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Tom Proctor 5f22f72636 hostinfo,build_docker.sh,tailcfg: more reliably detect being in a container (#13826 ) Our existing container-detection tricks did not work on Kubernetes, where Docker is no longer used as a container runtime. Extends the existing go build tags for containers to the other container packages and uses that to reliably detect builds that were created by Tailscale for use in a container. Unfortunately this doesn't necessarily improve detection for users' custom builds, but that's a separate issue. Updates #13825 Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>		1 week ago
.bencher	…
.github	.github: Bump github/codeql-action from 3.26.9 to 3.26.11 (#13710 )	2 weeks ago
appc	…
atomicfile	…
chirp	…
client	client/tailscale,cmd/{cli,get-authkey,k8s-operator}: set distinct User-Agents	2 weeks ago
clientupdate	clientupdate: don't link distsign on platforms that don't download	2 weeks ago
cmd	client/tailscale,cmd/{cli,get-authkey,k8s-operator}: set distinct User-Agents	2 weeks ago
control	control/controlhttp: don't link ts2021 server + websocket code on iOS	2 weeks ago
derp	derp: fix omitted word in comment	2 weeks ago
disco	…
docs	docs/windows/policy: add ADMX policy setting to configure the AuthKey	3 weeks ago
doctor	…
drive	…
envknob	envknob: support disk-based envknobs on the macsys build	3 weeks ago
gokrazy	gokrazy, various: use point versions of Go and update Nix deps	1 month ago
health	control/controlhttp: fix connectivity on Alaska Air wifi	3 weeks ago
hostinfo	hostinfo,build_docker.sh,tailcfg: more reliably detect being in a container (#13826 )	1 week ago
internal	…
ipn	ipn/conffile: don't depend on hujson on iOS/Android	2 weeks ago
jsondb	…
k8s-operator	k8s-operator/apis: revert ProxyGroup readiness cond name change (#13770 )	2 weeks ago
kube	kube/egressservices: improve egress ports config readability (#13722 )	2 weeks ago
licenses	licenses: update license notices	1 week ago
log	…
logpolicy	logpolicy: force TLS 1.3 handshake	3 weeks ago
logtail	…
metrics	metrics: revert changes to MultiLabelMap's String method	4 weeks ago
net	{net/connstats,wgengine/magicsock}: fix packet counting in connstats	1 week ago
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packages/deb	…
paths	…
portlist	…
posture	…
prober	…
proxymap	ipnlocal,proxymap,wgengine/netstack: add optional WhoIs/proxymap debug	1 month ago
release	{release,version}: add DSM7.2 specific synology builds (#13405 )	4 weeks ago
safesocket	safesocket: don't depend on go-ps on iOS	2 weeks ago
safeweb	safeweb: allow passing http.Server in safeweb.Config (#13688 )	3 weeks ago
scripts	…
sessionrecording	sessionrecording,ssh/tailssh,k8s-operator: log connected recorder address (#13382 )	2 months ago
smallzstd	…
ssh/tailssh	ssh/tailssh: calculate passthrough environment at latest possible stage	2 weeks ago
syncs	syncs: allocate map with Map.WithLock (#13755 )	2 weeks ago
tailcfg	hostinfo,build_docker.sh,tailcfg: more reliably detect being in a container (#13826 )	1 week ago
taildrop	taildrop: fix defer in loop (#13757 )	2 weeks ago
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tka	…
tool	tool/gocross: fix argument order to find	2 weeks ago
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tsd	util/usermetrics: make usermetrics non-global	4 weeks ago
tsnet	wgengine: instrument with usermetrics	1 week ago
tstest	tstest: avoid Fatal in ResourceCheck to show panic (#13790 )	1 week ago
tstime	…
tsweb	…
types	types/bools: add Compare to compare boolean values (#13792 )	2 weeks ago
util	wgengine: instrument with usermetrics	1 week ago
version	{release,version}: add DSM7.2 specific synology builds (#13405 )	4 weeks ago
wf	wf/firewall: allow link-local multicast for permitted local routes when the killswitch is on on Windows	3 weeks ago
wgengine	{net/connstats,wgengine/magicsock}: fix packet counting in connstats	1 week ago
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SECURITY.md	…
VERSION.txt	VERSION.txt: this is v1.77.0 (#13779 )	2 weeks ago
api.md	{api.md,publicapi}: remove old API docs (#13468 )	1 month ago
assert_ts_toolchain_match.go	tailscaleroot: panic if tailscale_go build tag but Go toolchain mismatch	2 weeks ago
build_dist.sh	…
build_docker.sh	hostinfo,build_docker.sh,tailcfg: more reliably detect being in a container (#13826 )	1 week ago
flake.lock	…
flake.nix	gokrazy, various: use point versions of Go and update Nix deps	1 month ago
go.mod	cmd/{k8s-operator,containerboot},k8s-operator,kube: reconcile ExternalName Services for ProxyGroup (#13635 )	3 weeks ago
go.mod.sri	go.mod.sri: update SRI hash for go.mod changes	2 months ago
go.sum	go.mod: upgrade golangci-lint	4 weeks ago
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go.toolchain.rev	go.toolchain.rev: bump oss, test toolchain matches go.toolchain.rev	1 month ago
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pull-toolchain.sh	…
shell.nix	go.mod.sri: update SRI hash for go.mod changes	2 months ago
staticcheck.conf	…
update-flake.sh	…
version-embed.go	tailscaleroot: panic if tailscale_go build tag but Go toolchain mismatch	2 weeks ago
version_tailscale_test.go	tailscaleroot: panic if tailscale_go build tag but Go toolchain mismatch	2 weeks ago
version_test.go	…

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:

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 1.23. (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:

Legal

WireGuard is a registered trademark of Jason A. Donenfeld.