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The easiest, most secure way to use WireGuard and 2FA.
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Brad Fitzpatrick 86f42ea87b cmd/cloner, cmd/viewer: handle named map/slice types with Clone/View methods 
The cloner and viewer code generators didn't handle named types
with basic underlying types (map/slice) that have their own Clone
or View methods. For example, a type like:

    type Map map[string]any
    func (m Map) Clone() Map { ... }
    func (m Map) View() MapView { ... }

When used as a struct field, the cloner would descend into the
underlying map[string]any and fail because it can't clone the any
(interface{}) value type. Similarly, the viewer would try to create
a MapFnOf view and fail.

Fix the cloner to check for a Clone method on the named type
before falling through to the underlying type handling.

Fix the viewer to check for a View method on named map/slice types,
so the type author can provide a purpose-built safe view that
doesn't leak raw any values. Named map/slice types without a View
method fall through to normal handling, which correctly rejects
types like map[string]any as unsupported.

Updates tailscale/corp#39502 (needed by tailscale/corp#39594)

Change-Id: Iaef0192a221e02b4b8e409c99ef8398090327744
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2026-04-05 20:20:32 -07:00
.bencher bencher: add config to suppress failures on benchmark regressions. 2021-10-01 16:16:02 -07:00
.github ci: fix Windows benchmarks running all tests instead of just benchmarks 2026-04-05 20:20:07 -07:00
appc appc,feature/conn25: conn25: send address assignments to connector 2026-03-09 14:10:38 -07:00
atomicfile all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
chirp all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
client client/web: fix nil metricCapture crash in mockLocalAPI 2026-04-05 20:20:07 -07:00
clientupdate cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
cmd cmd/cloner, cmd/viewer: handle named map/slice types with Clone/View methods 2026-04-05 20:20:32 -07:00
control cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
derp cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
disco disco: remove experimental label from BindUDPRelayHandshakeState 2026-03-24 11:04:11 -07:00
docs docs: add commit message example (#19134) 2026-03-26 10:35:13 -07:00
doctor all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
drive cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
envknob wgengine/magicsock: assume network up for tests 2026-03-31 09:57:14 -06:00
feature cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
gokrazy gokrazy: fix busybox breakglass support, add test 2026-03-12 11:25:31 -07:00
health cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
hostinfo all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
internal cmd/tailscale/cli: allow fetching keys from AWS Parameter Store 2026-01-29 18:09:56 -05:00
ipn ipn/ipnlocal: add health.Tracker to tests where it was warning in CI 2026-04-05 20:20:07 -07:00
jsondb all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
k8s-operator cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
kube kube/certs: discover TLS domains from TCP TerminateTLS handlers (#19020) 2026-03-17 18:35:39 +01:00
licenses licenses: update license notices 2026-03-30 12:34:26 -07:00
log cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
logpolicy all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
logtail all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
maths all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
metrics all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
net cmd/cloner, cmd/viewer: handle named map/slice types with Clone/View methods 2026-04-05 20:20:32 -07:00
omit all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
packages/deb all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
paths all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
portlist portlist: also tb.Skip benchmarks (not just tests) on bad Linux kernels 2026-02-12 13:19:09 -08:00
posture all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
prober all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
proxymap all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
release release/dist/unixpkgs: include tailscale-online.target in packages 2026-03-26 13:42:58 -07:00
safesocket safesocket, ipn/ipnserver: use PeerCreds on solaris and illumos 2026-03-23 07:45:35 -07:00
safeweb cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
scripts scripts/installer.sh: handle KDE Linux (#18861) 2026-03-02 18:29:49 +00:00
sessionrecording cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
ssh/tailssh cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
syncs cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tailcfg cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tempfork feature/c2n: move answerC2N code + deps out of control/controlclient 2025-10-04 13:16:49 -07:00
tka cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tool tool/gocross: skip broken TestGocrossWrapper inside git worktree (#19218) 2026-04-05 15:29:06 -07:00
tsconsensus cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tsconst all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
tsd all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
tsnet cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tstest cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tstime all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
tsweb cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
types cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
util cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
version version: parse Void Linux version strings 2026-04-02 09:39:03 +01:00
wf wf: allow limited broadcast to/from permitted interfaces when using an exit node on Windows 2026-01-23 18:30:38 -06:00
wgengine cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
wif wif: add AWS ecs for autogenerated OIDC tokens 2026-03-25 14:41:41 -06:00
words Add 'fish' to the list of scales 2026-03-27 08:41:33 +00:00
.gitattributes .: add .gitattributes entry to use Go hunk-header driver 2021-12-03 17:56:02 -08:00
.gitignore Add .stignore for syncthing (#18540) 2026-01-27 16:15:17 -08:00
.golangci.yml .github: Bump golangci/golangci-lint-action from 6.5.0 to 7.0.0 (#15476) 2025-04-14 16:04:36 -06:00
.stignore Add .stignore for syncthing (#18540) 2026-01-27 16:15:17 -08:00
ALPINE.txt docker: bump alpine v3.19 -> 3.22 (#17155) 2025-09-17 20:22:24 +01:00
api.md {api.md,publicapi}: remove old API docs (#13468) 2024-09-13 14:10:33 -06:00
assert_ts_toolchain_match.go .: permit running binary built with TS_GO_NEXT=1 2026-02-23 09:37:04 -08:00
build_dist.sh build_dist.sh: keep --extra-small making a usable build, add --min 2025-10-06 21:15:25 -07:00
build_docker.sh docker: add riscv64 to container image architectures 2026-03-29 07:47:39 -07:00
CODE_OF_CONDUCT.md CODE_OF_CONDUCT.md: update code of conduct 2025-10-28 08:58:00 -07:00
CODEOWNERS CODEOWNERS: add the start of an owners file 2023-08-16 15:57:29 -07:00
Dockerfile go.toolchain.branch: switch to Go 1.26 2026-03-04 21:57:05 -08:00
Dockerfile.base all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
flake.lock nix: update flakes to get a nixpkgs version with go 1.26 2026-03-06 04:06:57 -08:00
flake.nix cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
go.mod go.mod: bump tailscale/wireguard-go 2026-03-16 13:51:04 -07:00
go.mod.sri cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
go.sum go.mod: bump tailscale/wireguard-go 2026-03-16 13:51:04 -07:00
go.toolchain.branch go.toolchain.branch: switch to Go 1.26 2026-03-04 21:57:05 -08:00
go.toolchain.next.branch tool/gocross, pull-toolchain.sh: support a "next" Go toolchain 2026-01-27 14:07:35 -08:00
go.toolchain.next.rev go.toolchain.rev, version: bump Tailscale Go, add IsTailscaleGo 2026-04-01 09:40:59 -07:00
go.toolchain.rev go.toolchain.rev, version: bump Tailscale Go, add IsTailscaleGo 2026-04-01 09:40:59 -07:00
go.toolchain.rev.sri go.toolchain.rev, version: bump Tailscale Go, add IsTailscaleGo 2026-04-01 09:40:59 -07:00
go.toolchain.version go.mod: bump to Go 1.26.1 2026-03-06 11:27:29 -08:00
gomod_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
header.txt all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
LICENSE all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
license_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
Makefile Makefile, cmd/*/depaware.txt: split out vendor packages explicitly 2025-10-01 13:02:06 -07:00
PATENTS Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
pkgdoc_test.go gokrazy: use monorepo for gokrazy appliance builds (monogok) 2026-02-13 16:19:14 -08:00
pull-toolchain.sh pull-toolchain.sh: advance the next hash if it's behind 2026-03-10 06:58:53 -07:00
README.md README: update the version of Go in the README (#19168) 2026-03-28 22:21:41 -03:00
SECURITY.md Add a SECURITY.md for vulnerability reports. 2020-02-11 10:26:41 -08:00
shell.nix cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
staticcheck.conf all: cleanup unused code, part 2 (#10670) 2023-12-21 17:40:03 -08:00
update-flake.sh flake.nix: update Nix to use tailscale/go 1.25.2 (#17500) 2025-10-08 14:37:47 -04:00
version_tailscale_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
version_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
version-embed.go cmd/printdep: add --next flag to use rc Go build hash instead 2026-01-27 14:49:56 -08:00
VERSION.txt VERSION.txt: this is v1.97.0 (#18898) 2026-03-05 15:24:48 -05:00

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 1.26. (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:

Legal

WireGuard is a registered trademark of Jason A. Donenfeld.