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Charlotte Brandhorst-Satzkorn ddb4040aa0
wgengine/magicsock: add address selection for wireguard only endpoints (#7979)
This change introduces address selection for wireguard only endpoints.
If a endpoint has not been used before, an address is randomly selected
to be used based on information we know about, such as if they are able
to use IPv4 or IPv6. When an address is initially selected, we also
initiate a new ICMP ping to the endpoints addresses to determine which
endpoint offers the best latency. This information is then used to
update which endpoint we should be using based on the best possible
route. If the latency is the same for a IPv4 and an IPv6 address, IPv6
will be used.

Updates #7826

Signed-off-by: Charlotte Brandhorst-Satzkorn <charlotte@tailscale.com>
2 years ago
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.github .github: test installer script in CI in docker 2 years ago
atomicfile various: add golangci-lint, fix issues (#7905) 2 years ago
chirp all: update copyright and license headers 2 years ago
client/tailscale various: add golangci-lint, fix issues (#7905) 2 years ago
cmd wgengine/magicsock: add address selection for wireguard only endpoints (#7979) 2 years ago
control control/controlclient: use dnscache.Resolver for Noise client 2 years ago
derp derp: add a README.md with some docs 2 years ago
disco all: update to Go 1.20, use strings.CutPrefix/Suffix instead of our fork 2 years ago
docs all: update copyright and license headers 2 years ago
doctor doctor/permissions: add new check to print process permissions 2 years ago
envknob envknob,net/tstun,wgengine: use TS_DEBUG_MTU consistently 2 years ago
health health, net/tlsdial: add healthcheck for self-signed cert 2 years ago
hostinfo ci: add more lints (#7909) 2 years ago
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jsondb all: update copyright and license headers 2 years ago
kube ipn/store: add support for stores to hook into a custom dialer 2 years ago
licenses licenses: update win/apple licenses 2 years ago
log all: avoid repeated default interface lookups 2 years ago
logpolicy all: avoid repeated default interface lookups 2 years ago
logtail all: move network monitoring from wgengine/monitor to net/netmon 2 years ago
metrics metrics: add SetInt64 to ease using LabelMap for gauge metrics 2 years ago
net net/tstun: handle exit nodes in NAT configs 2 years ago
packages/deb all: update copyright and license headers 2 years ago
paths all: update copyright and license headers 2 years ago
portlist various: add golangci-lint, fix issues (#7905) 2 years ago
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types net/packet: add NAT support for DCCP and GRE 2 years ago
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README.md

Tailscale

https://tailscale.com

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:

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 1.20. (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 git log for our commit message style. It's basically the same as Go's style.

About Us

Tailscale is primarily developed by the people at https://github.com/orgs/tailscale/people. For other contributors, see:

WireGuard is a registered trademark of Jason A. Donenfeld.