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862 Commits

Author SHA1 Message Date
Nick Mathewson
2fc106d210 Force hybrid encryption on for key negotiation 
svn:r1509
 2004-04-06 20:55:46 +00:00
Nick Mathewson
40a5d6055e Stupid sizeof operator! 
svn:r1508
 2004-04-06 20:45:44 +00:00
Nick Mathewson
2446996f97 Remove vestigial variable 
svn:r1507
 2004-04-06 20:42:25 +00:00
Roger Dingledine
5eca39cdb4 checkpoint commit: rend closer to working, still not there yet 
svn:r1506
 2004-04-06 20:25:18 +00:00
Nick Mathewson
ef438b894c Set handshake_state to NULL before appending cpath hops 
svn:r1505
 2004-04-06 20:23:58 +00:00
Nick Mathewson
6290d027c9 Continue attack on magic numbers; use new crypto wrappers where possible 
svn:r1504
 2004-04-06 20:16:12 +00:00
Nick Mathewson
257d509b91 Document stuff, reduce magic numbers, add emacs magic 
svn:r1502
 2004-04-06 03:44:36 +00:00
Roger Dingledine
6e6cbaad95 fix the bob-can't-decode-relays bug 
now alice can send the begin and bob can receive it.


svn:r1499
 2004-04-05 23:40:59 +00:00
Roger Dingledine
077f133257 don't detach-and-retry rendezvous streams 
svn:r1498
 2004-04-05 22:43:01 +00:00
Nick Mathewson
0f74b68edd make router_get_by_nickname consider this router. 
svn:r1497
 2004-04-05 22:22:42 +00:00
Roger Dingledine
2bb18e62cb make rend apconn send to the right cpath layer 
and fix circuit_log_path to know about rend circs


svn:r1496
 2004-04-05 22:01:35 +00:00
Nick Mathewson
62b7ae6c9d More symbolic constants for checking rendezvous1 cell lengths 
svn:r1495
 2004-04-05 21:40:22 +00:00
Nick Mathewson
283593ca1b Use correct payload lengths when sending RENDEZVOUS1 cells 
svn:r1494
 2004-04-05 21:39:47 +00:00
Nick Mathewson
d371dda8f9 Spec conformance: KH|"INTRODUCE" is only for establishing intro pt 
svn:r1493
 2004-04-05 21:39:18 +00:00
Nick Mathewson
536a9b6c28 Add a missing offset 
svn:r1492
 2004-04-05 21:31:53 +00:00
Nick Mathewson
5033c366e1 Use symbolic constants; make padding types match. 
svn:r1491
 2004-04-05 21:15:14 +00:00
Nick Mathewson
04e8dc9026 Implement response to RENDEZVOUS2 cell. 
svn:r1490
 2004-04-05 20:53:50 +00:00
Nick Mathewson
b1a8b208ca Make init_cpath_crypto able to handle both sides of handshake, by adding a "reverse" flag 
svn:r1489
 2004-04-05 20:53:04 +00:00
Nick Mathewson
2d3aea40a4 It's amazing how wrong things look when you invert the booleans on your 
sanity checks.


svn:r1487
 2004-04-05 20:34:58 +00:00
Nick Mathewson
7b1939db2d Slightly more helpful msg on mismatched service pk digest in INTRODUCE2 cell 
svn:r1486
 2004-04-05 20:33:29 +00:00
Nick Mathewson
eafb8186e5 Do first half of Alice-side of DH handshake. 
svn:r1485
 2004-04-05 20:30:53 +00:00
Roger Dingledine
27126e5007 oaep uses 42 more bytes -- stop clobbering buffers 
also maybe fix some constants here and there -- nick?


svn:r1484
 2004-04-05 18:22:00 +00:00
Roger Dingledine
92bb5b2860 strdup the intro point when you pick it, so you 
don't free it and then return it


svn:r1483
 2004-04-05 17:56:34 +00:00
Roger Dingledine
ac84512489 complain early if we get an unrecognized nickname from 
bob's rend service descriptor


svn:r1482
 2004-04-05 17:51:00 +00:00
Nick Mathewson
12ede0a2c4 use the right variable when comparing hashes; maybe fix "Hash of session" bug 
svn:r1481
 2004-04-05 17:36:30 +00:00
Nick Mathewson
41387bea08 Expect a 20-byte nul-padded-and-terminated nickname 
svn:r1480
 2004-04-05 17:28:48 +00:00
Nick Mathewson
1e2b008700 Add some temporary log calls to try to debug the "Hash of session info was not as expected" problem 
svn:r1479
 2004-04-05 17:20:57 +00:00
Roger Dingledine
cebf16eaf0 if a rend stream has already been attached to a rend circ, 
then don't attach it again (and again, and again, and...)


svn:r1477
 2004-04-05 15:24:03 +00:00
Roger Dingledine
8a209bc4d3 send a destroy after we send an introduce 
svn:r1476
 2004-04-05 15:17:34 +00:00
Roger Dingledine
5b6099e8a2 more alice-side infrastructure 
handle rendezvous acks,
do rend begin cells right,
send an introduction cell (sort of)
receive a rendezvous2 cell (sort of)


svn:r1475
 2004-04-05 07:41:31 +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
Nick Mathewson
a9813f0210 Implement acks 
svn:r1470
 2004-04-03 04:55:22 +00:00
Nick Mathewson
3af1191023 Add func to generate,set,and send rend cookie 
svn:r1469
 2004-04-03 04:22:22 +00:00
Roger Dingledine
86f2ddc88d nick, can you make and send the rendezvous cookie? 
svn:r1467
 2004-04-03 04:05:30 +00:00
Nick Mathewson
b3c2b62a14 Make "common" no longer depend on or.h 
svn:r1466
 2004-04-03 04:05:12 +00:00
Nick Mathewson
cb07e2ad27 Strdup hates finding 0 bytes. 
svn:r1465
 2004-04-03 03:39:31 +00:00
Nick Mathewson
d93ff0b82f Handle rendezvous relay cells 
svn:r1464
 2004-04-03 03:37:11 +00:00
Roger Dingledine
7eaa655b6d publish and fetch the right rendezvous urls 
svn:r1463
 2004-04-03 03:33:57 +00:00
Nick Mathewson
ba196a9d17 Use (set|get)_uint(16|32) in lieu of memcpy where reasonable. 
svn:r1462
 2004-04-03 03:07:25 +00:00
Roger Dingledine
8a1ad2b84e more progress on alice's side 
svn:r1461
 2004-04-03 03:06:06 +00:00
Nick Mathewson
137b577bbd Refactor the heck out of crypto interface: admit that we will stick with one ciphersuite at a time, make const things const, and stop putting openssl in the headers. 
svn:r1458
 2004-04-03 02:40:30 +00:00
Roger Dingledine
4e996a4ce8 tabs 
svn:r1456
 2004-04-03 02:14:20 +00:00
Roger Dingledine
8c19d6e3d7 alice can intercept y.onion requests, do a lookup on them via tor, 
and receive a 404


svn:r1455
 2004-04-03 01:59:53 +00:00
Nick Mathewson
88e2a09c22 Startup without crashing. 
svn:r1452
 2004-04-03 01:11:04 +00:00
Nick Mathewson
fc4d15baf6 Hide smartlist internals 
svn:r1451
 2004-04-03 00:58:54 +00:00
Roger Dingledine
bbc9484957 fix some bugs; more remain 
svn:r1450
 2004-04-03 00:55:53 +00:00
Roger Dingledine
06c812c2de remember to lower-case the y in y.onion 
svn:r1449
 2004-04-03 00:27:33 +00:00
Roger Dingledine
2202c2c7ec AP conns use conn->rend_query now too 
expose connection_ap_handshake_attach_circuit()


svn:r1448
 2004-04-02 23:54:48 +00:00
Nick Mathewson
2bc2f1ed03 Finish renaming rend_service field 
svn:r1447
 2004-04-02 23:44:46 +00:00
Roger Dingledine
a8d805e292 break out circ->rend_service 
(this breaks the compile; must fix things)

let alice react when she learns a new rendezvous descriptor

let alice launch intro and rend circuits and mark them with her query


svn:r1446
 2004-04-02 23:38:26 +00:00
Nick Mathewson
e8345bfced refactor; start adding debugging logs to midpoint rend stuff 
svn:r1445
 2004-04-02 23:30:54 +00:00
Nick Mathewson
25a9bc594f Finish missing comment :p 
svn:r1444
 2004-04-02 23:04:10 +00:00
Nick Mathewson
08d748b6b3 Implement rennd_services_init 
svn:r1443
 2004-04-02 23:01:00 +00:00
Roger Dingledine
fc3d7383e7 router_choose_random_node can take a smartlist of nodes to exclude 
svn:r1442
 2004-04-02 22:30:39 +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
Nick Mathewson
4cb21bab48 Make preferred/excluded intro points configurable 
svn:r1440
 2004-04-02 22:06:46 +00:00
Nick Mathewson
a981c4099a Implement midpoint functionality for rendezvous points. 
svn:r1439
 2004-04-02 21:56:52 +00:00
Nick Mathewson
79fc52170e For hidden services: handle INTRODUCE2, send ESTABLISH_INTRO, RENDEZVOUS1. 
Also:
- Add a pending final cpath element to build_state
- Rename S_RENDEZVOUSING to S_CONNECT_REND
- Add [CS]_REND_JOINED
- Split out logic to initialize cpath crypto objects.
- Have circuits/cpaths remember the KH element from their handshake, so they
  can use it for other authentication later. (As in ESTABLISH_INTRO)


svn:r1438
 2004-04-01 22:21:01 +00:00
Nick Mathewson
6b958494f3 refactor to use new digest/checksig wrapper, add emacs magic, untabify 
svn:r1437
 2004-04-01 22:12:00 +00:00
Nick Mathewson
cbbd13f789 Add new functions to wrap digest and sign/checksig. 
svn:r1436
 2004-04-01 22:10:33 +00:00
Roger Dingledine
64cb3a027f teach directory servers to handle renddesc responses 
svn:r1434
 2004-04-01 21:32:01 +00:00
Roger Dingledine
05b99bcf7d alice chooses her rendezvous node from all running routers 
and she can set preferences in her options


svn:r1433
 2004-04-01 20:33:29 +00:00
Nick Mathewson
103b8ead40 Finish implementing what-bob-does-on-INTRODUCE2 
svn:r1432
 2004-04-01 20:05:57 +00:00
Roger Dingledine
f05937355e teach alice to recognize y.onion addresses 
svn:r1430
 2004-04-01 19:39:11 +00:00
Nick Mathewson
7993382ba1 Add some hooks to handle rendezvous-related cells at ORs 
svn:r1429
 2004-04-01 04:07:09 +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
Nick Mathewson
9feb44d3c4 Make it compile. 
svn:r1427
 2004-04-01 03:43:54 +00:00
Nick Mathewson
c671b10695 Add a (also fragmentary) function to handle introduction requests 
svn:r1426
 2004-04-01 03:34:05 +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
Nick Mathewson
35f531b94f Add helpful hybrid encryption functions 
svn:r1423
 2004-04-01 03:08:35 +00:00
Roger Dingledine
36ff23209b let alice recognize a y.onion address and, uhm, do something 
svn:r1422
 2004-04-01 02:41:41 +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
Nick Mathewson
6d8be5e6f6 Add relay command types for rendezvous 
svn:r1419
 2004-04-01 01:11:28 +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
28adda81e6 Add missing file 
svn:r1411
 2004-03-31 21:54:56 +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
157cd7fe15 Fix warning 
svn:r1409
 2004-03-31 20:58:35 +00:00
Roger Dingledine
b4a61d1ab1 better way: always nul-terminate. then sometimes use it, sometimes not. 
svn:r1408
 2004-03-31 05:10:34 +00:00
Roger Dingledine
87dbd36a3c let fetch_from_buf_http tolerate nuls in the http body 
teach directory.c about which places it needs to nul-terminate
body before it uses it, and which places it must not


svn:r1407
 2004-03-31 05:01:30 +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
Nick Mathewson
6ea61d5e0d Parse and generate service descriptors 
svn:r1403
 2004-03-31 02:07:38 +00:00
Roger Dingledine
670aeb6c8d add and use stubs for hidserv lookup and store 
svn:r1402
 2004-03-30 23:41:24 +00:00
Nick Mathewson
93ab51e9ac Make smartlist Do What Arma Expects. 
svn:r1401
 2004-03-30 22:59:00 +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
Nick Mathewson
96a86ef14d Remove maximum-size field from smartlists 
svn:r1397
 2004-03-30 20:05:52 +00:00
Nick Mathewson
0ba9ab5fb0 Add rendezvous-related metadata and code to circuits. Initially, we 
thought that a complicated adjunct structure would be necessary, but
it doesn't look that way anymore.

Of course, I might have forgotten something.


svn:r1396
 2004-03-30 19:52:42 +00:00
Nick Mathewson
6ea95488d2 Add more key manipulation functions, and base32 functions, to crypto 
svn:r1395
 2004-03-30 19:47:32 +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
Roger Dingledine
f796957182 don't freak people out as much with the warning message 
svn:r1378
 2004-03-30 00:06:59 +00:00
Roger Dingledine
c09b185f03 re-enable recommendedversion checking (oops, thanks weasel) 
svn:r1376
 2004-03-30 00:02:52 +00:00
Roger Dingledine
83c88c55fd old or skewed descriptor doesn't mean we failed to parse it 
svn:r1373
 2004-03-29 23:23:01 +00:00
Roger Dingledine
ce08baba1b refactor directories a smidgen 
svn:r1371
 2004-03-29 22:18:05 +00:00
Roger Dingledine
9723061dd9 first guess at a set of circuit purposes 
svn:r1370
 2004-03-29 22:14:19 +00:00
Roger Dingledine
bcda3ebaef bugfix: we were closing socks-request connections immediately, rather 
than flushing them, if they were timing out before we marked them


svn:r1366
 2004-03-29 20:04:09 +00:00
Roger Dingledine
7118c6177d clean up a few more bugs 
svn:r1365
 2004-03-29 19:57:50 +00:00
Roger Dingledine
155c777a84 fix typo 
svn:r1364
 2004-03-29 19:53:53 +00:00
Roger Dingledine
0edf0ea7cc make normal exit nodes less likely to crash from the conn-munging bug 
but leave dirservers just as likely to crash


svn:r1363
 2004-03-29 19:51:39 +00:00
Nick Mathewson
6a79b1cb57 Re-enable unit tests for directory generation. 
svn:r1362
 2004-03-29 19:50:59 +00:00