00:00
Nick Mathewson
e19af3fa0f We are an OR if ORPort *or* ORBindAddress is set; similarly for being an OP 
svn:r2237
 2004-08-15 20:16:26 +00:00
Roger Dingledine
cd3da3fc12 o clients choose nodes proportional to advertised bandwidth 
o and/or while avoiding unreliable nodes, depending on goals
o 'fascistfirewall' option to pick dirservers on port 80 and ORs on
  port 443.
o if a begin failed due to exit policy, but we believe the IP should                       have been allowed, switch that router to exitpolicy reject *:* until                     we get our next directory.


svn:r2231
 2004-08-15 08:15:12 +00:00
Roger Dingledine
dda2e44222 compile again on win32 (i think) 
svn:r2222
 2004-08-09 23:45:11 +00:00
Roger Dingledine
1e415817a3 minor fix 
svn:r2215
 2004-08-09 07:41:32 +00:00
Roger Dingledine
7068dd8e87 make "%llu" less likely to warn on weird platforms 
svn:r2209
 2004-08-09 05:25:19 +00:00
Roger Dingledine
05790d1722 let children survive sigint, sigterm, etc. 
this was biting us because ^c would get delivered to all of them,
maybe because they were all still listening to stdin?


svn:r2197
 2004-08-08 07:25:45 +00:00
Nick Mathewson
f6cc218742 Refactor ISO-style (yyyy-mm-dd hh:mm:ss) time parsing into util.c; rename format/parse_rfc1123_time; make rephist remember used bandwidth; published used bandwidth in descriptors in 15-minute chunks. Breaks unittests. 
svn:r2182
 2004-08-07 02:46:16 +00:00
Roger Dingledine
e95ae1c9ad let purging routerinfos and descriptors take an age argument 
svn:r2171
 2004-08-06 22:15:25 +00:00
Roger Dingledine
967a762fe1 they're uint64 and uint32, not int and int 
svn:r2152
 2004-08-06 08:40:55 +00:00
Roger Dingledine
f32e34044f list total traffic and total uptime in -usr1 stats 
svn:r2151
 2004-08-06 08:37:13 +00:00
Roger Dingledine
0c8542d889 fix rare race condition that causes infinite loop 
if we get a sigchld but all our children are gone by the time we get
around to reaping them (i don't think this should ever happen, but it
just did), then we'd loop forever trying to reap them.


svn:r2141
 2004-08-04 06:49:17 +00:00
Nick Mathewson
75684a48d5 <arma> did you get it working on win32? or just compiling 
svn:r2136
 2004-08-04 04:58:30 +00:00
Roger Dingledine
a328aab316 clean whitespace and tabs 
svn:r2115
 2004-07-22 23:21:12 +00:00
Roger Dingledine
aebec8ab9e stop using atexit() to remove our pid, since it's called 
immediately when we daemonize.

also drop our retry period for hidserv desc uploads from 10m to 5m


svn:r2111
 2004-07-22 22:15:36 +00:00
Roger Dingledine
06b72cc8f2 publish advertised_bandwidth in descriptor 
svn:r2095
 2004-07-22 04:20:27 +00:00
Roger Dingledine
6c56f34aaf clients shouldn't create datadir until we have something to put there 
svn:r2092
 2004-07-22 00:13:42 +00:00
Roger Dingledine
3c2c8ed42b 0.0.8 ORs should autoconnect to authdirservers and 0.0.7 servers 
svn:r2091
 2004-07-21 23:43:47 +00:00
Roger Dingledine
ce7fcd110c solve the authdirserver initialization precedence problem 
svn:r2085
 2004-07-21 18:53:56 +00:00
Roger Dingledine
3e97c12f24 rearrange to prepare to solve the authdirserver initialization 
precedence problem. doesn't actually solve it yet.


svn:r2079
 2004-07-21 07:50:06 +00:00
Roger Dingledine
30d6b1479b clients exit immediately on interrupt; they don't wait 
svn:r2076
 2004-07-21 03:15:32 +00:00
Nick Mathewson
334de84cbe Misc small code cleanups; remove exit_server_mode(); change tor_tls_verify behavior 
svn:r2073
 2004-07-21 00:44:04 +00:00
Roger Dingledine
73ffcc5cef add a new advertised_server_mode() to distinguish ORs that 
are willing to become servers from ones that really are servers.


svn:r2071
 2004-07-21 00:12:42 +00:00
Roger Dingledine
0da256ef97 when we get a sigint, don't accept new connections/circuits, 
but delay 30 seconds until exiting.
if we get a second sigint, exit immediately.


svn:r2070
 2004-07-20 23:31:00 +00:00
Roger Dingledine
d5999a24af also don't hang up on him if we're an OR and he's an authdirserver 
otherwise we keep getting taken out of the running-routers list


svn:r2063
 2004-07-20 19:45:29 +00:00
Roger Dingledine
66fc6cf04a if you're an OR and he's an OR and he's running 0.0.7, 
don't expire your connections to him.


svn:r2062
 2004-07-20 19:28:02 +00:00
Roger Dingledine
dc7951a5a7 a whole swath of fixes 
introduce an authdir_mode() macro to match the others.
don't initialize uptime to the number of seconds since 1970.
non-authoritative dirservers don't cache their directory on disk.
make only authdirservers use clique_mode.
only read approved-routers file if you're an authdirserver.
even authdirservers fetch a new directory in do_hup.
retry_all_connections() is now called retry_all_listeners().
router_parse_list_from_string() correctly reports the router number
  it's working on.
only call dirserv_add_own_fingerprint() and
   dirserv_add_descriptor() on startup if we're an authdirserver.
if AuthDir and !ORPort then fail.
if AuthDir and ClientOnly then fail.


svn:r2061
 2004-07-20 10:17:43 +00:00
Nick Mathewson
54c129d8dc abstract ORPort/SocksPort checks into server_mode(), proxy_mode(), clique_mode(), etc. Dont change underlying comments. 
svn:r2054
 2004-07-18 21:47:04 +00:00
Nick Mathewson
e9365f9ed5 Bugfix: some things (like ctrl-z) can make a second take more than one second 
svn:r2042
 2004-07-13 18:07:57 +00:00
Roger Dingledine
d37850bb98 only count bytes transmitted to/from non-local IPs 
svn:r2041
 2004-07-13 16:58:01 +00:00
Roger Dingledine
86e0ede07e checkpoint: start working on bandwidth tracking and 
letting clients evaluate whether they're suitable servers


svn:r2037
 2004-07-13 07:42:20 +00:00
Roger Dingledine
3294b514d3 when you expire a wedged dir conn, conn_close_if_marked will take 
care of trying to flush before it closes


svn:r2035
 2004-07-13 00:38:08 +00:00
Roger Dingledine
cbf73b2bc5 touchups all over 
put uptime in descriptor


svn:r2011
 2004-07-04 22:48:11 +00:00
Roger Dingledine
f42f04c859 cleanups on 008pre1 items 
svn:r1993
 2004-06-30 21:48:02 +00:00
Nick Mathewson
b1e9adf056 Always use get_data_directory() instead of options.DataDirectory; fix a memory leak in router.c 
svn:r1991
 2004-06-30 16:37:08 +00:00
Nick Mathewson
76f769deb9 Remaining 008pre1 items done; deferred where more design is needed. 
More docs and (way more!) testing needed.

Done:
 - Authdirservers down directories from others.
 - Generate and use running-routers lists
 - Cache directories; store across reboots.
 - Refactor directory parsing a bit; note potential trouble spots.


svn:r1985
 2004-06-25 00:29:31 +00:00
Nick Mathewson
8aec3a7301 Implement several 008pre1 items: needs more testing 
svn:r1981
 2004-06-21 04:37:27 +00:00
Nick Mathewson
a788981399 Implement code to run tor as an NT service. More testing is needed, as is code to install the service. 
svn:r1966
 2004-06-12 21:43:02 +00:00
Nick Mathewson
125b351970 Break tor_main into startup/loop/shutdown portions, to make NT service refactoring possible. 
svn:r1965
 2004-06-12 19:45:46 +00:00
Nick Mathewson
184f4e6044 Rotate dnsworkers and cpuworkers on SIGHUP, so they get new config settings too 
svn:r1950
 2004-06-06 03:38:31 +00:00
Nick Mathewson
605e10a650 Stop multiplying logs on sighup. 
svn:r1936
 2004-06-02 19:18:37 +00:00
Nick Mathewson
0d20fee2fb Add more asserts to dns-pending connections; fix a couple seeming bugs. 
svn:r1931
 2004-06-01 22:09:58 +00:00
Roger Dingledine
4181d18b3d declare the epipe bug a non-bug. 
now we catch and ignore epipe signals, and when write returns epipe,
we simply return -1 and close the socket/connection.


svn:r1928
 2004-06-01 17:31:13 +00:00
Roger Dingledine
834ffa358f bugfix: if the wedged dir conn has no bytes to flush, then we never 
close it.


svn:r1924
 2004-05-28 17:56:17 +00:00
Roger Dingledine
8064807896 dirservers try to reconnect periodically too, in case connections have failed 
svn:r1922
 2004-05-28 15:01:47 +00:00
Nick Mathewson
9b4e8486ce Keep temporary log in place while configuring logs 
svn:r1919
 2004-05-24 02:28:15 +00:00
Nick Mathewson
ccb825128e Tinker with log behavior: never send error messages about logs into the bitbucket 
svn:r1912
 2004-05-20 19:47:28 +00:00
Roger Dingledine
66dd21b7a4 some more patching 
svn:r1910
 2004-05-20 08:41:54 +00:00
Roger Dingledine
30a07b2ecd non-dirservers expire routerinfo's that are more than a day old 
svn:r1907
 2004-05-20 05:10:30 +00:00
Nick Mathewson
9d2cd7fc6e Allow multiple logfiles at different severity ranges 
svn:r1899
 2004-05-19 20:07:08 +00:00
Roger Dingledine
d2de7120fa fix a seg fault, add another XXX for nick ;) 
svn:r1892
 2004-05-18 16:54:04 +00:00
Nick Mathewson
7511fbf993 Resolve some XXXs 
svn:r1889
 2004-05-18 15:35:21 +00:00
Nick Mathewson
50b7ebcf9e Make directory functions update routerlist, not replace it. Add notion of OR-is-trusted-to-be-a-dirserver. Arma, please review: does this handle being a dirserver right? 
svn:r1880
 2004-05-17 20:31:01 +00:00
Roger Dingledine
5ba9235873 clean up directory.c API 
svn:r1860
 2004-05-12 23:48:57 +00:00
Roger Dingledine
1cf1836990 break connection_edge_end out of connection_mark_for_close 
svn:r1858
 2004-05-12 21:12:33 +00:00
Roger Dingledine
32c42a0ee2 break rend_client_desc_fetched out of connection_mark_for_close 
svn:r1856
 2004-05-12 20:36:44 +00:00
Roger Dingledine
4c9138d640 calling flush_buf and not checking for return value is bad 
svn:r1851
 2004-05-12 18:41:32 +00:00
Nick Mathewson
3e2f889a29 Add an extra flush attempt when closing wedged dir conns, in an attempt to isolate the EPIPE bug 
svn:r1848
 2004-05-11 01:55:32 +00:00
Roger Dingledine
3cdf2d67da it's amazing what a bit of punctuation can do for appearances 
svn:r1843
 2004-05-10 10:27:54 +00:00
Nick Mathewson
81922a125c More doxygenation. 
svn:r1832
 2004-05-10 04:34:48 +00:00
Roger Dingledine
c6d4a00c5f more doxygen markup 
plenty more remains


svn:r1824
 2004-05-09 16:47:25 +00:00
Roger Dingledine
b384c5a18d bugfix: do directory_send_command only after we've established a socket 
also many comments, cleaning, etc


svn:r1823
 2004-05-09 16:33:04 +00:00
Roger Dingledine
9bf9ca4d09 bugfix: add a circ->resolving_streams field, and make dns resolving streams not actually in the connection_array until they're done resolving. 
bugfix: actually complain if we duplicate mark-for-close a circuit

add more logging for relay ends that claim dns resolve failed, so we can
find out why they're not being retried.


svn:r1798
 2004-05-06 11:08:04 +00:00
Nick Mathewson
e6477a8e16 Document the rest of main.c 
svn:r1797
 2004-05-05 21:35:12 +00:00
Nick Mathewson
682a805092 Comments for nearly all non-tricky files 
svn:r1796
 2004-05-05 21:32:43 +00:00
Nick Mathewson
2ba0776b02 Only connection_add connections once they have conn->s sett; refactor code around this. Should make stuff more bulletproof. 
svn:r1788
 2004-05-05 01:26:57 +00:00
Roger Dingledine
608c156820 must close marked connections at the end of run_scheduled_events. 
otherwise they might have a socket -1, and if we leave them around
they'll muck up poll/select.

i think this was the cause of our win32 and os x fakepoll crashes,
and probably would cause other errors down the road.


svn:r1786
 2004-05-05 00:59:42 +00:00
Nick Mathewson
af08c4f878 Working strerror for windows socket errors, plus some snide comments. 
svn:r1775
 2004-05-02 20:18:21 +00:00
Nick Mathewson
908ccb9dcd Handle windows socket errors correctly; comment most of common. 
svn:r1756
 2004-05-01 20:46:28 +00:00
Roger Dingledine
fff89216a9 tell us when we're rotating things 
svn:r1712
 2004-04-26 09:32:51 +00:00
Roger Dingledine
25d54257fb use tor_assert 
remove obsolete BUF_OK macro


svn:r1697
 2004-04-25 20:37:37 +00:00
Nick Mathewson
cb3897e5ab remove spurious router_rebuild_descriptor 
svn:r1692
 2004-04-25 19:01:49 +00:00
Roger Dingledine
0b31d0d4e8 more touch-ups 
svn:r1687
 2004-04-24 23:32:24 +00:00
Nick Mathewson
c44016e86e Merge flagday into main branch. 
svn:r1683
 2004-04-24 22:17:50 +00:00
Roger Dingledine
3c250a2fed only expire wedged dir conns that haven't already been expired 
svn:r1676
 2004-04-20 17:27:54 +00:00
Roger Dingledine
5cfec379ae expire wedged dir conns after 5min without write, not simply after 5min 
svn:r1673
 2004-04-19 20:08:42 +00:00
Roger Dingledine
d40e9f453f give wedged dir conns a last chance to flush 
svn:r1671
 2004-04-19 01:59:20 +00:00
Roger Dingledine
8d86f8abf5 reverse the logic, captain 
svn:r1664
 2004-04-18 06:42:13 +00:00
Roger Dingledine
7a7baf0552 expire dir connections that live for more than 5 minutes 
svn:r1663
 2004-04-18 06:35:31 +00:00
Roger Dingledine
01e594e512 clean up some warnings 
svn:r1651
 2004-04-17 06:34:20 +00:00
Nick Mathewson
baaf58fe1d only consider uploading descriptors every 5 sec 
svn:r1612
 2004-04-13 19:53:25 +00:00
Nick Mathewson
a2ece0fc08 Separate "start-establishing-introduction" from "upload descriptors"; only upload descriptors containing fully established intro points. 
svn:r1607
 2004-04-13 17:16:47 +00:00
Roger Dingledine
e0ce205a76 clean up circuit rebuilding some; fix some bugs we hadn't hit yet 
svn:r1606
 2004-04-13 05:20:52 +00:00
Roger Dingledine
f4ff5a75c1 break circuit_build_needed_circs into its own func 
svn:r1596
 2004-04-12 22:47:12 +00:00
Roger Dingledine
48e0228f1e expire old CIRCUIT_PURPOSE_C_REND_READY circs too 
svn:r1585
 2004-04-09 20:08:13 +00:00
Nick Mathewson
4e1b65f53d Dump introduction point status on kill -USR1 
svn:r1584
 2004-04-09 20:02:16 +00:00
Nick Mathewson
f9ade70cf9 Resolve init-services-in-do-hup issue 
svn:r1583
 2004-04-09 19:37:50 +00:00
Roger Dingledine
c80b42e17c don't call rend_services_init right before we fetch the 
dir, because we call it right after now.


svn:r1582
 2004-04-09 19:34:55 +00:00
Roger Dingledine
c5bef32d95 call directory_has_arrived has arrived every time we get 
a new directory, not just the first time


svn:r1581
 2004-04-09 19:30:38 +00:00
Nick Mathewson
c256f2c3a1 Make comment more sensible. Still uncertain about when to call rend_services_init, though. 
svn:r1580
 2004-04-09 17:54:20 +00:00
Nick Mathewson
facb5d4221 Reload rendezvous service keys on sighup; otherwise, we wind up with a 
bunch of half-initialized services.  This should solve half of
weasel's current bug.  The crash is the other half.

(arma: should we also call rend_services_init on hup?)


svn:r1578
 2004-04-09 17:48:09 +00:00
Roger Dingledine
4011906b6b get more serious about hunting The Bug 
(it has been haunting us since the days of 0.0.2preX)


svn:r1576
 2004-04-09 09:39:42 +00:00
Roger Dingledine
63cde97253 don't try to build intro circs until you've fetched the directory 
svn:r1541
 2004-04-07 22:48:06 +00:00
Nick Mathewson
4d14b786da Make sure we have our own keys before we initialize our routerlist 
svn:r1535
 2004-04-07 21:44:46 +00:00
Roger Dingledine
4df06ab5bb let bob replenish his intro points and republish service desc 
as necessary


svn:r1528
 2004-04-07 20:47:50 +00:00
Roger Dingledine
4a9587a486 we were uploading our server descriptor to each the dirservers 
when we boot, and then also on the first iteration of the main loop


svn:r1520
 2004-04-07 19:30:22 +00:00
Roger Dingledine
7793078dff alice can now look up bob's service descriptor, 
choose an intro point, connect to it,
choose a rend point, connect to it and establish a cookie,
get an ack from the rendezvous point,
and know when both circs are ready for her.

APConns don't use conn->purpose anymore

don't initiate a renddesc lookup if one is already in progress

also fix a buffer overflow in nickname parsing (only exploitable
by the operator though)


svn:r1471
 2004-04-05 00:47:48 +00:00
Roger Dingledine
4e996a4ce8 tabs 
svn:r1456
 2004-04-03 02:14:20 +00:00
Roger Dingledine
f34e6da3e7 now circuit_get_newest returns an appropriate circ for your purpose 
connection_ap_handshake_attach_circuit attaches to a circ of the
right purpose

add a skeletal rendclient.c


svn:r1441
 2004-04-02 22:23:15 +00:00
Roger Dingledine
64cb3a027f teach directory servers to handle renddesc responses 
svn:r1434
 2004-04-01 21:32:01 +00:00
Roger Dingledine
cc3c4245cb let the circuit-launcher choose the exit node (if he wants) 
svn:r1428
 2004-04-01 03:44:49 +00:00
Roger Dingledine
d01497cf3c outline what bob does to initialize his hidden services 
let circuit_launch_new return the circ it just made


svn:r1424
 2004-04-01 03:23:28 +00:00
Roger Dingledine
d13857a3f0 put in hooks for alice and bob logic when circuits finish/fail 
let you specify the purpose of circuits you launch

bugfix: we used to be declaring the first successful circuit too                               early -- when the first hop finished. now we're more accurate.


svn:r1421
 2004-04-01 01:57:22 +00:00
Roger Dingledine
ee45ae575d allow conns to demand to be attached to a clean circuit 
(nobody uses this yet)


svn:r1417
 2004-03-31 23:06:16 +00:00
Roger Dingledine
a0b0d16981 Add an ap_bridge function to do a socketpair and skip socks. 
This allows us to do a directory connection *through* tor just
as if we're doing it as an application.

Make ap_conns tolerate it when the application sends stuff before
The socks handshake is done (it just buffers it).

Tell directory_initiate_command the length of the payload (because
it might include nuls).

Add a directory_has_arrived function to, for example, start building
the rendezvous service descriptor.


svn:r1412
 2004-03-31 22:02:13 +00:00
Nick Mathewson
bf83b1e345 Add code to configure hidden services, parse configuration, generate keys and service IDs, and store/load them from disk 
svn:r1410
 2004-03-31 21:35:23 +00:00
Nick Mathewson
8fedefe6cb rename hidserv_xx 
svn:r1406
 2004-03-31 04:10:10 +00:00
Nick Mathewson
b32440a028 Implement hidserv_XX functions; there is still an XXX in directory_handle_command 
svn:r1404
 2004-03-31 03:42:56 +00:00
Roger Dingledine
2d3ac08633 Refactor directory servers 
* read all the time (before we would ignore eof sometimes, oops)
* we can handle different urls now
* send back 404 for an un-handled url
* commands initiated by the client can handle payloads now
* introduce conn->purpose to avoid exponential state-space explosion


svn:r1400
 2004-03-30 22:57:49 +00:00
Roger Dingledine
524312494b use 'notice' loglevel for things the operator should hear 
but that aren't warnings


svn:r1384
 2004-03-30 03:15:53 +00:00
Nick Mathewson
0e6084d751 Remove descriptors that are older than 24 hours from the directory. Use strlcat instead of strncat to generate directories. 
svn:r1361
 2004-03-29 19:28:16 +00:00
Roger Dingledine
2ba9901cb4 oh, i forgot to enable the find-munged-conn function 
svn:r1357
 2004-03-28 21:14:05 +00:00
Roger Dingledine
47b40de0aa only build circuits after we've fetched the directory 
this resolves a subtle bug where tor clients were preferentially using
the directory servers, since when they start building circuits they
know only about the directory servers

on the other hand, it now takes longer after startup before there's
a working circuit. so it goes.


svn:r1350
 2004-03-27 00:15:09 +00:00
Nick Mathewson
b7c2b18bd6 Add a RunTesting option to try to learn link state by creating test circuits, even when SocksPort is off. 
svn:r1327
 2004-03-21 03:03:10 +00:00
Roger Dingledine
3d2c6c7cfa catch signals in a more portable way, so solaris can catch them too 
svn:r1324
 2004-03-20 23:27:22 +00:00
Nick Mathewson
2ba2f02181 Integrate the new "rephist" [rep(utation) hist(ory)] module to trace 
successful/failed connections, successful/failed extends, and
connection uptimes.

It's still not done: more tests are needed, and not everything calls
connection/circuit_mark_for_close properly.  This skews the results.

Also, there needs to be a 'testing' mode for non-OP ORs, where they
periodically build circuits just to test whether extends work.


svn:r1313
 2004-03-20 04:59:29 +00:00
Roger Dingledine
208625ae31 clean up some presentation and comments 
svn:r1294
 2004-03-18 19:22:56 +00:00
Roger Dingledine
74ef3a63ae bugfix: decrement OR connections from global_bucket too 
bugfix: don't return immediately for has_pending_tls_data unless
        the conn is allowed to read


svn:r1270
 2004-03-14 17:06:29 +00:00
Roger Dingledine
703b2d3cf8 refactor bandwidth-control token buckets 
this is a checkpoint commit; there still remain some
bugs, er, somewhere.


svn:r1269
 2004-03-14 16:00:52 +00:00
Roger Dingledine
87797bcde5 get rid of those pesky tabs 
svn:r1264
 2004-03-12 13:00:34 +00:00
Roger Dingledine
623cb0e311 more details when a conn is closed before it's done flushing 
svn:r1262
 2004-03-12 08:16:48 +00:00
Roger Dingledine
52e813951a start tracking the 'broken pipe' error 
svn:r1261
 2004-03-11 20:15:53 +00:00
Nick Mathewson
9b4203266e Make OP work on windows! (Also misc logging tweaks) 
svn:r1258
 2004-03-11 06:19:08 +00:00
Nick Mathewson
d877aac5ad Make windows version correct; initialize windows foolishness so that gethostbyname works. 
svn:r1250
 2004-03-10 06:26:38 +00:00
Roger Dingledine
416993afc1 bugfix: only set conn->hold_open_until_flushed after marking 
svn:r1245
 2004-03-08 01:19:57 +00:00
Roger Dingledine
10cee8b7f7 fix a rare race condition: when we send a cell and then 
mark an OR connection expired, we might close it before
finishing a flush if the other side isn't reading.


svn:r1240
 2004-03-06 06:05:00 +00:00
Roger Dingledine
6c9d78b319 stop asserting that computers always go forward in time 
it's simply not true


svn:r1236
 2004-03-06 01:43:37 +00:00
Roger Dingledine
5e2e6555a2 and a minor patch 
svn:r1215
 2004-03-03 08:48:32 +00:00
Roger Dingledine
419a672222 holding until flush was borked 
we were never writing anything when hold_open_until_flushed was set,
since conn_write returns early if marked_for_conn is set.

seems a bit better now.


svn:r1214
 2004-03-03 08:46:18 +00:00
Roger Dingledine
6022bfea11 better debugging for lonely flushes 
svn:r1213
 2004-03-03 07:26:58 +00:00
Roger Dingledine
3c71d09402 use conn->hold_open_until_flushed for streams 
and also note/fix a variety of other stream-based bugs


svn:r1210
 2004-03-03 06:26:34 +00:00
Nick Mathewson
f4e4dac801 Implement hold_open_until_flushed. I may have missed something important. 
svn:r1209
 2004-03-03 05:08:01 +00:00
Roger Dingledine
8275e2302c make socks5 not give a spurious warning 
also rename AP_CONN_STATE_CONNECTING to _CONNECT_WAIT


svn:r1208
 2004-03-03 04:54:16 +00:00
Nick Mathewson
5a053a6a81 remove redundant check 
svn:r1204
 2004-03-03 02:14:35 +00:00
Nick Mathewson
6379dbbe2a warn more when losing data on closed/marked connections. 
svn:r1203
 2004-03-03 02:07:57 +00:00
Nick Mathewson
6f3c6d1289 Split out mark_for_close with circuits. Seems to work for me. 
svn:r1197
 2004-03-02 17:48:17 +00:00
Roger Dingledine
2c341cd032 put switch_id and start_daemon earlier 
svn:r1188
 2004-02-29 22:34:38 +00:00
Roger Dingledine
ef5f917e9e print a statement when the first circ is finished, 
so the user knows it's working


svn:r1179
 2004-02-29 03:52:38 +00:00
Roger Dingledine
4716d4d871 bugfix: only warn about an unrouter router after we've fetched a directory 
svn:r1178
 2004-02-29 01:31:33 +00:00
Roger Dingledine
928db6dadc cwd to datadir if it's defined, rather than / 
this way people can get cores if they want to


svn:r1171
 2004-02-28 23:23:06 +00:00
Nick Mathewson
f039eca658 Stop trying to flush on broken sockets marked for close. 
svn:r1163
 2004-02-28 19:14:11 +00:00
Roger Dingledine
80410fa8dc some comments to point nick at the latest bugs 
svn:r1162
 2004-02-28 11:48:22 +00:00
Roger Dingledine
e59f19ca03 some more small fixes 
svn:r1152
 2004-02-28 04:44:48 +00:00
Nick Mathewson
b4a7883c90 make code more readable; arrbitrarily change a -1 to a 0. 
svn:r1151
 2004-02-28 04:34:27 +00:00
Nick Mathewson
4e89c6661a Push responsibility for connection marking down as far as possible; have only a close path; add some missing end cells; change return conventions a little. 
svn:r1149
 2004-02-28 04:11:53 +00:00