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* proto: Remove extra slashes in doc commentsGabriela Moldovan2025-12-011-2/+2
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* opentelemetry: Instrument a bunch of functions.Wesley Aptekar-Cassels2025-11-241-1/+5
| | | | | These are all aimed at figuring out in more detail what's going on in #2079 and related issues.
* proto: Remove unused code from testDavid Goulet2025-11-191-1/+0
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Remove a .expect() of a digest array conversionDavid Goulet2025-11-191-17/+15
| | | | | | | We know from the start that this is 32 bytes so no reason to hard fail if not, just propagate the right type from the start. Signed-off-by: David Goulet <[email protected]>
* proto: Update generic channel commentsDavid Goulet2025-11-191-9/+12
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Split VerifiedChannel::finish()David Goulet2025-11-191-23/+3
| | | | | | | | | | Move the client specific code into VerifiedClientChannel as in sending the NETINFO cell. The rest is pretty much boiler plate to build a channel reactor. The relay finish() code is coming in a followup commit. Signed-off-by: David Goulet <[email protected]>
* proto: Use the new client specific channelsDavid Goulet2025-11-191-17/+7
| | | | | | | | | By changing the connect() returned object we therefore officially make VerifiedChannel and UnverifiedChannel crate only objects. Thus, this commit changes visibility on most things. Signed-off-by: David Goulet <[email protected]>
* proto: Move client handshake into client channel moduleDavid Goulet2025-11-191-127/+3
| | | | | | | | | | | | | This only moves code from src/channel to src/client/channel. It introduces a ClientChanBuilder that is used to launch client specific channel by the public ChanBuilder. The followup commits will add a VerifiedClientChannel and UnverifiedClientChannel in order to again decouple client and relay code from the generic objects. Signed-off-by: David Goulet <[email protected]>
* proto: Add UnverifiedRelayChannel implementationDavid Goulet2025-11-191-101/+22
| | | | | | | | | | | | | | This commits takes out the relay specific code out of UnverifiedChannel and puts it in UnverifiedRelayChannel. In order to pull this off, we added some fiels to the VerifiedChannel struct so the relay code get back generated data from the UnverifiedChannel::check() in order to do its validation work and yield a VerifiedRelayChannel. This also lead to a cleanup of expect() and ChannelType::is_initiator(). Signed-off-by: David Goulet <[email protected]>
* Fix name of clippy lint to unchecked_time_subtraction (2)Ian Jackson2025-11-063-3/+3
| | | | Run maint/add_warning
* all: run cargo fmtSteven Engler2025-11-041-1/+1
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* all: replace all uses of `futures::task::SpawnExt` with `tor_rtcompat::SpawnExt`Steven Engler2025-11-041-1/+1
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* proto: Remove relay ChannelAuthenticationData builderDavid Goulet2025-10-231-18/+35
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Feature flag some relay specific codeDavid Goulet2025-10-231-8/+14
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Add relay todos for the handshakeDavid Goulet2025-10-231-0/+2
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Use Arc for relay identities objectDavid Goulet2025-10-231-1/+1
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Re-arrange some importsDavid Goulet2025-10-231-3/+1
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Add a note about channel canonicityDavid Goulet2025-10-231-0/+5
| | | | Signed-off-by: David Goulet <[email protected]>
* proto: Compute authenticate data after validating certificatesDavid Goulet2025-10-231-5/+50
| | | | | | | | | | | | | | This is only done if we kept the AUTH_CHALLENGE cell and we have relay identities. In other words, this is only when the UnverifiedChannel was created from a RelayInitiatorHandshake. Note: The check_internal() function is too large and should be refactored in smaller pieces. Note: It is also likely that we need to split UnverifiedChannel and VerifiedChannel as it is getting client or relay members. Not great. Signed-off-by: David Goulet <[email protected]>
* proto: Add the channel authentication dataDavid Goulet2025-10-231-0/+7
| | | | | | | | | | | This commit only adds a struct holding all the authentication data that needs to be built during the verification process after all handshake cells needed for authentication have been sent. It lives in the VerifiedChannel struct so it can be used to build the AUTHENTICATE cell and be sent before the NETINFO. Signed-off-by: David Goulet <[email protected]>
* proto: Add RelayInitiatorHandshakeDavid Goulet2025-10-231-1/+7
| | | | | | | This implements the relay initiator side of the handshake up to the creation of an unverified channel. Signed-off-by: David Goulet <[email protected]>
* proto: Change visibility for some channel objectsDavid Goulet2025-10-231-14/+14
| | | | | | | | | | Upcoming code for relay channels are put in the src/relay module and thus we need visibility into some channel generic things. Turns out also we don't need to re-export publicly UnverifiedChannel and VerifiedChannel. Signed-off-by: David Goulet <[email protected]>
* proto: Move celltypes out of clientGabriela Moldovan2025-10-132-4/+6
| | | | | Some of these are relay-specific, so it makes more sense to pull this into a top-level module.
* proto: experimental API to install a per-channel padder.Nick Mathewson2025-10-021-0/+14
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* proto: Implement channel padding with maybenot padders.Nick Mathewson2025-10-021-8/+95
| | | | With this commit we now actually generate padding when we're told to.
* proto: start implementing logic for padding actions.Nick Mathewson2025-10-021-2/+41
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* Add a blocker to channel outbound sink.Nick Mathewson2025-10-021-1/+12
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* proto: Make DynTimeProvider explicit in channel padder types.Nick Mathewson2025-10-021-2/+6
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* proto: Trigger maybenot events for channel-level padding.Nick Mathewson2025-10-021-7/+35
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* proto: Add maybenot padding objects to the channel reactorNick Mathewson2025-10-011-1/+16
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* opentelemetry: Add some instrument macros.Wesley Aptekar-Cassels2025-09-241-1/+4
| | | | | I've added these in places that are useful for the debugging that I've been doing.
* Merge branch 'expire-halfstream-cbt' into 'main'gabi-2502025-09-241-3/+9
|\ | | | | | | | | | | | | proto: Remove half-streams when they expire. Closes #264 See merge request tpo/core/arti!3267
| * circmgr: Pass the timeout estimator to circuit constructor (fmt).Gabriela Moldovan2025-09-161-2/+8
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| * circmgr: Pass the timeout estimator to circuit constructor.Gabriela Moldovan2025-09-161-3/+3
| | | | | | | | | | This enables us to read the CBT estimates from the circuit reactor (we need these to compute the half-stream timeouts for #264).
* | proto: resolve/edit trivial "TODO circpad" instances.Nick Mathewson2025-09-171-2/+6
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* | proto: for padding, count cells on each channel queues.Nick Mathewson2025-09-161-3/+1
|/ | | | We'll use this to implement `replace` for padding to the first hop.
* Merge branch 'maybenot-triggers' into 'main'Nick Mathewson2025-09-032-100/+204
|\ | | | | | | | | Circuit padding: note when cells are sent and received See merge request tpo/core/arti!3222
| * Whoops; let chains _still_ aren't stable in 1.85.Nick Mathewson2025-09-031-2/+1
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| * padding cleanup: use QueuedCellPaddingInfo one more place.Nick Mathewson2025-09-031-5/+3
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| * padding: Report when outbound cells are flushed.Nick Mathewson2025-09-022-3/+22
| | | | | | | | | | | | (This is what required us to stick a padding controller handle in each CircEnt, and what required us to accompany each queued cell with a QueuedPaddingCellInfo. Ouch!)
| * padding: Give CircEnt in a Channel a handle for the PaddingController.Nick Mathewson2025-09-022-88/+130
| | | | | | | | | | This requires some annoying plumbing to make sure that the right types wind up in the right places.
| * proto: Turn CircEnt variants into struct-like format.Nick Mathewson2025-09-022-29/+72
| | | | | | | | (I'm about to add more fields.)
| * padding: track which hop each queued cell is for.Nick Mathewson2025-09-021-5/+8
| | | | | | | | | | | | | | | | We'll need this so that we can tell the right padding machine(s) which of them just had a queue flush. This is not yet 100% done; the unfinished parts are marked with XXXXs.
* | proto: Move is_authenticating() into the base initiator handshake traitDavid Goulet2025-09-021-7/+10
| | | | | | | | | | | | | | | | Initiator always know if they will authenticate or not. Responder is different as a relay doesn't know until the end of the handshake if it is responding to a relay or a client. Signed-off-by: David Goulet <[email protected]>
* | proto: Various channel handshake fixesDavid Goulet2025-09-021-21/+38
| | | | | | | | | | | | | | | | | | | | These are following the review of MR 3182. They are put in a single commit because the git absorb has a large amount of conflicts on rebase and this commit allows the reviewers to see what happened. The base branch was rebased on main due to the need for 3184. Signed-off-by: David Goulet <[email protected]>
* | proto: Fix unit tests after changesDavid Goulet2025-09-021-5/+5
| | | | | | | | Signed-off-by: David Goulet <[email protected]>
* | proto: Add a helper to calculate the handshake clock skewDavid Goulet2025-09-021-12/+33
| | | | | | | | | | | | In the spirit of avoidin code duplication. Signed-off-by: David Goulet <[email protected]>
* | proto: Add a channel initiator handshake base traitDavid Goulet2025-09-021-76/+118
| | | | | | | | | | | | | | | | | | All initiator handshake will implement this in order to get access to the helper function to receive the relay responder cells. Relay will implement this in future commits. Signed-off-by: David Goulet <[email protected]>
* | proto: Introduce a ChannelBaseHandshake traitDavid Goulet2025-09-021-37/+96
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Client and relay handhsake share a lot of code because they both send/recv the same cells, just handles them differently for verification. This is the base trait for all handshake implementing basic getters and VERSIONS cell handling. This will allow the RelayInitiatorHandshake and RelayResponderHandshake to use this common code. See, traits are fun. Win-win-win. Signed-off-by: David Goulet <[email protected]>
* | proto: Put in a ChannelFrame<T> into the client handshakeDavid Goulet2025-09-021-10/+9
|/ | | | | | | | | | | | The ClientInitiatorHandshake holds a "tls" sink but the very first thing we do is transform it to a ChannelFrame<T>. Instead, just store the frame to the object directly so we can then use a channel frame uniformily accross its lifetime. This will be useful for the future refactoring paving the way for relay channel authentication. Signed-off-by: David Goulet <[email protected]>
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