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Josh Bleecher Snyder 6e8328cba5 wgengine/tsdns: replace connections when net link changes (macOS)
When the network link changes, existing UDP sockets fail immediately
and permanently on macOS.

The forwarder set up a single UDP conn and never changed it.
As a result, any time there was a network link change,
all forwarded DNS queries failed.

To fix this, create a new connection when send requests
fail because of network unreachability.

This change is darwin-only, although extended it to other platforms
should be straightforward.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago
.github Add depaware.txt files and GitHub checks. (#745) 4 years ago
atomicfile atomicfile: don't Chmod on windows 4 years ago
cmd wgengine/tsdns: replace connections when net link changes (macOS) 4 years ago
control/controlclient control/controlclient, version/distro, wgengine: recognize OpenWrt 4 years ago
derp tshttp, derphttp: send Proxy-Authorization, not Authorization, to proxies 4 years ago
disco wgengine/magicsock: run test DERP in mode where only disco packets allowed 4 years ago
internal Add tooldeps package to keep depaware pinned in go.mod. 4 years ago
ipn ipn: remove DisableDERP pref 4 years ago
log/logheap log/logheap: properly document LogHeap as performing HTTP upload (#741) 4 years ago
logpolicy tshttpproxy, controlclient, derphttp, logpolicy: send Negotiate auth to proxies 4 years ago
logtail backoff: update to Go style, document a bit, make 30s explicit 4 years ago
metrics metrics: add LabelMap.GetFloat 4 years ago
net net/interfaces, net/netns: move default route interface code to interfaces 4 years ago
paths paths, cmd/tailscaled: on Windows, don't try to migrate from legacy relay.conf 4 years ago
portlist portlist: reduce log spam on macOS 4 years ago
safesocket safesocket: gofmt 4 years ago
scripts scripts: don't descend into .git for license header check 4 years ago
smallzstd smallzstd: new package that constructs zstd small encoders/decoders. 4 years ago
syncs syncs: add Watch, for monitoring mutex contention 4 years ago
tailcfg tailcfg: add MachineKey.IsZero 4 years ago
tempfork tempfork: add lite fork of net/http/pprof w/o html/template or reflect 4 years ago
tsconst net/netns: add windows support. 4 years ago
tstest tstest: don't log on success 4 years ago
tstime tstime: hand-implement parseInt for specific needs of rfc3339 parsing. 5 years ago
tsweb tsweb: when unwrapping HTTPError, record the user-facing message also in the log 4 years ago
types types/key: restore Curve25519 clamping in NewPrivate 4 years ago
util util/pidowner: add missing copyright header 4 years ago
version version: add Windows MAJOR,MINOR,BUILD,REVISON value 4 years ago
wgengine wgengine/tsdns: replace connections when net link changes (macOS) 4 years ago
.gitattributes .gitattributes: add a smudge filter for go.mod. 5 years ago
.gitignore cmd/relaynode: drop local --acl-file in favour of central packet filter. 5 years ago
AUTHORS Move Linux client & common packages into a public repo. 5 years ago
CODE_OF_CONDUCT.md Add a code of conduct. 5 years ago
Dockerfile Dockerfile: install iproute2 in the container image. 5 years ago
LICENSE Move Linux client & common packages into a public repo. 5 years ago
Makefile Makefile: remove tsshd from depaware 4 years ago
PATENTS Move Linux client & common packages into a public repo. 5 years ago
README.md Switch to Go 1.15. 4 years ago
SECURITY.md Add a SECURITY.md for vulnerability reports. 5 years ago
go.mod go.mod, go.sum: bump wireguard-go 4 years ago
go.sum go.sum: update 4 years ago

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains all the open source Tailscale client code and the tailscaled daemon and tailscale CLI tool. The tailscaled daemon runs primarily on Linux; it also works to varying degrees on FreeBSD, OpenBSD, Darwin, and Windows.

The Android app is at https://github.com/tailscale/tailscale-android

Using

We serve packages for a variety of distros 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 that are not open source.

Building

go install tailscale.com/cmd/tailscale{,d}

We only guarantee to support the latest Go release and any Go beta or release candidate builds (currently Go 1.15) in module mode. It might work in earlier Go versions or in GOPATH mode, but we're making no effort to keep those working.

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.

About Us

We are apenwarr, bradfitz, crawshaw, danderson, dfcarney, josharian from Tailscale Inc. You can learn more about us from our website.

WireGuard is a registered trademark of Jason A. Donenfeld.