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468 Commits

Author SHA1 Message Date
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   got is obsolete, and the router is 0.1.1.9-alpha-cvs or later, ask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
26d8c3498c and another overly common log entry 
svn:r5417
 2005-11-18 00:35:29 +00:00
Roger Dingledine
e6fd88c698 simplify a log entry 
svn:r5353
 2005-11-11 17:03:35 +00:00
Nick Mathewson
80758473f8 fix a signed/unsigned warning 
svn:r5344
 2005-11-01 17:28:49 +00:00
Roger Dingledine
bf2be9abd7 Do round-robin writes of at most 16 kB per write. This might 
be more fair on loaded Tor servers, and it might resolve our
Windows crash bug. It might also slow things down.


svn:r5332
 2005-10-29 18:19:37 +00:00
Nick Mathewson
5d85560d9e Remove last vestiges of old logging interface. 
svn:r5317
 2005-10-25 18:01:01 +00:00
Nick Mathewson
452f4cfa09 Convert circuituse, command, config, connection, relay, router, test to new logging interface 
svn:r5308
 2005-10-25 07:04:36 +00:00
Peter Palfrader
0d9aedfcea Downgrade a few INFO level logs to DEBUG again. Also add two or three new 
logs in cases where a calling function's log was downgraded and we wouldn't
get any log message otherwise.


svn:r5263
 2005-10-17 16:21:42 +00:00
Roger Dingledine
fd165329b8 start calling it *ListenAddress rather than *BindAddress, 
since none of our users know what it means to bind an address or port.


svn:r5260
 2005-10-17 03:17:29 +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
Roger Dingledine
78edd804ff fix a malformed warning entry 
svn:r5219
 2005-10-07 19:49:48 +00:00
Peter Palfrader
14934dece2 Print address too when we say we cannot bind/listen 
svn:r5213
 2005-10-07 18:48:31 +00:00
Nick Mathewson
cc35e1720f Using RAND_pseudo_bytes instead of RAND_bytes is an accident waiting to happen, and does not really speed us up much when we do it. So stop doing it. 
svn:r5210
 2005-10-06 22:18:01 +00:00
Nick Mathewson
039edb3dbb Downgrade too-frequent "nothing happened" message from info to debug 
svn:r5200
 2005-10-05 22:32:59 +00:00
Nick Mathewson
6e4608701d and another leak. 
svn:r5175
 2005-09-30 21:31:26 +00:00
Roger Dingledine
ae30c8101b by convention, addr is a uint32_t and address is a string. 
that's why we hadn't caught that leak.


svn:r5174
 2005-09-30 21:30:04 +00:00
Nick Mathewson
5c5d2e82e6 Fix a leak when launching listeners. 
svn:r5173
 2005-09-30 21:28:00 +00:00
Nick Mathewson
92451f74a8 Reformat inconsistent function declarations. 
svn:r5160
 2005-09-30 01:09:52 +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
7c6679d8dc Add new config.c function to set options that can fail, and roll back if they do. This should solve the setconf-an-impossible-port bug. 
svn:r5046
 2005-09-14 02:36:29 +00:00
Roger Dingledine
63bb27f19d be more thorough about noticing when a directory request has failed: 
it has failed not only when the connection attempt fails, but also
if the conn reaches eof before we get a response that we're happy with.


svn:r5013
 2005-09-12 07:36:26 +00:00
Nick Mathewson
3dc5e77b58 Numerous changes to move towards client-side v2 directories. 
connection.c:
- Add some more connection accessor functions to make directory
  download redundancy checking work.

directory.c, or.h, router.c, routerlist.c:
- Start on logic to note when networkstatus downloads fail.

dirserv.c, routerlist.c, routerparse.c:
- Start maintaining an is_named field in routerstatus_t.  Don't
  actually look at it yet.

dirserv.c, routerlist.c:
- Remove expired networkstatus objects.

or.h:
- Make some booleans into bitfields
- Add prototypes

routerlist.c:
- Sort networkstatus list by publication time
- Function to remove old (older than 10 days) networkstatus objects.
- Function to set a list of routerinfo_ts' status info from the
  current set of networkstatus objects.
- Function to tell which routerinfos we need to download based no the
  current set of networkstatus objects.
- Do not launch a networkstatus download if a redundant one is in progress.

routerparse.c:
- Keep router entries in networkstatus sorted by digest.


svn:r5012
 2005-09-12 06:56:42 +00:00
Nick Mathewson
4ce0e01848 add conn->requested_resource to connection_t checks. 
svn:r4951
 2005-09-08 21:21:54 +00:00
Nick Mathewson
059148f588 Only caches download network-status for now, and they use a different strategy. Add an element to connection_t to remember what we are downloading, and a function to recognize our own fingerprint. 
svn:r4944
 2005-09-08 20:18:15 +00:00
Roger Dingledine
893acb3acc Make a new AssumeReachable config option that will publish anyway. 
Also, let authdirservers start without setting their Address field.
Something is still not working though. Will fix in morning.


svn:r4839
 2005-08-26 07:41:19 +00:00
Nick Mathewson
4e735da5da Also set event_mask=0 in connection_free_all, and dont send events to marked control conns (for good measure) 
svn:r4729
 2005-08-07 19:27:38 +00:00
Roger Dingledine
5c4da9dec6 incomplete patch for matt's info controller signal term bug 
svn:r4728
 2005-08-07 19:20:55 +00:00
Nick Mathewson
303258972b Fix idiot bug. The "free the IP history" code belons in connection_free_all(), not in connection_free(). You can all mock me now. 
svn:r4691
 2005-08-04 18:29:01 +00:00
Nick Mathewson
11ff0aba80 Make clients regenerate their keys when their IP address changes. 
svn:r4688
 2005-08-03 20:42:17 +00:00
Nick Mathewson
18c11eb3bc Be consistent about preferring foo* to struct foo* 
svn:r4637
 2005-07-22 21:12:10 +00:00
Nick Mathewson
c3a62c1739 Initial, somewhat dodgy implementation of helper nodes. It has too many XXXXs, it logs too verbosely, and it doesnt do persistence. 
svn:r4633
 2005-07-22 17:32:25 +00:00
Roger Dingledine
452c98058f missed one 
svn:r4567
 2005-07-14 23:08:55 +00:00
Roger Dingledine
d8d0feb633 tell us what kind of listener it is, too 
svn:r4566
 2005-07-14 23:07:05 +00:00
Nick Mathewson
f86a1e634f fix opening listener log msg 
svn:r4565
 2005-07-14 23:04:31 +00:00
Nick Mathewson
e94f95a716 Populate address field of listeners with an actually sane value. 
svn:r4564
 2005-07-14 22:56:17 +00:00
Roger Dingledine
2259032ea1 trivial changes on nick's rendezvous commit 
svn:r4553
 2005-07-14 08:43:19 +00:00
Nick Mathewson
cf13b3e4a6 Macro-fu to get DEBUG events working. 
svn:r4539
 2005-07-13 05:14:42 +00:00
Nick Mathewson
658e1196d0 Change retry_listeners: when force is false, close and re-open a minimal set of listeners (i.e., those that do not match the configuration). This fixes a possible bug on some windowses. Maybe. 
svn:r4528
 2005-07-11 17:20:22 +00:00
Nick Mathewson
f9f09f1c5e Start implementing framework for revised control spec. 
svn:r4447
 2005-06-17 18:49:55 +00:00
Nick Mathewson
d4972bd2e1 Remove code that has been #if-0ed for a long time. 
svn:r4435
 2005-06-15 18:34:46 +00:00
Nick Mathewson
232861ba42 Docment or add DOCDOC comments to undocumented functions in src/or. Make function definition format uniform. 
svn:r4411
 2005-06-11 18:52:12 +00:00
Roger Dingledine
2587fa09f9 move more docs into our code 
svn:r4406
 2005-06-11 06:07:22 +00:00
Nick Mathewson
0831823763 Change end-of-file NLNL convention. It turns out arma I and I agree. 
svn:r4382
 2005-06-09 19:03:31 +00:00
Roger Dingledine
cfc89f8753 pay more attention to the ClientOnly config option 
svn:r4367
 2005-06-09 08:54:42 +00:00
Roger Dingledine
aff308e6d9 reenable the part of the code that tries to flush as soon as an OR outbuf 
has a full tls record available. perhaps this will make OR outbufs not grow
as huge except in rare cases, thus saving lots of cpu time plus memory.


svn:r4343
 2005-06-08 04:55:06 +00:00
Roger Dingledine
040a748d87 i screwed up the dirport reachability testing when we don't yet 
have a cached version of the directory. hopefully now fixed.


svn:r4284
 2005-05-23 05:20:52 +00:00
Roger Dingledine
b86716b839 If a socks connection ends because read fails, don't warn that you're 
not sending a socks reply back. (bug reported by Warren Barrow)


svn:r4277
 2005-05-21 00:15:23 +00:00
Roger Dingledine
f0e309e5bd add HttpProxyAuthenticator config option too 
svn:r4272
 2005-05-20 08:51:45 +00:00
Roger Dingledine
b7d6b8a397 doxygeny goodness from tyranix 
svn:r4262
 2005-05-17 17:01:36 +00:00
Nick Mathewson
10b2208d93 Make Tor compile with no warnings with gcc4.0 on OSX 
svn:r4184
 2005-05-07 05:55:06 +00:00
Roger Dingledine
5265bbd2b8 first iteration of scrubbing sensitive strings from logs. 
also generally clean up log messages.


svn:r4174
 2005-05-03 10:04:08 +00:00
Nick Mathewson
a312ce1d3b Change buffer shrinking strategy: only try to shrink once every 3 minutes. Do not try to read over buffer size unless buffer is nearly empty. 
svn:r4165
 2005-05-02 23:17:08 +00:00
Nick Mathewson
fe65e57ca1 Re-do fragmented control message handling to work with new buf_t system. 
svn:r4144
 2005-04-27 22:01:34 +00:00
Nick Mathewson
9ba2dd7ea1 Clean/renormalize whitespace 
svn:r4122
 2005-04-26 20:55:32 +00:00
Roger Dingledine
509405a5f7 clean up this TOR_FRAGILE business 
svn:r4116
 2005-04-26 18:52:16 +00:00
Nick Mathewson
74dc7eedc5 Add kludgy function to force controllers to flush EVENT_ERR_MSG events. 
svn:r4057
 2005-04-08 03:36:39 +00:00
Nick Mathewson
31c12e265f Move a quote, fix a log. 
svn:r4056
 2005-04-08 03:26:44 +00:00
Roger Dingledine
dabafddb82 fix format bug 
svn:r4051
 2005-04-07 22:03:56 +00:00
Nick Mathewson
8cc3307e0d Improve conn_*_to_string; add circuit_state_to_string; make skewed-descriptor messages better. 
svn:r4047
 2005-04-07 21:07:19 +00:00
Nick Mathewson
b897cb1ec3 Change conn_(type|state)_to_string from const arrays to switch functions so we (I) will not make Tor crash the next time we (I) add a new state. 
svn:r4045
 2005-04-07 20:25:22 +00:00
Roger Dingledine
620419b421 oh, and accept() into the right place, too. 
svn:r4029
 2005-04-06 16:16:31 +00:00
Roger Dingledine
70f3b3ef86 Forward-port the checking of 
sin_addr.s_addr == 0 || sin->sin_port == 0.
This just happened on moria2, so I guess it happens rarely
on Linux as well as OS X.
We can't afford to accept OR conns from 0.0.0.0:0, since we
send created cells back to the first addr:port that matches,
and we'd better not send them to the wrong place.
So, let's drop them all for now, and see if we can find a pattern
later.


svn:r4028
 2005-04-06 15:42:35 +00:00
Roger Dingledine
9cbaf4603d fix an assert trigger: when we have the rare case of accepting 
a conn on 0.0.0.0:0, then when we look through the connection array,
we'll find any of the workers. this is no good.


svn:r4027
 2005-04-06 15:19:32 +00:00
Nick Mathewson
88dc243bb5 Rename circuit_get_by_stream to circuit_get_by_edge_conn, and actually start using it. Watch out, kids! 
svn:r4026
 2005-04-06 06:43:21 +00:00
Roger Dingledine
5f0a84cbe2 update conn-type-state-strings to handle https states for ORs 
svn:r4018
 2005-04-06 04:55:17 +00:00
Nick Mathewson
ac268a8340 Fix Tor for no-threading compilation: move connection_unregister from _connection_free to connection_free. 
svn:r4013
 2005-04-06 00:46:57 +00:00
Nick Mathewson
0dc02328af Move most of *_mark_for_close out of macros. 
svn:r3992
 2005-04-03 05:22:33 +00:00
Nick Mathewson
0e81265359 update copyright notices. 
svn:r3982
 2005-04-01 20:15:56 +00:00
Roger Dingledine
c2a05e1ca9 redo the state descriptors now that we have a controller-wait state 
svn:r3934
 2005-03-31 17:36:24 +00:00
Roger Dingledine
36baf7219d stop most cases of hanging up on a socks connection without sending 
the socks reject. audit for remaining ones. also make things more
uniform so we always remember to hold-open-until-flushed, etc.


svn:r3891
 2005-03-27 04:55:13 +00:00
Roger Dingledine
1328383482 make it clearer to the human that his server is testing 
its reachability. tell him when it succeeds, or when 20
minutes pass and it hasn't succeeded yet.


svn:r3882
 2005-03-26 01:43:39 +00:00
Roger Dingledine
9b9dbad0b7 fix another case where we need to send a socks reply (reject) 
back before we close the conn.


svn:r3876
 2005-03-25 11:12:14 +00:00
Roger Dingledine
9685164fe5 don't mark a router down just because your httpsproxy is unreachable 
svn:r3874
 2005-03-25 10:55:06 +00:00
Nick Mathewson
d26bcfab92 Note where connection that hasnt sent end was marked. 
svn:r3872
 2005-03-25 05:54:50 +00:00
Roger Dingledine
bd37c9a3bd REUSEADDR on normal places means you can rebind to the port 
right after somebody else has let it go. But REUSEADDR on win32
means to let you bind to the port _even when somebody else
already has it bound_. So, don't do that on Win32.


svn:r3867
 2005-03-24 23:20:06 +00:00
Roger Dingledine
0dc91fd9c0 fix an assert -- we're not allowed to write onto a conn after we've 
connection_unregistered it. there's still more work to be done here,
since we need to make sure to send back the socks-reply as soon as we
know what it will be -- we can't just wait until connection-about-to-close
to deal with it.


svn:r3847
 2005-03-23 23:19:18 +00:00
Roger Dingledine
fb8a319ffe fix an over-eager assert, to make httpsproxy get a little farther 
svn:r3846
 2005-03-23 22:11:59 +00:00
Roger Dingledine
a799dad937 forward-port the commenting out of the assert that glenn fink was 
triggering. we still don't know why he was triggering it.


svn:r3841
 2005-03-23 20:42:37 +00:00
Roger Dingledine
7373042a7b fix assert triggers (bugs 109 and 96), and put in some 
debugging logs to notice future repeat bugs.


svn:r3826
 2005-03-23 02:52:55 +00:00
Roger Dingledine
e28b8aaa40 make httpsproxy more likely to work 
(don't let OR conns do tls until they've finished connecting and
doing the proxy dance.)


svn:r3824
 2005-03-22 23:57:18 +00:00
Nick Mathewson
df9c8feac7 Commit fixes for several pending tor core tasks: document all DOCDOCed functions; time out uncontrolled unattached streams; feed reasons to SOCKS5 (refactoring connection_ap_handshake_socks_reply in the process); change DirFetchPeriod/StatusFetchPeriod to have a special "Be smart" value. 
svn:r3769
 2005-03-17 12:38:37 +00:00
Nick Mathewson
97dad670ea Renormalize whitespace 
svn:r3757
 2005-03-14 03:18:35 +00:00
Nick Mathewson
115271f65e Implement the common case of ATTACHSTREAM. 
svn:r3751
 2005-03-12 04:22:01 +00:00
Nick Mathewson
afe414f070 Revise all calls to connection_edge_end to avoid sending MISC, and to take errno into account where possible. 
svn:r3720
 2005-03-01 22:42:31 +00:00
Nick Mathewson
4ddf768a4f Forward-port new reasons; clean up code more; add code to convert new reasons to SOCKS5 reply codes; add code to convert errnos to reasons. New code still needs to get invoked. 
svn:r3719
 2005-03-01 22:16:15 +00:00
Nick Mathewson
b7b05dc1b2 make control interface stream IDs monotonically increasing to prevent possible races 
svn:r3715
 2005-03-01 01:15:01 +00:00
Nick Mathewson
97bc49bd72 Try a little harder to avoid openssl SSL* double-free reports. 
svn:r3710
 2005-02-28 02:52:51 +00:00
Nick Mathewson
26e6eb7539 Check returns from libevent calls better; stop poking at internals of events to see if they are live. 
svn:r3691
 2005-02-25 05:42:01 +00:00
Nick Mathewson
24d7ae6fe8 Insert missing ! in assert_connection_ok; test was accidentally reversed in revision 1.329 yesterday. Should fix bug 102 
svn:r3685
 2005-02-24 17:08:27 +00:00
Nick Mathewson
22c38b0f9b Clarify comment. Use CONN_IS_EDGE more. Try to be more zealous about calling connection_edge_end when things go bad with edge conns in connection.c 
svn:r3671
 2005-02-23 20:35:26 +00:00
Nick Mathewson
6e6d95b3db Change from inet_ntoa to a threadproof tor_inet_ntoa. 
svn:r3656
 2005-02-22 08:18:36 +00:00
Nick Mathewson
c2d5b67dd2 After we successfully connect, try handling pending stuff immediately, rather than waiting for the next call to connection_handle_write. Roger: is this right? 
svn:r3647
 2005-02-22 03:02:33 +00:00
Roger Dingledine
cbb4803ec8 forward-port some fixes 
svn:r3631
 2005-02-17 01:12:50 +00:00
Roger Dingledine
37ca621301 when a client asks us for a dir mirror and we don't have one, 
launch an attempt to get a fresh one.


svn:r3609
 2005-02-10 06:31:34 +00:00
Roger Dingledine
07a3307460 remove redundant lines 
svn:r3607
 2005-02-09 23:54:30 +00:00
Nick Mathewson
89d422914a Patch from adam langley: always remove sockets from libevent before closing them. Should fix epoll-related bugs. 
svn:r3606
 2005-02-09 23:16:31 +00:00
Roger Dingledine
efa9bb5535 fix the latest bug: don't explode when some router declares a 
bandwidthburst of 500 gigabytes.

this bug seems to have taken down most of the network. oops.


svn:r3523
 2005-02-03 22:58:22 +00:00
Roger Dingledine
2e97593d25 define TOR_FRAGILE if you want tor to give you a core when 
something goes wrong. this should only be used by people actively
tracking bugs.


svn:r3487
 2005-02-01 00:37:16 +00:00
Roger Dingledine
a0312f3590 don't double-detach a closing exit conn that's waiting for dns resolve 
svn:r3477
 2005-01-31 01:27:49 +00:00