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2015-02-02Merge remote-tracking branch 'public/bug9635_warnings_025'Nick Mathewson
Conflicts: src/test/test.c
2015-01-14Refactor cpuworker to use workqueue/threadpool code.Nick Mathewson
2015-01-02Bump copyright dates to 2015, in case someday this matters.Nick Mathewson
2014-12-19Add two hidden-service related statistics.George Kadianakis
The two statistics are: 1. number of RELAY cells observed on successfully established rendezvous circuits; and 2. number of .onion addresses observed as hidden-service directory. Both statistics are accumulated over 24 hours, obfuscated by rounding up to the next multiple of a given number and adding random noise, and written to local file stats/hidserv-stats. Notably, no statistics will be gathered on clients or services, but only on relays.
2014-10-28Add another year to our copyright dates.Nick Mathewson
Because in 95 years, we or our successors will surely care about enforcing the BSD license terms on this code. Right?
2014-10-16Downgrade 'invalid result from curve25519 handshake: 4' warningNick Mathewson
Also, refactor the way we handle failed handshakes so that this warning doesn't propagate itself to "onion_skin_client_handshake failed" and "circuit_finish_handshake failed" and "connection_edge_process_relay_cell (at origin) failed." Resolves warning from 9635.
2014-07-28Merge branch 'maint-0.2.4' into maint-0.2.5Roger Dingledine
2014-07-28Warn and drop the circuit if we receive an inbound 'relay early' cellRoger Dingledine
Those used to be normal to receive on hidden service circuits due to bug 1038, but the buggy Tor versions are long gone from the network so we can afford to resume watching for them. Resolves the rest of bug 1038; bugfix on 0.2.1.19.
2014-07-25circuit_build_failed: distinguish "first hop chan failed", "CREATE failed"Nick Mathewson
Roger spotted this on tor-dev in his comments on proposal 221. (Actually, detect DESTROY vs everything else, since arma likes network timeout indicating failure but not overload indicating failure.)
2014-06-13Also raise the check for 0 circuit ID in created cell.Nick Mathewson
And add a comment about why conditions that would cause us to drop a cell should get checked before actions that would cause us to send a destroy cell. Spotted by 'cypherpunks'. And note that these issues have been present since 0.0.8pre1 (commit 0da256ef), where we added a "shutting down" state, and started responding to all create cells with DESTROY when shutting down.
2014-06-10Move circuit-id-in-use check for CREATE cells to before all other checksNick Mathewson
This means that we never send a DESTROY cell in response to an attempt to CREATE an existing circuit. Fixes bug 12191.
2014-06-04Merge remote-tracking branch 'public/bug12195'Nick Mathewson
2014-06-03Fix ancient code that only checked circ_id, not circ_id and chanNick Mathewson
This code mis-handled the case where a circuit got the same circuit ID in both directions. I found three instances of it in the codebase, by grepping for [pn]_circ_id. Because of the issue in command_process_relay_cell(), this would have made roughly one circuit in a million completely nonfunctional. Fixes bug 12195.
2013-11-01Merge branch 'prop221_squashed_024'Nick Mathewson
Conflicts: src/or/or.h
2013-11-01circuit_build_failed: distinguish "got DESTROY" caseNick Mathewson
Roger spotted this on tor-dev in his comments on proposal 221. We etect DESTROY vs everything else, since arma likes network timeout indicating failure but not overload indicating failure.
2013-10-28Merge branch 'morestats4' into morestats5Karsten Loesing
Conflicts: doc/tor.1.txt src/or/config.c src/or/connection.h src/or/control.c src/or/control.h src/or/or.h src/or/relay.c src/or/relay.h src/test/test.c
2013-09-05collect and log statistics about onionskins received/processedRoger Dingledine
we skip onionskins that came from non-relays, so we're less likely to run into privacy troubles. starts to implement ticket 9658.
2013-05-25Tweak CELL_STATS event based on comments by nickm.Karsten Loesing
- Move cell_command_to_string from control.c to command.c. - Use accessor for global_circuitlist instead of extern. - Add a struct for cell statistics by command instead of six arrays. - Split up control_event_circuit_cell_stats by using two helper functions. - Add TestingEnableCellStatsEvent option. - Prepare functions for testing. - Rename a few variables and document a few things better.
2013-03-10Fix 8447: use %u to format circid_t.Nick Mathewson
Now that circid_t is 4 bytes long, the default integer promotions will leave it alone when sizeof(int) == 4, which will leave us formatting an unsigned as an int. That's technically undefined behavior. Fixes bug 8447 on bfffc1f0fc7616a25c32da2eb759dade4651659e. Bug not in any released Tor.
2013-02-15Merge remote-tracking branch 'public/wide_circ_ids'Nick Mathewson
Conflicts: src/or/channel.h src/or/connection_or.c src/or/cpuworker.c
2013-01-16Update the copyright date to 201.Nick Mathewson
2013-01-15Forward-port fix for 7889Nick Mathewson
2013-01-15Merge remote-tracking branch 'origin/maint-0.2.3'Nick Mathewson
2013-01-14Reject create/begin/etc cells with {circ,stream}ID 0.Nick Mathewson
Otherwise, it's possible to create streams or circuits with these bogus IDs, leading to orphaned circuits or streams, or to ones that can cause bandwidth DOS problems. Fixes bug 7889; bugfix on all released Tors.
2013-01-03Enable handling of create2/extend2/created2/extended2Nick Mathewson
2013-01-03Use created_cell_format where appropriateNick Mathewson
2013-01-03Teach cpuworker and others about create_cell_t and friendsNick Mathewson
The unit of work sent to a cpuworker is now a create_cell_t; its response is now a created_cell_t. Several of the things that call or get called by this chain of logic now take create_cell_t or created_cell_t too. Since all cpuworkers are forked or spawned by Tor, they don't need a stable wire protocol, so we can just send structs. This saves us some insanity, and helps p
2013-01-03Massive refactoring of the various handshake typesNick Mathewson
The three handshake types are now accessed from a unified interface; their state is abstracted from the rest of the cpath state, and so on.
2013-01-02Split onion.[ch] into onion{,_fast,_tap}.[ch]Nick Mathewson
I'm going to want a generic "onionskin" type and set of wrappers, and for that, it will be helpful to isolate the different circuit creation handshakes. Now the original handshake is in onion_tap.[ch], the CREATE_FAST handshake is in onion_fast.[ch], and onion.[ch] now handles the onion queue. This commit does nothing but move code and adjust header files.
2012-11-06Allow a v4 link protocol for 4-byte circuit IDs.Nick Mathewson
Implements proposal 214. Needs testing.
2012-10-23Fix a remotely triggerable assertion failure (CVE-2012-2250)Nick Mathewson
If we completed the handshake for the v2 link protocol but wound up negotiating the wong protocol version, we'd become so confused about what part of the handshake we were in that we'd promptly die with an assertion. This is a fix for CVE-2012-2250; it's a bugfix on 0.2.3.6-alpha. All servers running that version or later should really upgrade. Bug and fix from "some guy from France." I tweaked his code slightly to make it log the IP of the offending node.
2012-10-17Discard extraneous renegotiation attempts in the v3 link protocolNick Mathewson
Failure to do so left us open to a remotely triggerable assertion failure. Fixes CVE-2012-2249; bugfix on 0.2.3.6-alpha. Reported by "some guy from France".
2012-10-15Merge remote-tracking branch 'public/bug1031'Nick Mathewson
2012-10-13fix trivial typoRoger Dingledine
2012-10-12Rename all reserved C identifiers we definedNick Mathewson
For everything we declare that starts with _, make it end with _ instead. This is a machine-generated patch. To make it, start by getting the list of reserved identifiers using: git ls-tree -r --name-only HEAD | grep '\.[ch]$' | \ xargs ctags --c-kinds=defglmpstuvx -o - | grep '^_' | \ cut -f 1 | sort| uniq You might need gnu ctags. Then pipe the output through this script: ============================== use strict; BEGIN { print "#!/usr/bin/perl -w -i -p\n\n"; } chomp; next if ( /^__attribute__/ or /^__func__/ or /^_FILE_OFFSET_BITS/ or /^_FORTIFY_SOURCE/ or /^_GNU_SOURCE/ or /^_WIN32/ or /^_DARWIN_UNLIMITED/ or /^_FILE_OFFSET_BITS/ or /^_LARGEFILE64_SOURCE/ or /^_LFS64_LARGEFILE/ or /^__cdecl/ or /^__attribute__/ or /^__func__/ or /^_WIN32_WINNT/); my $ident = $_; my $better = $ident; $better =~ s/^_//; $better = "${better}_"; print "s/(?<![A-Za-z0-9_])$ident(?![A-Za-z0-9_])/$better/g;\n"; ============================== Then run the resulting script on all the files you want to change. (That is, all the C except that in src/ext.) 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2012-10-10Merge branch 'bug6816_squashed_nowarn' of git://git.torproject.org/nickm/torAndrea Shepard
2012-10-09Split channel_t into channel_t and channel_listener_t; get rid of that big unionAndrea Shepard
2012-10-08Use typedefs for function pointer return values and s/listener/listener_fn/ ↵Andrea Shepard
for distinctness
2012-10-08Use U64_FORMAT/U64_PRINTF_ARG rather than %lu for channel_tAndrea Shepard
2012-10-08Use channel_t in cmd.cAndrea Shepard
2012-10-05Downgrade "Failed to hand off onionskin" messagesRoger Dingledine
They're typically redundant with the "Your computer is too slow" messages. Fixes bug 7038; bugfix on 0.2.2.16-alpha. (In retrospect, we should have fixed this bug back in ticket 1042.)
2012-10-04Merge remote-tracking branch 'origin/maint-0.2.3'Nick Mathewson
2012-10-03Refuse extra create cells with reason "resource limit"Roger Dingledine
In the past we had used reason "internal", which is more vague than it needs to be. Resolves bug 7037.
2012-08-21Fetch IPv6 address from NETINFO "other OR's address" field.Linus Nordberg
The my_apparent_addr is still unused, apart from now being logged in the "Got good NETINFO cell" info message.
2012-06-04Update copyright dates to 2012; add a few missing copyright statementsNick Mathewson
2012-05-30Merge remote-tracking branch 'linus/bug4369'Nick Mathewson
2012-05-29Fix minor typo in warning printout.Linus Nordberg
2012-05-18Extract data from DESTROY cell _after_ protocol violation checks.George Kadianakis
2012-04-27Close OR connections that send junk before AUTHORIZE/VERSIONSNick Mathewson
Fix for 4369.
2012-03-08Merge remote-tracking branch 'public/bug4361'Nick Mathewson
Conflicts: src/or/command.c
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