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Brad Fitzpatrick deac82231c wgengine/magicsock: add start of alternate send path During development of silent disco (#540), an alternate send policy for magicsock that doesn't wake up the radio frequently with heartbeats, we want the old & new policies to coexist, like we did previously pre- and post-disco. We started to do that earlier in `5c42990c2f` but only set up the env+control knob plumbing to set a bool about which path should be used. This starts to add a way for the silent disco code to update the send path from a separate goroutine. (Part of the effort is going to de-state-machinify the event based soup that is the current disco code and make it more Go synchronous style.) So far this does nothing. (It does add an atomic load on each send but that should be noise in the grand scheme of things, and a even more rare atomic store of nil on node config changes.) Baby steps. Updates #540 Co-authored-by: Jenny Zhang <jz@tailscale.com> Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>		2 years ago
.bencher	bencher: add config to suppress failures on benchmark regressions.	3 years ago
.github	.github: update issue templates (#5978 )	2 years ago
atomicfile	refactor: move from io/ioutil to io and os packages	2 years ago
chirp	all: fix spelling mistakes	2 years ago
client/tailscale	tsnet,client/tailscale: add APIClient which runs API over Noise.	2 years ago
cmd	cmd/derper, net/netcheck: add challenge/response to generate_204 endpoint	2 years ago
control	net/wsconn: add back custom wrapper for turning a websocket.Conn into a net.Conn	2 years ago
derp	net/wsconn: add back custom wrapper for turning a websocket.Conn into a net.Conn	2 years ago
disco	all: fix spelling mistakes	2 years ago
docs	docs/k8s: [proxy] fix sysctl command	2 years ago
doctor	doctor: add package for running in-depth healthchecks; use in bugreport (#5413 )	2 years ago
envknob	ipn/ipnlocal: filter peers with bad signatures when tka is enabled	2 years ago
health	envknob, health: support Synology, show parse errors in status	2 years ago
hostinfo	refactor: move from io/ioutil to io and os packages	2 years ago
internal/tooldeps	.github/workflows: add gofmt (goimports) check	2 years ago
ipn	ipn: remove handle.go	2 years ago
jsondb	jsondb: small package to load/save JSON DBs.	2 years ago
kube	kube: handle 201 as a valid status code.	2 years ago
licenses	licenses: update android licenses	2 years ago
log	refactor: move from io/ioutil to io and os packages	2 years ago
logpolicy	all: fix spelling mistakes	2 years ago
logtail	logtail: default to 2s log flush delay on all platforms	2 years ago
metrics	all: use testingutil.MinAllocsPerRun	3 years ago
net	net/dns: print systemd-resolved ResolvConfMode	2 years ago
packages/deb	refactor: move from io/ioutil to io and os packages	2 years ago
paths	all: fix spelling mistakes	2 years ago
portlist	refactor: move from io/ioutil to io and os packages	2 years ago
prober	prober: add a DERP probe manager based on derpprobe	2 years ago
safesocket	refactor: move from io/ioutil to io and os packages	2 years ago
scripts	scripts/installer.sh: add OSMC	2 years ago
smallzstd	refactor: move from io/ioutil to io and os packages	2 years ago
ssh/tailssh	ssh/tailssh: add password-forcing workaround for buggy SSH clients	2 years ago
syncs	syncs: add generic AtomicValue	2 years ago
tailcfg	control/controlclient,ipn/ipnlocal,tailcfg: rotate node-key signature on register	2 years ago
tempfork	ssh/tailssh: add support for sending multiple banners	2 years ago
tka	tka: make rotation signatures use nested keyID	2 years ago
tool	.github/workflows: add tsconnect static build to wasm GitHub action	2 years ago
tsconst	net/interfaces/windows: update Tailscale interface detection logic to	3 years ago
tsnet	tsnet,client/tailscale: add APIClient which runs API over Noise.	2 years ago
tstest	tstest/natlab: add Firewall.Reset method to drop firewall state	2 years ago
tstime	tstime: add ParseDuration helper function	2 years ago
tsweb	tsweb: sort top-level expvars after removing type prefixes	2 years ago
types	types/key: add ChallengePublic, ChallengePrivate, NewChallenge	2 years ago
util	cmd/tsconnect: pre-compress main.wasm when building the NPM package	2 years ago
version	ipn/localapi: send Tailscale version in ACME User-Agent (#5499 )	2 years ago
wf	all: fix spelling mistakes	2 years ago
wgengine	wgengine/magicsock: add start of alternate send path	2 years ago
words	words: double double tails and trouble, scales aflame and puns abubble (#5992 )	2 years ago
.gitattributes	.: add .gitattributes entry to use Go hunk-header driver	3 years ago
.gitignore	Makefile: update make spk target to use the new go spk builder	2 years ago
ALPINE.txt	Docker: add ALPINE.txt to manage alpine versions	2 years ago
AUTHORS	Move Linux client & common packages into a public repo.	4 years ago
CODE_OF_CONDUCT.md	Add a code of conduct.	4 years ago
Dockerfile	Update Dockerfile to use golang:1.19-alpine	2 years ago
Dockerfile.base	Dockerfile: bump alpine to 3.16	2 years ago
LICENSE	LICENSE: Reformat for Github	3 years ago
Makefile	Makefile: add target for wasm and make it part of check	2 years ago
PATENTS	Move Linux client & common packages into a public repo.	4 years ago
README.md	all: require Go 1.19	2 years ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	4 years ago
VERSION.txt	VERSION.txt: this is 1.33.	2 years ago
api.md	api.md: add expirySeconds as parameter to post Tailnet keys	2 years ago
build_dist.sh	build_dist.sh: add --box and --extra-small flag to produce smaller and boxed binaries	2 years ago
build_docker.sh	Dockerfile: bump alpine to 3.16	2 years ago
go.mod	prober: expand certificate verification logic in the TLS prober	2 years ago
go.sum	ssh/tailssh: add password-forcing workaround for buggy SSH clients	2 years ago
go.toolchain.branch	go.toolchain.rev: switch to Go 1.19rc2+	2 years ago
go.toolchain.rev	go.toolchain.rev: update to Go 1.19.2	2 years ago
pull-toolchain.sh	go.toolchain.rev: add update script	2 years ago
shell.nix	shell.nix: update Go toolchain to 1.19	2 years ago
staticcheck.conf	staticcheck.conf: remove unnecessary warning	3 years ago
version-embed.go	Docker: add ALPINE.txt to manage alpine versions	2 years ago
version_test.go	Dockerfile: add test that build-env Alpine version matches go.mod	2 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 on Linux, Windows and macOS, and to varying degrees on FreeBSD, OpenBSD, and Darwin. (The Tailscale iOS and Android apps use this repo's code, but this repo doesn't contain the mobile GUI code.)

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

The Synology package is at https://github.com/tailscale/tailscale-synology

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}

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.

We require the latest Go release, currently Go 1.19.

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

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

Legal

WireGuard is a registered trademark of Jason A. Donenfeld.