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The easiest, most secure way to use WireGuard and 2FA.
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Percy Wegmann 7d83056a1b ssh/tailssh: fix SSH on busybox systems 
This involved the following:

1. Pass the su command path as first of args in call to unix.Exec to make sure that busybox sees the correct program name.
   Busybox is a single executable userspace that implements various core userspace commands in a single binary. You'll
   see it used via symlinking, so that for example /bin/su symlinks to /bin/busybox. Busybox knows that you're trying
   to execute /bin/su because argv[0] is '/bin/su'. When we called unix.Exec, we weren't including the program name for
   argv[0], which caused busybox to fail with 'applet not found', meaning that it didn't know which command it was
   supposed to run.
2. Tell su to whitelist the SSH_AUTH_SOCK environment variable in order to support ssh agent forwarding.
3. Run integration tests on alpine, which uses busybox.
4. Increment CurrentCapabilityVersion to allow turning on SSH V2 behavior from control.

Fixes #12849

Signed-off-by: Percy Wegmann <percy@tailscale.com>
2024-08-21 11:44:41 -05:00
.bencher bencher: add config to suppress failures on benchmark regressions. 2021-10-01 16:16:02 -07:00
.github scripts: don't refresh the pacman repository on Arch (#12194) 2024-07-03 09:58:01 -07:00
appc appc: track metrics for route info storing 2024-07-12 10:39:48 -07:00
atomicfile various: add golangci-lint, fix issues (#7905) 2023-04-17 18:38:24 -04:00
chirp all: update copyright and license headers 2023-01-27 15:36:29 -08:00
client client/tailscale: add LocalClient.OmitAuth for tests 2024-08-12 15:16:22 -07:00
clientupdate clientupdate: return true for CanAutoUpdate for macsys (#12746) 2024-07-08 15:54:50 -07:00
cmd net/tstun,wgengine{/netstack/gro}: refactor and re-enable gVisor GRO for Linux (#13172) 2024-08-20 15:22:19 -07:00
control go.{mod,sum}: migrate from nhooyr.io/websocket to github.com/coder/websocket 2024-08-14 21:23:49 -07:00
derp go.{mod,sum}: migrate from nhooyr.io/websocket to github.com/coder/websocket 2024-08-14 21:23:49 -07:00
disco disco: correct noun for nacl box type in disco docs 2023-12-14 16:41:53 -08:00
docs docs/k8s: fix subnet router manifests (#12305) 2024-05-31 19:15:02 +01:00
doctor net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon 2024-04-28 07:34:52 -07:00
drive safesocket: add ConnectContext 2024-06-10 20:00:52 -07:00
envknob ci: enable checklocks workflow for specific packages 2024-06-26 13:55:07 -04:00
gokrazy gokrazy,tstest/integration/nat: add Gokrazy appliance just for natlab 2024-08-13 15:26:12 -07:00
health wgengine/magicsock: log when a ReceiveFunc fails 2024-08-14 10:34:55 -07:00
hostinfo hostinfo: add hostinfo.IsNATLabGuestVM 2024-08-09 09:06:54 -07:00
internal all: add test for package comments, fix, add comments as needed 2024-07-10 09:57:00 -07:00
ipn ipn/ipnlocal: network-lock, error if no pubkey instead of panic 2024-08-20 09:12:52 +02:00
jsondb all: update copyright and license headers 2023-01-27 15:36:29 -08:00
k8s-operator cmd/k8s-operator,k8s-operator/sessionrecording: support recording kubectl exec sessions over WebSockets (#12947) 2024-08-14 17:57:50 +01:00
kube all: add test for package comments, fix, add comments as needed 2024-07-10 09:57:00 -07:00
licenses licenses: update license notices 2024-08-15 14:38:12 -07:00
log log/sockstatlog: don't block for more than 5s on shutdown 2024-07-12 17:50:11 +01:00
logpolicy cmd/tta, vnet: add host firewall, env var support, more tests 2024-08-12 15:32:12 -07:00
logtail logtail: close idle HTTP connections on shutdown 2024-07-12 17:47:30 +01:00
metrics all: use Go 1.22 range-over-int 2024-04-16 15:32:38 -07:00
net net/tstun,wgengine{/netstack/gro}: refactor and re-enable gVisor GRO for Linux (#13172) 2024-08-20 15:22:19 -07:00
omit cmd/tailscaled, ipn/conffile: support ec2 user-data config file 2024-05-30 09:49:18 -07:00
packages/deb go.mod: upgrade nfpm to v2 (#8786) 2023-08-03 13:00:45 -07:00
paths all: use Go 1.22 range-over-int 2024-04-16 15:32:38 -07:00
portlist all: use Go 1.22 range-over-int 2024-04-16 15:32:38 -07:00
posture posture: deduplicate MAC addresses before returning them 2024-08-16 16:22:19 +01:00
prober prober: make status page more clear 2024-08-08 17:34:29 +01:00
proxymap ci: enable checklocks workflow for specific packages 2024-06-26 13:55:07 -04:00
publicapi publicapi: add note that API docs have moved to existing docs files (#12770) 2024-07-10 12:42:34 -06:00
release release/dist/qnap: omit .qpkg.codesigning files 2024-04-25 11:20:40 -04:00
safesocket safesocket: add ConnectContext 2024-06-10 20:00:52 -07:00
safeweb safeweb: add Server.Close method (#13160) 2024-08-15 10:49:04 -07:00
scripts scripts: don't refresh the pacman repository on Arch (#12194) 2024-07-03 09:58:01 -07:00
sessionrecording cmd/k8s-operator,k8s-operator/sessionrecording,sessionrecording,ssh/tailssh: refactor session recording functionality (#12945) 2024-07-29 13:57:11 +01:00
smallzstd all: use Go 1.22 range-over-int 2024-04-16 15:32:38 -07:00
ssh/tailssh ssh/tailssh: fix SSH on busybox systems 2024-08-21 11:44:41 -05:00
syncs syncs: add Map.WithLock to allow mutations to the underlying map (#8101) 2024-07-11 16:16:30 -07:00
tailcfg ssh/tailssh: fix SSH on busybox systems 2024-08-21 11:44:41 -05:00
taildrop all: use new AppendEncode methods available in Go 1.22 (#11079) 2024-02-08 17:55:03 -08:00
tempfork cmd/tailscale: add shell tab-completion 2024-04-17 18:54:10 +01:00
tka ipn/ipnlocal: allow multiple signature chains from the same SigCredential 2024-06-27 19:28:57 +01:00
tool {tool,client}: bump node version (#12840) 2024-07-18 13:12:42 -06:00
tsconst cmd/tailscale/cli: support passing network lock keys via files 2024-08-14 09:18:34 -07:00
tsd health, all: remove health.Global, finish plumbing health.Tracker 2024-04-26 12:03:11 -07:00
tsnet tsnet: do not log an error on shutdown 2024-06-27 13:28:19 +01:00
tstest tstest/tailmac: add customized macOS virtualization tooling (#13146) 2024-08-19 15:01:19 -04:00
tstime all: use math/rand/v2 more 2024-06-05 15:24:04 -07:00
tsweb tsweb: fix TestStdHandler_ConnectionClosedDuringBody flake (#13046) 2024-08-12 16:30:32 +01:00
types types/lazy: re-init SyncValue during test cleanup if it wasn't set before SetForTest 2024-07-24 11:47:58 -05:00
util util/winutil: add GetRegUserString/SetRegUserString accessors for storage and retrieval of string values in HKEY_CURRENT_USER 2024-08-20 08:07:57 -06:00
version version/mkversion: allow env config of oss git cache dir 2024-07-01 16:22:55 -07:00
wf all: add test for package comments, fix, add comments as needed 2024-07-10 09:57:00 -07:00
wgengine wgengine/netstack/gro: exclude importation of gVisor GRO pkg on iOS (#13202) 2024-08-20 16:40:10 -07:00
words words: raccoon dog, dog with the raccoon in 'im 2024-08-05 09:24:33 -07:00
.gitattributes .: add .gitattributes entry to use Go hunk-header driver 2021-12-03 17:56:02 -08:00
.gitignore tstest/tailmac: add customized macOS virtualization tooling (#13146) 2024-08-19 15:01:19 -04:00
.golangci.yml ci: run 'go vet' in golangci-lint; fix errors in tests 2023-12-07 15:08:28 -05:00
ALPINE.txt ALPINE.txt,Dockerfile{.base},build_docker.sh: bump alpine (#10543) 2023-12-11 07:03:18 +00:00
api.md publicapi: add note that API docs have moved to existing docs files (#12770) 2024-07-10 12:42:34 -06:00
AUTHORS Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
build_dist.sh cmd/tailscale: add shell tab-completion 2024-04-17 18:54:10 +01:00
build_docker.sh build_docker.sh: update script comment (#12970) 2024-07-30 15:12:43 +01:00
CODE_OF_CONDUCT.md Add a code of conduct. 2020-02-10 22:16:30 -08:00
CODEOWNERS CODEOWNERS: add the start of an owners file 2023-08-16 15:57:29 -07:00
Dockerfile go.{mod,sum}: migrate from nhooyr.io/websocket to github.com/coder/websocket 2024-08-14 21:23:49 -07:00
Dockerfile.base ALPINE.txt,Dockerfile{.base},build_docker.sh: bump alpine (#10543) 2023-12-11 07:03:18 +00:00
flake.lock flake.nix: build tailscale with go 1.22 2024-02-11 20:43:40 -08:00
flake.nix go.mod.sri: update SRI hash for go.mod changes 2024-08-14 21:30:13 -07:00
go.mod go.{mod,sum}: migrate from nhooyr.io/websocket to github.com/coder/websocket 2024-08-14 21:23:49 -07:00
go.mod.sri go.mod.sri: update SRI hash for go.mod changes 2024-08-14 21:30:13 -07:00
go.sum go.{mod,sum}: migrate from nhooyr.io/websocket to github.com/coder/websocket 2024-08-14 21:23:49 -07:00
go.toolchain.branch go.toolchain.rev: bump to Go 1.22.0 (#11055) 2024-02-07 14:57:57 -07:00
go.toolchain.rev go.toolchain.rev: bump Go toolchain for net pkg resolv.conf fix 2024-08-08 13:35:40 -07:00
gomod_test.go go.mod: add test that replace directives aren't added in oss 2023-09-29 12:31:52 -07:00
header.txt cmd/k8s-operator: operator can create subnetrouter (#9505) 2023-12-14 13:51:59 +00:00
LICENSE all: update tools that manage copyright headers 2023-01-27 15:36:29 -08:00
Makefile ssh/tailssh: fix SSH on busybox systems 2024-08-21 11:44:41 -05:00
PATENTS Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
pkgdoc_test.go all: add test for package comments, fix, add comments as needed 2024-07-10 09:57:00 -07:00
pull-toolchain.sh pull-toolchain.sh: don't run update-flake.sh 2023-02-09 15:04:01 -08:00
README.md go.mod, README.md: use Go 1.22 2024-02-07 18:10:15 -08:00
SECURITY.md Add a SECURITY.md for vulnerability reports. 2020-02-11 10:26:41 -08:00
shell.nix go.mod.sri: update SRI hash for go.mod changes 2024-08-14 21:30:13 -07:00
staticcheck.conf all: cleanup unused code, part 2 (#10670) 2023-12-21 17:40:03 -08:00
update-flake.sh Code Improvements (#11311) 2024-03-08 15:24:36 -08:00
version_test.go go.mod,wgengine/netstack: bump gvisor 2024-01-19 18:23:53 -08:00
version-embed.go version: return correct Meta.MajorMinorPatch in non-dev builds 2023-02-10 13:00:44 -08:00
VERSION.txt VERSION.txt: this is v1.73.0 (#13181) 2024-08-19 17:17:29 +00:00

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 1.22. (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.