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221 Commits

Author SHA1 Message Date
Nick Mathewson
6f5dbefa7e Normalize space: add one between every control keyword and control clause. 
svn:r3003
 2004-11-28 09:05:49 +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
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
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
Roger Dingledine
85c79ffbc7 canonicalize "src" and "dest" arg order in crypto.c (and others) 
svn:r2644
 2004-11-02 02:28:51 +00:00
Nick Mathewson
a42adce362 fix memory leak in router.c; start relying on NULL==(zero bytes) 
svn:r2538
 2004-10-16 20:38:57 +00:00
Roger Dingledine
aebc3a03ba more int to size_t conversions, fixing one or more amd64 bugs 
plus a whitespace patch on config.c from vicman


svn:r2482
 2004-10-14 02:47:09 +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
ef561c0e42 Break files apart into more modules 
* \file circuitbuild.c
 * \brief The actual details of building circuits.

 * \file circuitlist.c
 * \brief Manage the global circuit list.

 * \file circuituse.c
 * \brief Launch the right sort of circuits, attach streams to them.

 * \file connection_edge.c
 * \brief Handle edge streams.

 * \file onion.c
 * \brief Functions to queue create cells, and handle onionskin
 * parsing and creation.

 * \file relay.c
 * \brief Handle relay cell encryption/decryption, plus packaging and
 * receiving from circuits.


svn:r1863
 2004-05-13 07:24:49 +00:00
Nick Mathewson
9c3fba5c3b Not every RSA decrypt should warn on failure. 
svn:r1853
 2004-05-12 19:30:28 +00:00
Nick Mathewson
81922a125c More doxygenation. 
svn:r1832
 2004-05-10 04:34:48 +00:00
Roger Dingledine
21e094a5d3 function header comments for onion.c, including doxygen markup 
svn:r1826
 2004-05-10 02:36:04 +00:00
Roger Dingledine
28f034e10a now assume all routers support rendezvous cells 
svn:r1699
 2004-04-25 21:32:04 +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
0fca143ea1 Remove onion_pkey from connection, since onion keys can change more often than connections. Also add more log messages 
svn:r1693
 2004-04-25 19:04:11 +00:00
Nick Mathewson
c44016e86e Merge flagday into main branch. 
svn:r1683
 2004-04-24 22:17:50 +00:00
Roger Dingledine
01e594e512 clean up some warnings 
svn:r1651
 2004-04-17 06:34:20 +00:00
Roger Dingledine
49f5e5b4ae handle more purposes in new_route_len 
svn:r1618
 2004-04-14 05:06:08 +00:00
Roger Dingledine
c5052bec95 normal circs are 3 hops, but rend/intro circs are 4, because 
the initiator doesn't get to choose the last hop


svn:r1595
 2004-04-12 18:40:14 +00:00
Roger Dingledine
6cf584b765 clean up choose_good_exit_server() 
svn:r1542
 2004-04-07 23:31:29 +00:00
Nick Mathewson
10b48fee28 Generating data does no good if you make no use of it 
svn:r1534
 2004-04-07 21:44:24 +00:00
Nick Mathewson
8169da5c30 Don't use Tor version 0.0.5 for intro/rendezvous points. (We don't need 
to worry about 0.0.4 or earlier, because nobody is running them any more.)


svn:r1533
 2004-04-07 21:36:03 +00:00
Roger Dingledine
93801ac40d don't pick myself or my twins as hops when building circuits 
svn:r1531
 2004-04-07 21:12:54 +00:00
Nick Mathewson
789df20e7d There is no need to cast void* to other pointer types. 
svn:r1524
 2004-04-07 20:11:28 +00:00
Nick Mathewson
75c19716a8 Put ourself in router list; act accordingly. 
svn:r1521
 2004-04-07 19:46:27 +00:00
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
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
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
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
fc4d15baf6 Hide smartlist internals 
svn:r1451
 2004-04-03 00:58:54 +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
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
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
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
93ab51e9ac Make smartlist Do What Arma Expects. 
svn:r1401
 2004-03-30 22:59:00 +00:00
Nick Mathewson
96a86ef14d Remove maximum-size field from smartlists 
svn:r1397
 2004-03-30 20:05:52 +00:00
Roger Dingledine
45699bb5ee clean up some 'warn' messages while i'm at it 
svn:r1342
 2004-03-26 22:28:16 +00:00
Roger Dingledine
c195f69058 isspace and friends take an int. solaris cares. 
svn:r1303
 2004-03-19 20:50:12 +00:00
Roger Dingledine
208625ae31 clean up some presentation and comments 
svn:r1294
 2004-03-18 19:22:56 +00:00
Roger Dingledine
de146de0c5 make circuit-building less noisy when a node in your exclude/exit/entrynodes is down 
svn:r1206
 2004-03-03 03:02:06 +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
70c43e152a note bug in assert_connection_ok 
svn:r1159
 2004-02-28 07:48:28 +00:00
Roger Dingledine
b354ecfecd rename ExcludedNodes config option to ExcludeNodes 
svn:r1155
 2004-02-28 05:09:37 +00:00
Roger Dingledine
46ffc5984d best_support_idx is obsolete 
(also doesn't fix the bug)


svn:r1097
 2004-02-17 08:42:25 +00:00
Nick Mathewson
bd14023afd Propagate yes/no/maybe a little farther forward. 
svn:r1096
 2004-02-17 08:29:22 +00:00
Roger Dingledine
d508a194f7 Let paranoid exit nodes (which default to reject) be exit nodes 
Before we resolve the hostname, we don't know whether its IP will                        be accepted or rejected by the exit policy of each host. So we                           were only going with nodes that would certainly accept -- which
was just itys and poblano.

(This bug was hidden until now by the earlier port bug.)

(Actual bugfix pending on Nick's next commit, hopefully.)


svn:r1092
 2004-02-17 07:45:44 +00:00
Nick Mathewson
17adfa9dfd log when exit situation is hopeless. 
svn:r1057
 2004-02-04 22:35:58 +00:00
Roger Dingledine
f6f9b1d94d for perf testing, paths are always 3 hops, not "3 or more" 
svn:r1030
 2004-01-30 23:43:17 +00:00
Roger Dingledine
e05d39d1af fix a per-circuit memory leak 
svn:r1029
 2004-01-30 21:32:40 +00:00
Roger Dingledine
afdaff63ef turn some knobs, add more debugging 
svn:r1023
 2004-01-30 19:31:39 +00:00
Roger Dingledine
61723a1f69 small default route when doing speed testing 
svn:r1010
 2004-01-20 03:12:46 +00:00
Roger Dingledine
db0c27b362 resolve cygwin warnings for pre19 
svn:r981
 2004-01-08 22:48:18 +00:00
Roger Dingledine
d6ce65afd6 the onionskin challenge length was 30 bytes longer than necessary 
(i think ;)


svn:r971
 2004-01-05 05:23:03 +00:00
Roger Dingledine
6a19e64066 remove trailing whitespace 
svn:r951
 2003-12-17 21:09:31 +00:00
Roger Dingledine
aba237e3e2 end-to-end integrity checking now works 
initialize digests from shared secrets at handshake
make circuit_send_next_onion_skin use connection_edge_send_command


svn:r948
 2003-12-17 05:58:30 +00:00
Roger Dingledine
8712a30e91 move cell size to 512 bytes 
move length to 2 bytes, put it in the relay header
remove 4 reserved bytes in cell
add 4 bytes to relay header for the integrity check


svn:r942
 2003-12-16 09:48:17 +00:00
Roger Dingledine
961ecf7abf add H(K|1) to the onionskin reply 
verify it at the client end
abstract the onionskin handshake lengths

breaks backward compatibility (again)


svn:r941
 2003-12-16 08:21:58 +00:00
Roger Dingledine
8f573c06c3 start to track the 'unexpected relay cell' warning 
svn:r928
 2003-12-14 06:50:44 +00:00
Roger Dingledine
1096eae543 add options.ExcludedNodes -- nodes that are never picked in path building 
svn:r924
 2003-12-14 05:08:28 +00:00
Roger Dingledine
29adf04683 more general cleanup 
svn:r915
 2003-12-14 00:12:02 +00:00
Roger Dingledine
78a7de300c make options.ExitNodes work 
if your best choices happen to include any of your preferred exit nodes,
you choose among just those preferred exit nodes.


svn:r911
 2003-12-13 23:32:57 +00:00
Roger Dingledine
9e6f4a3029 revamp circuit node selection to use smartlists: 
* now we know for sure if an acceptable node is available; we
    don't have to keep guessing and checking
  * we try options.EntryNodes first for picking the first node


svn:r904
 2003-12-13 07:01:46 +00:00
Roger Dingledine
c425f2e0ec use the smartlist to pick random routers, rather than our own idiom 
svn:r898
 2003-12-13 01:43:21 +00:00
Roger Dingledine
9c66e2bf9a if >=2 circs are being built that handle a given stream, 
no need to have new circs handle it too.


svn:r896
 2003-12-12 23:03:25 +00:00
Roger Dingledine
ea6c4f6348 our circuit symmetric key (for aes) is 127 bits, not 128 bits. 
we accept that.


svn:r892
 2003-12-09 01:04:40 +00:00
Roger Dingledine
8bd7c94bf6 general cleanups 
svn:r889
 2003-12-07 22:03:47 +00:00
Roger Dingledine
c25fbd2676 break routers.c into router.c for stuff the router does, 
and routerlist.c for handling routerlist.


svn:r887
 2003-12-06 05:54:04 +00:00
Roger Dingledine
e0952d0773 terminology shift: 
directory is the string that dirserv.c and directory.c deal with
routerlist is routerinfo's that are bundled together in routers.c

rename some of the get_routerlist functions to set_routerlist

preparing to break into router.c for stuff the router does,
and routerlist.c for handling routerlist.


svn:r886
 2003-12-05 09:51:49 +00:00
Roger Dingledine
63f81bddae pick nodes for a circuit only from those the directory says are up 
svn:r880
 2003-12-03 10:28:51 +00:00
Roger Dingledine
99db996aef stop segfault when choose_good_exit_server returns NULL 
svn:r879
 2003-12-03 10:04:44 +00:00
Roger Dingledine
d172fdd300 fix vicious bug in connection_ap_attach_pending that caused it to 
never work.
fix vicious bug in choose_good_exit_server that caused it to *skip over*
  pending circuits, and look only at *non-pending circuits*, when choosing
  a good exit node for the new circuit.
bugfix: remove incorrect asserts in circuit_get_newest()


svn:r876
 2003-12-03 09:50:02 +00:00
Roger Dingledine
f65e871bfd bugfix in exit node choice: we used to find the perfect exit node but then use the wrong one. 
bugfix in connection_ap_can_use_exit: it was using the wrong port
bugfix: the OP now handles a port of '*' correctly when the IP is not
  yet known and it's trying to guess whether a router's exit policy
  might accept it.
we now don't ever pick exit routers which will reject *:*
attach_circuit now fails a new stream outright if it will never work.
when you get an 'end' cell that resolves an IP, now it will fail the                             circuit outright if no safe exit nodes exist for that IP.
don't try building a new circuit after an 'end' if a suitable one is
  already on the way.


svn:r874
 2003-12-03 08:06:55 +00:00
Roger Dingledine
975bb68010 simplify: options.OnionRouter==1 iff options.ORPort>0 
svn:r857
 2003-11-20 17:49:45 +00:00
Nick Mathewson
3d145769de Patch last patch to last patch 
svn:r845
 2003-11-19 01:35:44 +00:00
Nick Mathewson
dde0eb6570 Patch last patch. 
svn:r843
 2003-11-19 01:28:57 +00:00
Nick Mathewson
0e5abcb635 Skip non-running routers for exit node selection 
svn:r842
 2003-11-19 01:24:19 +00:00
Roger Dingledine
25ac8857f3 bugfix: sometimes we closed a circ while cpuworker was cranking, 
and it didn't notice


svn:r841
 2003-11-18 21:12:17 +00:00
Roger Dingledine
f0cccc567e bugfix: don't ask for ->next of an expired circuit 
bugfix: keep going when a circ fails in circuit_n_conn_open
        (make circuit_enumerate_by_naddr_nport obsolete)
bugfix: make circuit_n_conn_open only look at circ's that start at us
bugfix: only try circuit_n_conn_open if we're an OP. Otherwise we
        expect connections to always already be up.
bugfix: when choosing path length, pay attention to whether the directory
        says a router is down.
bugfix: when picking good exit, skip routers which are known to be down
        (more work needs to be done on this one)


svn:r838
 2003-11-18 09:53:03 +00:00
Roger Dingledine
ac56486bf6 use the tor_malloc_zero wrapper 
svn:r837
 2003-11-18 08:20:19 +00:00
Nick Mathewson
f42c77f618 "I don't think it's quite fair to condemn a whole program because of a 
single slip-up."
            -- General "Buck" Turgidson, _Doctor Strangelove_


svn:r828
 2003-11-17 08:15:37 +00:00
Nick Mathewson
ac5fc456ee comment choose_good_exit_server 
svn:r822
 2003-11-17 06:02:41 +00:00
Nick Mathewson
53ab335787 Fix a segfault caused by a weird logic error and masked by another. 
svn:r820
 2003-11-17 01:20:35 +00:00
Roger Dingledine
5e81e4748e bugfixes 
svn:r818
 2003-11-16 23:43:08 +00:00
Roger Dingledine
fe856406be initial patches on patches 
svn:r814
 2003-11-16 17:00:02 +00:00
Nick Mathewson
8a17d9e5d3 Finish implementing the rest of the exitpolicy stuff, except for automatically starting circuit builds. 
svn:r813
 2003-11-16 05:33:45 +00:00
Nick Mathewson
a8eaa79e03 Improved exit policy syntax; basic client-side DNS caching. 
- Exit policies now support bitmasks (18.0.0.0/255.0.0.0) and bitcounts
  18.0.0.0/8.  Policies are parsed on startup, not when comparing to them.

- desired_path_len is now part of an opaque cpath_build_state_t structure.

- END_REASON_EXITPOLICY cells no longer include a port.

- RELAY_COMMAND_CONNECTED cells now include the IP address we've connected
  to.

- connection_edge now has a client_dns cache to remember resolved addresses.
  It gets populated by RELAY_COMMAND_CONNECTED cells and END_REASON_EXITPOLICY
  cells.  It gets used by connection_ap_handshake_send_begin.  We don't
  compare it to exit policies yet.


svn:r812
 2003-11-14 20:45:47 +00:00
Roger Dingledine
c8639b2bbc bump default pathlen to 3; clean up surrounding code 
svn:r810
 2003-11-13 23:01:56 +00:00
Roger Dingledine
f5829aa723 lay groundwork for EntryNodes and ExitNodes 
svn:r805
 2003-11-12 19:34:34 +00:00
Nick Mathewson
785f5cdac8 Make crypto_pseudo_rand* never fail. 
svn:r797
 2003-11-12 04:12:35 +00:00
Nick Mathewson
2e05b9ccf9 Remove dead code 
svn:r794
 2003-11-12 02:58:45 +00:00
Nick Mathewson
7d441ec6b4 Compute paths as we build them. 
svn:r793
 2003-11-12 02:55:38 +00:00
Nick Mathewson
e6296a4e2f Refactor onion_generate_cpath to build cpaths one hop at a time. This 
is a the first step in computing hops one step at a time.  Next, we move
the responsibility for calling onion_extend_cpath into circuit.c

(Later, we may want to special-case onion_extend_cpath to treat entry
and exit routers differently.)


svn:r792
 2003-11-12 02:32:20 +00:00
Nick Mathewson
7bde42676b Rename aci to circ_id throughout. 
svn:r784
 2003-11-11 03:01:48 +00:00
Roger Dingledine
e4127e4d36 move closer to being able to reload config on HUP 
rename APPort to SocksPort
introduce new tor_free() macro


svn:r642
 2003-10-21 09:48:17 +00:00
Roger Dingledine
b9628f266f change WARNING to WARN 
and fix a few typos


svn:r571
 2003-10-10 01:48:32 +00:00
Nick Mathewson
ecfb36823e Refactor, rename, and clarify 
svn:r569
 2003-10-09 18:45:14 +00:00
Nick Mathewson
36939303c9 Update LICENSE and copyright dates. 
svn:r560
 2003-10-08 02:04:08 +00:00