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99624a4302
Currently, we are only emitting updates to the `TunConfig` when the routes or the DNS servers change. This isn't correct, we should also emit updates for it when the IPs or the search-domain changes. In order to achieve that, we create a new `TunConfig` based on the existing one every time we receive an `InterfaceConfig` update. Depending on our current state, we may create an entirely new `TunConfig` or create a new one where we copy the fields in from the new `InterfaceConfig`. We then unconditionally call `maybe_update_tun_config` which does the necessary work to only emit updates when things actually changed. To ensure this works in all cases and the latest update is always reflected on the TUN device, we also extend the proptests to assert the latest search domain. Fixes: #8451
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.