Because of the latest changes on when we rotate, longer lifetime of
descriptors and no more overlap period, the tests needed to be improved to
test more functionnalities.
Signed-off-by: David Goulet <dgoulet@torproject.org>
First, this fixes#23372.
Second, the consensus timings for the build descriptor have been changed to
the current test can pass. More extensive tests of descriptor rotation are
coming in a commit near you because the rotation and time period logic has
been changed.
Signed-off-by: David Goulet <dgoulet@torproject.org>
Because of #23387, we've realized that there is one scenario that makes
the client unable to reach the service because of a desynch in the time
period used. The scenario is as follows:
+------------------------------------------------------------------+
| |
| 00:00 12:00 00:00 12:00 00:00 12:00 |
| SRV#1 TP#1 SRV#2 TP#2 SRV#3 TP#3 |
| |
| $==========|-----------$===========|-----------$===========| |
| ^ ^ |
| C S |
+------------------------------------------------------------------+
In this scenario the HS has a newer consensus than the client, and the
HS just moved to the next TP but the client is still stuck on the old
one. However, the service is not in any sort of overlap mode so it
doesn't cover the old TP anymore, so the client is unable to fetch a
descriptor.
We've decided to solve this by extending the concept of overlap period
to be permanent so that the service always publishes two descriptors and
aims to cover clients with both older and newer consensuses. See the
spec patch in #23387 for more details.
Use the valid_after time from the consensus to get the time period number else
we might get out of sync with the overlap period that uses valid_after.
Make it an optional feature since some functions require passing a
specific time (like hs_get_start_time_of_next_time_period()).
Signed-off-by: David Goulet <dgoulet@torproject.org>
We refactor the descriptor reupload logic to be similar to the v2 logic
where we update a global 'consider_republishing_rend_descriptors' flag
and then we use that to check for hash ring changes during the global
hidden service callbacks.
This fixes bugs where we would inspect the hash ring immediately as we
receive new dirinfo (e.g. consensus) but before running the hidden
service housekeeping events. That was leaving us in an inconsistent
state wrt hsdir indices and causing bugs all around.
We can't trigger a valid upload because it would require us to MOCK a long
list of functions ultimately not really testing the upload because we aren't
on a running network.
Signed-off-by: David Goulet <dgoulet@torproject.org>
Conflicts:
src/test/test_hs_service.c
- Fix various ssize_t/size_t confusions in the tests.
- Fix a weird memset argument:
"bad_memset: Argument -16 in memset loses precision in
memset(&desc_two->blinded_kp.pubkey.pubkey, -16, 32UL)."
- Fix check_after_deref instance in check_state_line_for_service_rev_counter():
"check_after_deref: Null-checking items suggests that it may be null,
but it has already been dereferenced on all paths leading to the
check."
To upload the descriptor we needed a state file to write the rev counters in,
but that test did not have a state file initialized.
Also fix the typo in its func name.
Signed-off-by: David Goulet <dgoulet@torproject.org>
We consider to be in overlap mode when we are in the period of time between a
fresh SRV and the beginning of the new time period (in the normal network this
is between 00:00 and 12:00 UTC). This commit edits that function to use the
above semantic logic instead of absolute times.
Signed-off-by: David Goulet <dgoulet@torproject.org>
Add a function for both the client and service side that is building a blinded
key from a keypair (service) and from a public key (client). Those two
functions uses the current time period information to build the key.
Signed-off-by: David Goulet <dgoulet@torproject.org>
There isn't much of a point of this buggy test afterall to add twice the same
service object but with a different key which ultinately can end up failing
the test because 1/N_BUCKETS of probability that we end up to put the service
in the same bucket.
Fixes#23023
Signed-off-by: David Goulet <dgoulet@torproject.org>
It makes more sense to have the version in the configuration object of the
service because it is afterall a torrc option (HiddenServiceVersion).
Signed-off-by: David Goulet <dgoulet@torproject.org>
This also adds unit test and a small python script generating a deterministic
test vector that a unit test tries to match.
Signed-off-by: David Goulet <dgoulet@torproject.org>
One of the goals of this change is to have trunnel API/ABI being more explicit
so we namespace them with "trn_*". Furthermore, we can now create
hs_cells.[ch] without having to confuse it with trunnel which used to be
"hs_cell_*" before that change.
Here are the perl line that were used for this rename:
perl -i -pe 's/cell_extension/trn_cell_extension/g;' src/*/*.[ch]
perl -i -pe 's/cell_extension/trn_cell_extension/g;' src/trunnel/hs/*.trunnel
perl -i -pe 's/hs_cell_/trn_cell_/g;' src/*/*.[ch]
perl -i -pe 's/hs_cell_/trn_cell_/g;' src/trunnel/hs/*.trunnel
And then "./scripts/codegen/run_trunnel.sh" with trunnel commit id
613fb1b98e58504e2b84ef56b1602b6380629043.
Fixes#21919
Signed-off-by: David Goulet <dgoulet@torproject.org>
