bb4f458207
Captive portal detection was half-migrated: it had a build tag and buildfeatures constant, but its code still lived in build-tag-gated files in ipn/ipnlocal and net/netcheck, with its per-backend state (context, cancel func, signaling channel) as fields on LocalBackend. Move it under feature/captiveportal. The health-driven detection loop becomes an ipnext.Extension holding its own state: it starts and stops the loop from the BackendStateChange hook and subscribes to health.Change events on the eventbus itself, removing the captive portal hooks and special cases from LocalBackend entirely. The DERP map now comes from a new ipnext.NodeBackend.DERPMap method, and the preferred DERP region from magicsock's last netcheck report (the same underlying source as the previously used Hostinfo.NetInfo). The netcheck probe hook is now exported with a signature free of netcheck internals, and its implementation moves to the small feature/captiveportal/netcheckhook package, which installs the hook as an import side effect. That package stays free of tsd/wgengine dependencies so the tailscale CLI can keep probing for captive portals in "tailscale netcheck" without linking the daemon-side extension. The net/captivedetection library itself is unchanged and stays put; after this change it is only linked when something pulls in netcheckhook or the feature extension. tailscaled links the feature by default via condregister as before, but tsnet no longer does (shrinking tsnet, k8s-operator, and tsidp); tsnet users who want it can blank-import the feature package, and tsnet's dep test now locks that in. Updates #12614 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> Change-Id: I3f1d09f9dc03e18f9a648ab5e42d16fa540b3fa9 |
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Tailscale
Private WireGuard® networks made easy
Overview
This repository contains the majority of Tailscale's open source code.
Notably, it includes the tailscaled daemon and
the tailscale CLI tool. The tailscaled daemon runs on Linux, Windows,
macOS, and to varying degrees
on FreeBSD and OpenBSD. The Tailscale iOS and Android apps use this repo's
code, but this repo doesn't contain the mobile GUI code.
Other Tailscale repos of note:
- the Android app is at https://github.com/tailscale/tailscale-android
- the Synology package is at https://github.com/tailscale/tailscale-synology
- the QNAP package is at https://github.com/tailscale/tailscale-qpkg
- the Chocolatey packaging is at https://github.com/tailscale/tailscale-chocolatey
For background on which parts of Tailscale are open source and why, see https://tailscale.com/opensource/.
Using
We serve packages for a variety of distros and platforms at https://pkgs.tailscale.com.
Other clients
The macOS, iOS, and Windows clients use the code in this repository but additionally include small GUI wrappers. The GUI wrappers on non-open source platforms are themselves not open source.
Building
We always require the latest Go release, currently Go 1.26. (While we build releases with our Go fork, its use is not required.)
go install tailscale.com/cmd/tailscale{,d}
If you're packaging Tailscale for distribution, use build_dist.sh
instead, to burn commit IDs and version info into the binaries:
./build_dist.sh tailscale.com/cmd/tailscale
./build_dist.sh tailscale.com/cmd/tailscaled
If your distro has conventions that preclude the use of
build_dist.sh, please do the equivalent of what it does in your
distro's way, so that bug reports contain useful version information.
Bugs
Please file any issues about this code or the hosted service on the issue tracker.
Contributing
PRs welcome! But please file bugs. Commit messages should reference bugs.
We require Developer Certificate of
Origin
Signed-off-by lines in commits.
See commit-messages.md (or skim git log) for our commit message style.
About Us
Tailscale is primarily developed by the people at https://github.com/orgs/tailscale/people. For other contributors, see:
- https://github.com/tailscale/tailscale/graphs/contributors
- https://github.com/tailscale/tailscale-android/graphs/contributors
Legal
WireGuard is a registered trademark of Jason A. Donenfeld.