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deefabd8f8
Refs #3636 (This pays down some of the technical debt from Linux DNS) Refs #4473 (This partially fulfills it) Refs #5068 (This is needed to make `FIREZONE_DNS_CONTROL` mandatory) As of dd6421: - On both Linux and Windows, DNS control and IP setting (i.e. `on_set_interface_config`) both move to the Client - On Windows, route setting stays in `tun_windows.rs`. Route setting in Windows requires us to know the interface index, which we don't know in the Client code. If we could pass opaque platform-specific data between the tunnel and the Client it would be easy. - On Linux, route setting moves to the Client and Gateway, which completely removes the `worker` task in `tun_linux.rs` - Notifying systemd that we're ready moves up to the headless Client / IPC service ```[tasklist] ### Before merging / notes - [x] Does DNS roaming work on Linux on `main`? I don't see where it hooks up. I think I only set up DNS in `Tun::new` (Yes, the `Tun` gets recreated every time we reconfigure the device) - [x] Fix Windows Clients - [x] Fix Gateway - [x] Make sure connlib doesn't get the DNS control method from the env var (will be fixed in #5068) - [x] De-dupe consts - [ ] ~~Add DNS control test~~ (failed) - [ ] Smoke test Linux - [ ] Smoke test Windows ```
Rust development guide
Firezone uses Rust for all data plane components. This directory contains the Linux and Windows clients, and low-level networking implementations related to STUN/TURN.
We target the last stable release of Rust using rust-toolchain.toml.
If you are using rustup, that is automatically handled for you.
Otherwise, ensure you have the latest stable version of Rust installed.
Reading Client logs
The Client logs are written as JSONL for machine-readability.
To make them more human-friendly, pipe them through jq like this:
cd path/to/logs # e.g. `$HOME/.cache/dev.firezone.client/data/logs` on Linux
cat *.log | jq -r '"\(.time) \(.severity) \(.message)"'
Resulting in, e.g.
2024-04-01T18:25:47.237661392Z INFO started log
2024-04-01T18:25:47.238193266Z INFO GIT_VERSION = 1.0.0-pre.11-35-gcc0d43531
2024-04-01T18:25:48.295243016Z INFO No token / actor_name on disk, starting in signed-out state
2024-04-01T18:25:48.295360641Z INFO null