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More modules use this than I had expected!
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* ADD new /src/common/crypto_rand.[ch] module.
* ADD new /src/common/crypto_util.[ch] module (contains the memwipe()
function, since all crypto_* modules need this).
* FIXES part of #24658: https://bugs.torproject.org/24658
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connection_t.timestamp_lastwritten renamed to
connection_t.timestamp_last_write_allowed
connection_t.timestamp_lastread renamed to
connection_t.timestamp_last_read_allowed
Closes ticket 24714.
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This changes the control_event_hs_descriptor_requested() call to add the hsdir
index optional value. v2 passes NULL all the time.
This commit creates hs_control.{c|h} that contains wrappers for the HS
subsystem to interact with the control port subsystem.
The descriptor REQUESTED event is implemented following proposal 284 extension
for v3.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Make control_event_hs_descriptor_received() and
control_event_hs_descriptor_failed() v2 specific because they take a
rend_data_t object and v3 will need to pass a different object.
No behavior change.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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This is a naming refactor mostly _except_ for a the events' function that take
a rend_data_t which will require much more refactoring.
No behavior change at this commit, cleanup and renaming stuff to not be only
v2 specific.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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This function has been replaced by hs_client_receive_rendezvous_acked(() doing
the same exact thing for both v2 and v3 service.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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This moves it to hs_client.c so it can be used by both system (legacy and
prop224). For now, only the legacy system uses it.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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The client can now handle RENDEZVOUS2 cell when they arrive. This consolidate
both hidden service version in one function.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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The client is now able to handle an INTRODUCE_ACK cell and do the appropriate
actions.
An intro point failure cache is missing and a way to close all intro point
that were launched in parallel. Some notes are in the comment for that.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Also refactor rendclient.c to use the new hs_pick_hdsir() func.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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- Also add tests for the hidserv_req subsystem.
- Introduce purge_v2_hidserv_req() wrapper to simplify v2 code.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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See documentation of `last_hid_serv_requests_` for how it works. strmaps are
cool!
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Specifically move the pick_hsdir() function and all the HSDir request tracking
code. We plan to use all that code both for v2 and v3.
This commit only moves code.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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We need this func so that we recognize SOCKS conns to v3 addresses.
- Also rename rend_valid_service_id() to rend_valid_v2_service_id()
- Also move parse_extended_hostname() tests to their own unittest, and
add a v3 address to the test as well.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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The biggest offender here was sometimes not checking the output of
crypto_pk_get_digest.
Fixes bug 19418. Reported by Guido Vranken.
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We need to keep these around for TAP and old-style hidden services,
but they're obsolete, and we shouldn't encourage anyone to use them.
So I've added "obsolete" to their names, and a comment explaining
what the problem is.
Closes ticket 23026.
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These statistics were largely ununsed, and kept track of statistical information
on things like how many time we had done TLS or how many signatures we had
verified. This information is largely not useful, and would only be logged
after receiving a SIGUSR1 signal (but only if the logging severity level was
less than LOG_INFO).
* FIXES #19871.
* REMOVES note_crypto_pk_op(), dump_pk_op(), and pk_op_counts from
src/or/rephist.c.
* REMOVES every external call to these functions.
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This commit adds most of the work of #21859. It introduces hs_circuit.c
functions that can handle the setup of e2e circuits for prop224 hidden
services, and also for legacy hidden service clients. Entry points are:
prop224 circuits: hs_circuit_setup_e2e_rend_circ()
legacy client-side circuits: hs_circuit_setup_e2e_rend_circ_legacy_client()
This commit swaps the old rendclient code to use the new API.
I didn't try to accomodate the legacy service-side code in this API, since
that's too tangled up and it would mess up the new API considerably IMO (all
this service_pending_final_cpath_ref stuff is complicated and I didn't want to
change it).
Signed-off-by: David Goulet <dgoulet@torproject.org>
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circuit_init_cpath_crypto() is responsible for creating the cpath of legacy
SHA1/AES128 circuits currently. We want to use it for prop224 circuits, so we
refactor it to create circuits with SHA3-256 and AES256 as well.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Inform the control port with an HS_DESC failed event when the client is unable
to pick an HSDir. It's followed by an empty HS_DESC_CONTENT event. In order to
achieve that, some control port code had to be modified to accept a NULL HSDir
identity digest.
This commit also adds a trigger of a failed event when we are unable to
base64-decode the descriptor cookie.
Fixes #22042
Signed-off-by: David Goulet <dgoulet@torproject.org>
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This patch doesn't cover every case; omitted cases are marked with
"XXXX prop271", as usual. It leaves both the old interface and the
new interface for guard status notification, since they don't
actually work in the same way: the new API wants to be told when a
circuit has failed or succeeded, whereas the old API wants to know
when a channel has failed or succeeded.
I ran into some trouble with directory guard stuff, since when we
pick the directory guard, we don't actually have a circuit to
associate it with. I solved that by allowing guard states to be
associated with directory connections, not just circuits.
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Conflicts:
src/or/rendclient.c
src/or/rendcommon.c
src/or/routerparse.c
src/test/test_dir.c
src/trunnel/ed25519_cert.h
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Signed-off-by: David Goulet <dgoulet@torproject.org>
Signed-off-by: George Kadianakis <desnacked@riseup.net>
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In order to implement proposal 224, we need the data structure rend_data_t to
be able to accomodate versionning that is the current version of hidden
service (2) and the new version (3) and future version.
For that, we implement a series of accessors and a downcast function to get
the v2 data structure. rend_data_t becomes a top level generic place holder.
The entire rend_data_t API has been moved to hs_common.{c|h} in order to
seperate code that is shared from between HS versions and unshared code (in
rendcommon.c).
Closes #19024
Signed-off-by: David Goulet <dgoulet@torproject.org>
Signed-off-by: George Kadianakis <desnacked@riseup.net>
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Add experimental OnionServiceSingleHopMode and
OnionServiceNonAnonymousMode options. When both are set to 1, every
hidden service on a tor instance becomes a non-anonymous Single Onion
Service. Single Onions make one-hop (direct) connections to their
introduction and renzedvous points. One-hop circuits make Single Onion
servers easily locatable, but clients remain location-anonymous.
This is compatible with the existing hidden service implementation, and
works on the current tor network without any changes to older relays or
clients.
Implements proposal #260, completes ticket #17178. Patch by teor & asn.
squash! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! Implement Prop #260: Single Onion Services
Redesign single onion service poisoning.
When in OnionServiceSingleHopMode, each hidden service key is poisoned
(marked as non-anonymous) on creation by creating a poison file in the
hidden service directory.
Existing keys are considered non-anonymous if this file exists, and
anonymous if it does not.
Tor refuses to launch in OnionServiceSingleHopMode if any existing keys
are anonymous. Similarly, it refuses to launch in anonymous client mode
if any existing keys are non-anonymous.
Rewrite the unit tests to match and be more comprehensive.
Adds a bonus unit test for rend_service_load_all_keys().
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Also stop logging the intro point details on error by default.
Fixes #20012, introduced with ntor in tor 0.2.4.8-alpha.
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