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Thomas Eizinger 9302331881 refactor(connlib): create new UDP socket for each DNS query (#6999 )

This extracts the initial refactoring required for #6944. Currently,
`connlib` sends all DNS queries over the same UDP socket as all the p2p
traffic for gateways and relays. In an earlier design of `connlib`, we
already did something similar as we are doing here but using
`hickory_resolver` for the actual DNS resolution.

Instead of depending on hickory, we implement DNS resolution ourselves
by sending a UDP DNS query to the mapped upstream DNS server. There are
no retries, instead, we rely on the original DNS client to retry in case
a packet gets lost on the way.

Modelling recursive DNS queries as explicit events from the
`ClientState` is necessary for implement DNS over TCP and DNS over
HTTPS. In both cases, the query to the upstream server isn't as simple
as emitting a `Transmit`. By modelling the query as an `async fn` within
`Io`, it will be possible to perform them all in one place.

Resolves: #6297.

2024-10-11 22:33:22 +00:00

clients

chore: don't report authentication errors to sentry (#6948 )

2024-10-08 06:26:39 +00:00

model

refactor(connlib): repurpose connlib-shared as connlib-model (#6919 )

2024-10-03 14:47:58 +00:00

snownet

feat(snownet): introduce upsert_connection (#6937 )

2024-10-08 01:37:42 +00:00

tunnel

refactor(connlib): create new UDP socket for each DNS query (#6999 )

2024-10-11 22:33:22 +00:00

.gitignore

android: update connlib dependency and integration (#1752 )

2023-07-17 18:50:39 +00:00

README.md

chore(docs): Remove outdated rust/connlib/README.md info (#3099 )

2024-01-03 18:10:52 +00:00

README.md

Connlib

Firezone's connectivity library shared by all clients.

Building Connlib

You shouldn't need to build connlib directly; it's typically built as a dependency of one of the other Firezone components. See READMEs in those directories for relevant instructions.