Commit Graph

28756 Commits

Author SHA1 Message Date
David Goulet
e12d4286bf doc: Add Module.md explaining Tor modules
Initial document that contains guidelines to write a new module in Tor.

Closes #25991

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-03 11:39:19 -04:00
David Goulet
319505d38c hs-v3: Remove extra white-space and clarify comment
From Neel's latest patch on optimizing the hs_circ_service_get_intro_circ()
digest calculation, remove an extra white-space and clarify a comment of the
legacy key digest to inform when to use it.

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-03 09:34:50 -04:00
David Goulet
2e8eb1d5e3 Merge remote-tracking branch 'asn/bug23107' 2018-05-03 09:33:42 -04:00
Isis Lovecruft
94dcd38a14
rust: Expose crypto_rand() as an impl of rand_core::RngCore. 2018-05-02 22:12:38 +00:00
Nick Mathewson
eb00eff09d Merge branch 'ticket25997' 2018-05-02 16:03:57 -04:00
David Goulet
1f739e9b06 dirauth: Move authdir_mode_v3() to module
This function must return false if the module is not compiled in. In order to
do that, we move the authdir_mode_v3() function out of router.c and into the
dirauth module new header file named mode.h.

It is always returning false if we don't have the module.

Closes #25990

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-02 13:42:24 -04:00
Nick Mathewson
e386d61c9b Make hs_get_responsible_hsdirs() deterministic.
This test was using the current time to pick the time period number,
and a randomly generated hs key.  Therefore, it sometimes picked an
index that would wrap around the example dht, and sometimes would
not.

The fix here is just to fix the time period and the public key.

Fixes bug 25997; bugfix on 0.3.2.1-alpha.
2018-05-02 10:17:46 -04:00
David Goulet
1ef1ed76d8 dirvote: Fix typo in comment
Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-02 09:06:40 -04:00
Nick Mathewson
246765342e Merge branch 'maint-0.3.1' into maint-0.3.2 2018-05-02 08:46:28 -04:00
Nick Mathewson
993e314c6f Merge branch 'maint-0.2.9' into maint-0.3.1 2018-05-02 08:46:28 -04:00
Nick Mathewson
c66b512671 Merge branch 'maint-0.3.2' into maint-0.3.3 2018-05-02 08:46:28 -04:00
Nick Mathewson
8625f36de1 Merge branch 'maint-0.3.3' 2018-05-02 08:46:28 -04:00
Nick Mathewson
f26d6ead21 Merge branch 'ticket25996' 2018-05-02 08:45:35 -04:00
teor
d465bd27ed
Stop logging stack contents when reading a zero-length bandwidth file
When directory authorities read a zero-byte bandwidth file, they log
a warning with the contents of an uninitialised buffer. Log a warning
about the empty file instead.

Fixes bug 26007; bugfix on 0.2.2.1-alpha.
2018-05-02 22:36:23 +10:00
Nick Mathewson
bf3e899dce Merge branch 'libressl_201805_029' into maint-0.3.3 2018-05-02 08:26:49 -04:00
Nick Mathewson
75f3fbaa3c LibreSSL compatibility fixes.
LibreSSL, despite not having the OpenSSL 1.1 API, does define
OPENSSL_VERSION in crypto.h.  Additionally, it apparently annotates
some functions as returning NULL, so that our unit tests need to be
more careful about checking for NULL so they don't get compilation
warnings.

Closes ticket 26006.
2018-05-02 08:22:05 -04:00
Georg Koppen
da8996d611 Bug 26000: Fix missing ";" 2018-05-02 07:46:05 -04:00
George Kadianakis
0c346bdd68 squash! Optimize legacy intro point digest calculation. 2018-05-02 14:09:15 +03:00
Neel Chauhan
af70d3c459 Optimize legacy intro point digest calculation. 2018-05-02 14:08:28 +03:00
teor
d96ddf8f1b
man page: FetchUselessDescriptors and DirCache exclude extra infos 2018-05-02 11:29:48 +10:00
teor
4a7590c241
man page: UseMicrodescriptors auto and 1 are the same now 2018-05-02 10:46:10 +10:00
teor
9b1d5e8826
man page: FetchUselessDescriptors stops tor going idle
Also explain how FetchUselessDescriptors and UseMicrodescriptors are
different.

Closes 25998.
2018-05-02 10:46:00 +10:00
Nick Mathewson
a2b53c1d0b coverage: Repeat the test for avoiding failed intro points
This test, in test_client_pick_intro(), will have different coverage
depending on whether it selects a good intro point the first time or
whether it has to try a few times.  Since it produces the shorter
coverage with P=1/4, repeat this test 64 times so that it only
provides reduced coverage with P=1/2^128.  The performance cost is
negligible.

Closes ticket 25996.  This test was introduced in 0.3.2.1-alpha.
2018-05-01 19:58:39 -04:00
Nick Mathewson
19b53e2645 Use a deterministic PRNG in test_circuit_timeout()
I'd prefer not to do this for randomized tests, but as things stand
with this test, it produces nondeterministic test coverage.

Closes ticket 25995; bugfix on 0.2.2.2-alpha when this test was
introduced.
2018-05-01 19:34:21 -04:00
Nick Mathewson
24299d385d Hold monotonic time constant during channel/outbound_cell test
This change should make it impossible for the monotonic time to roll
over from one EWMA tick to the next during this test, and make it so
that this test never invokes scale_active_circuits() (which it
doesn't test).

(Earlier changes during the 0.3.4 series should make this call even
rarer than it was before, since we fixed #25927 and removed
cached_gettimeofday.  Because this test didn't update
cached_gettimeofday, the chance of rolling over a 10-second interval
was much higher.)

Closes ticket 25994; bugfix on 0.3.3.1-alpha when this test was
introduced.
2018-05-01 18:44:11 -04:00
Nick Mathewson
60fad8d41f Stop using approx_time() in circuitmux_ewma.
It doesn't match with the tick-count code any longer.

Bug not in any released Tor.
2018-05-01 18:28:01 -04:00
Mike Perry
937260af6a Bug 25705: Don't count circuit path failures as build failures.
Also emit a rate limited log message when they happen, since they are likely
correlated with other issues.
2018-05-01 19:47:07 +00:00
Nick Mathewson
5162cf5021 Mark bug cases of addressmap_get_virtual_address as non-covered 2018-05-01 15:28:40 -04:00
Nick Mathewson
5c5392fea7 Merge remote-tracking branch 'github/eliminate_gettimeofday_cached' 2018-05-01 13:27:02 -04:00
Nick Mathewson
b396e4e429 Move unreachable port warnings to a periodic event.
Arguably, the conditions under which these events happen should be a
bit different, but the rules are complex enough here that I've tried
to have this commit be pure refactoring.

Closes ticket 25952.

Finally, before this code goes away, take a moment to look at the
amazing way that we used to try to have an event happen
every N seconds:

      get_uptime() / N != (get_uptime()+seconds_elapsed) / N

Truly, it is a thing of wonder.  I'm glad we didn't start using this
pattern everywhere else.
2018-05-01 13:14:18 -04:00
Alexander Færøy
60a2c92d10 Build Tor without dirauth module in Travis.
See: https://bugs.torproject.org/25953
2018-05-01 12:11:09 -04:00
David Goulet
895d20ab4b Add changes file for #25610
Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:45:34 -04:00
David Goulet
2b6c13267f dirvote: Make tokens a const in dirvote_parse_sr_commits()
Part of #25988

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:45:34 -04:00
David Goulet
5db331e8fc Make find_opt_by_keyword() take a const smartlist
Part of #25988

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:45:34 -04:00
David Goulet
70c92c3366 sr: Rename shared_random_common.{c|h} to shared_random_client.{c|h}
No code behavior change.

Pars of #25988

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:45:34 -04:00
David Goulet
2d79d0155e vote: Move dirvote_recalculate_timing() to voting_schedule.c
By doing so, it is renamed to voting_schedule_recalculate_timing(). This
required a lot of changes to include voting_schedule.h everywhere that this
function was used.

This effectively now makes voting_schedule.{c|h} not include dirauth/dirvote.h
for that symbol and thus no dependency on the dirauth module anymore.

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:45:34 -04:00
David Goulet
e504b1b358 vote: Namespace functions in voting_schedule.c
Rename them from dirvote_* to voting_schedule_*.

No code behavior change.

Part of #25988

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:43:23 -04:00
David Goulet
711ff6cdf7 Rename dirvote_common.{c|h} to voting_schedule.{c|h}
No code behavior change.

Part of #25988

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:43:23 -04:00
David Goulet
6452fe78c2 dirvote: Make dirvote_get_preferred_voting_intervals() static
This function doesn't need to be public from the dirvote common file (which
will get renamed in future commit) so move it to dirauth/dirvote.c and make it
static.

Part of #25988

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:43:23 -04:00
David Goulet
098b7fe25b ns: Move dirvote_get_voter_sig_by_alg() to networkstatus.c
It makes more sense to be in networkstatus.c so move it there and rename it
with the "networkstatus_" prefix.

Part of #25988

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-05-01 11:43:23 -04:00
Nick Mathewson
afd4fc689a Merge branch 'dirvote_act_refactor_v2_squashed' 2018-05-01 10:57:04 -04:00
Nick Mathewson
4a559e9960 Refactor to use safe_timer_diff. 2018-05-01 10:56:56 -04:00
Nick Mathewson
a73603653a Reschedule voting callback when any cfg option affecting it changes. 2018-05-01 10:54:54 -04:00
Nick Mathewson
234e317ef1 Ensure that voting is rescheduled whenever the schedule changes. 2018-05-01 10:54:54 -04:00
Nick Mathewson
6868398b69 Move responsibility for voting into a separate periodic callback.
Closes ticket25937.
2018-05-01 10:54:54 -04:00
Nick Mathewson
9870497f9d Update dirvote_act() to return the time of its next action.
This is remarkably simple, given the macros in the last commit.
2018-05-01 10:52:16 -04:00
Nick Mathewson
4f184415cc Start refactoring dirvote_act() towards self-scheduling
This change should have no behavioral effect: it just uses macros to
describe the current control flow.
2018-05-01 10:51:08 -04:00
Nick Mathewson
bbf0b92b1c Fix an assertion failure introduced by #25948
Apparently, we can decide our state is dirty before we create the
event to tell the mainloop that we should save it.  That's not a
problem, except for the assertion failure.
2018-05-01 10:47:44 -04:00
Nick Mathewson
9ece027d60 Merge remote-tracking branch 'ffmancera-1/bug20522' 2018-05-01 10:43:40 -04:00
Nick Mathewson
77b7eb2795 Remove responsibility for flushing log cbs from mainloop
This is now handled as-needed as the control module is flushing its
own callbacks.  Closes ticket 25951.
2018-05-01 10:38:46 -04:00