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179 Commits

Author SHA1 Message Date
Roger Dingledine
bf4da967c1 Don't use helper nodes for circuits with purpose 'testing'. 
Also, when picking the helper node for a given circuit,
exclude the circuit's exit from your choices.


svn:r5569
 2005-12-11 12:14:26 +00:00
Roger Dingledine
a131783c8b when removing dead helpers, only write or_state to disk once at the 
end, not for every helper you remove.


svn:r5568
 2005-12-11 11:56:17 +00:00
Roger Dingledine
9c01fa3d59 fix yet another time comparison bug. we were abandoning helpers 
as soon as they became unavailable. (is this true?)


svn:r5565
 2005-12-11 11:23:36 +00:00
Roger Dingledine
f3349d6ed3 fix an error in reporting why we abandoned a helper node 
svn:r5564
 2005-12-11 11:20:26 +00:00
Roger Dingledine
b974f67c01 choose helper nodes to have high capacity always 
svn:r5563
 2005-12-11 11:20:01 +00:00
Roger Dingledine
defa3804cf explain why 0.1.1.9-alpha-cvs is a special version. 
svn:r5552
 2005-12-10 21:07:21 +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
Roger Dingledine
9b0a40ec78 crank the max line limit down to 150 chars. 
svn:r5550
 2005-12-10 08:27:01 +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
Roger Dingledine
d3dcea08af remove a redundant memcpy when extending to a new server 
and attaching circuits to it.


svn:r5537
 2005-12-08 20:33:57 +00:00
Nick Mathewson
e9b66ec906 Document CREATE_FAST better in the code. Move our key expansion algorithm into a separate function in crypto.c 
svn:r5530
 2005-12-08 17:38:32 +00:00
Nick Mathewson
f031ee8246 Make clients use CREATE_FAST cells. add an option to disable this. 
svn:r5524
 2005-12-07 22:09:02 +00:00
Roger Dingledine
4902ece698 what the heck is wrong with this little piece of code? 
why can none of us get it right?
it looks so simple.


svn:r5521
 2005-12-07 04:43:39 +00:00
Nick Mathewson
1b0134dda8 Clean up some comments; remove some dead code 
svn:r5493
 2005-12-03 16:32:29 +00:00
Nick Mathewson
148a1e969d Shave off another 4.7%: remove a linear search when figuring out which circuits wanted us to open a given OR connection. 
svn:r5489
 2005-12-03 02:12:37 +00:00
Nick Mathewson
3bd613b44d Rename connection_get_by_identity_digest to reflect that it is OR-only. Make it use a hashtable instead of a linear search. 
svn:r5469
 2005-11-30 03:01:16 +00:00
Roger Dingledine
2350e487a2 minor cleanup 
svn:r5454
 2005-11-24 06:44:13 +00:00
Roger Dingledine
ea7fe0c267 Fix a bug found by Lasse Overlier: when we were making internal circuits 
(intended to be cannibalized later for rendezvous and introduction
circuits), we were picking them so that they had useful exit nodes. There
was no need for this, and it actually aids some statistical attacks.


svn:r5453
 2005-11-24 06:43:39 +00:00
Roger Dingledine
5b583073a1 remove some more dead code (found while hunting lasse's bug) 
svn:r5452
 2005-11-24 06:06:50 +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
Roger Dingledine
f824fb5f83 Bugfix: it looks like some middleman circuits were spending the 
first few moments of their existence in CIRCUIT_STATE_OPEN, then
when Alice sent an extend request for a Tor that they're not connected
to, they switched to CIRCUIT_STATE_OR_WAIT and spent the rest of
their sorry little lives in that state, even when the connection
was established and they were shuttling relay cells back and forth.

And I'm not going to backport this (yet), because somehow it worked!


svn:r5427
 2005-11-19 01:55:58 +00:00
Nick Mathewson
75d85c8214 On directory servers, old_routers was wasting hundreds of bytes per superseded router descriptor. Roll the signed descriptor info and identifying info into a cache_info struct, and use only that for old_routers. 
svn:r5349
 2005-11-05 20:15:27 +00:00
Roger Dingledine
44b3f3060a make circ->onionskin a pointer, not a static array. moria2 was using 
125000 circuit_t's after it had been up for a few weeks, which translates
to 20+ megs of wasted space.


svn:r5333
 2005-10-29 19:13:48 +00:00
Nick Mathewson
5d85560d9e Remove last vestiges of old logging interface. 
svn:r5317
 2005-10-25 18:01:01 +00:00
Nick Mathewson
26caf69555 Fix possible minor memory leak when parsing helpernode state 
svn:r5305
 2005-10-25 07:00:03 +00:00
Nick Mathewson
fa338d85db Fix one possible source of reuse-a-circuit-id bug; convert circuitbuild to new logging 
svn:r5301
 2005-10-24 19:37:45 +00:00
Nick Mathewson
3347c1741d Refactor routerlist access slightly: always use router_get_by_routerlist(); change its interface; add modifier functions to add/remove elements from the current routerlist (so we can add indices). 
svn:r5276
 2005-10-18 17:43:54 +00:00
Roger Dingledine
bec2271029 fix a few comments 
svn:r5262
 2005-10-17 08:41:58 +00:00
Peter Palfrader
7b15f77dd6 Make a few INFO log lines into DEBUG 
svn:r5257
 2005-10-17 02:13:36 +00:00
Roger Dingledine
ae92a91d96 more log uncluttering 
svn:r5254
 2005-10-17 01:29:28 +00:00
Nick Mathewson
905ef987e2 Make --hash-password not craash on exit. 
svn:r5243
 2005-10-12 19:08:48 +00:00
Nick Mathewson
61ea516885 Check for named servers when looking them up by nickname; 
warn when we'recalling a non-named server by its nickname;
don't warn twice about the same name.

Fix a bug in routers_update_status_from_networkstatus that made nearly
all clients never update routerinfo_t.is_named.

Try to list MyFamily elements by key, not by nickname.

Only warn about names that we generated ourself, or got from the local
user.

On TLS handshake, only check the other router's nickname against its
expected nickname if is_named is set.


svn:r5185
 2005-10-04 22:23:31 +00:00
Roger Dingledine
88c37f2d24 comment cleanups 
svn:r5181
 2005-10-04 06:53:59 +00:00
Nick Mathewson
9e54e2e293 free helper node status info on shutdown 
svn:r5177
 2005-09-30 21:38:57 +00:00
Nick Mathewson
5c53545d81 Add a bunch more warnings to out warning suite; resolve them; pack structs a little better. 
svn:r5150
 2005-09-29 22:59:17 +00:00
Nick Mathewson
d4e0af7822 Fix a bunch of log messages. Deprecate some routerlist fields; remove others, and status_set_at from routerinfo_t. Compress routerlist.c cleanup functions. Update cached networkstatus mtime when we download the same one twice. Change some interfaces. 
svn:r5068
 2005-09-14 23:42:06 +00:00
Nick Mathewson
922cee3d0c Clean up a few warnings that make gcc twig out a bit. 
svn:r5062
 2005-09-14 20:59:25 +00:00
Roger Dingledine
26cc51ffea a bit more code cleanup 
svn:r5033
 2005-09-13 21:24:51 +00:00
Roger Dingledine
1d9786a392 generalize route length to three plus one if the exit node is risky. 
svn:r4978
 2005-09-10 01:01:40 +00:00
Roger Dingledine
69da0ef757 add punctuation 
svn:r4924
 2005-09-08 06:49:02 +00:00
Nick Mathewson
e863771485 Log when falling back to nonfast/nonstabl routers 
svn:r4869
 2005-08-26 22:16:32 +00:00
Roger Dingledine
6577e08e38 when we're trying to build a circuit and we're being picky about what 
sort we get but there aren't any suitable servers, try being less picky
rather than simply failing.


svn:r4867
 2005-08-26 22:10:22 +00:00
Roger Dingledine
23ed3c9786 whoops, avoid printing a null string sometimes 
svn:r4815
 2005-08-22 22:58:38 +00:00
Roger Dingledine
435d2d8fde when we begin reachability testing, log the address:port for each 
port we're testing, so people are more likely to notice that they're
using the wrong ip address.


svn:r4808
 2005-08-22 05:46:02 +00:00
Roger Dingledine
f57d062d9c Implement exit enclaves: if we know an IP address for the destination, 
and there's a running Tor server at that address which allows exit to
the destination, then extend the circuit to that exit first.
Also, if the user asks for a .exit node, cannibalize general circs for it.


svn:r4779
 2005-08-15 03:25:40 +00:00
Nick Mathewson
789374dbbd Make GCC very happy, even with lots of warnings set. Also, try to fix some reported Solaris x86 warnings. 
svn:r4770
 2005-08-12 17:24:53 +00:00
Nick Mathewson
249b72f53e Replace (Fascist)Firewall* with a new ReachableAddresses option that understands address policies. 
svn:r4751
 2005-08-08 21:58:48 +00:00
Nick Mathewson
01d0788950 Generalize FirewallPorts to FirewallIPs so I can run happily when locked in net 18. 
svn:r4737
 2005-08-07 21:24:00 +00:00
Nick Mathewson
4cb89fd557 Implement some more GETINFO goodness: expose helper nodes, config options, getinfo keys. 
svn:r4694
 2005-08-04 19:56:41 +00:00
Nick Mathewson
d90841ff5a Fix bug in state parsing 
svn:r4681
 2005-07-28 19:08:51 +00:00