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Brad Fitzpatrick 2a67beaacf net/interfaces: bound Linux /proc/net/route parsing tailscaled was using 100% CPU on a machine with ~1M lines, 100MB+ of /proc/net/route data. Two problems: in likelyHomeRouterIPLinux, we didn't stop reading the file once we found the default route (which is on the first non-header line when present). Which meant it was finding the answer and then parsing 100MB over 1M lines unnecessarily. Second was that if the default route isn't present, it'd read to the end of the file looking for it. If it's not in the first 1,000 lines, it ain't coming, or at least isn't worth having. (it's only used for discovering a potential UPnP/PMP/PCP server, which is very unlikely to be present in the environment of a machine with a ton of routes) Change-Id: I2c4a291ab7f26aedc13885d79237b8f05c2fd8e4 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>		3 years ago
.bencher	bencher: add config to suppress failures on benchmark regressions.	3 years ago
.github	.github/workflows: add some iOS CI coverage	3 years ago
atomicfile	atomicfile: don't Chmod on windows	4 years ago
chirp	chirp: handle multiline responses from BIRD	3 years ago
client/tailscale	cmd/tailscale: propagate tailscaled 403s as AccessDeniedErrors	3 years ago
cmd	cmd/derper: make --stun default to on, flesh out flag docs	3 years ago
control	envknob: add new package for all the strconv.ParseBool(os.Getenv(..))	3 years ago
derp	derp/derphttp, wgengine/magicsock: prefer IPv6 to DERPs when IPv6 works	3 years ago
disco	types/key: export constants for key size, not a method.	3 years ago
docs	fix minor typo	3 years ago
envknob	wgengine/netstack: add an SSH server experiment	3 years ago
health	envknob: add new package for all the strconv.ParseBool(os.Getenv(..))	3 years ago
hostinfo	hostinfo: report when running in Docker Desktop.	3 years ago
internal/tooldeps	util/deephash: move internal/deephash to util/deephash	3 years ago
ipn	ipn/ipnserver, util/winutil: update workaround for os/user.LookupId failures on Windows to reject SIDs from deleted/invalid security principals.	3 years ago
kube	ipn/store: add ability to store data as k8s secrets.	3 years ago
log	log/filelogger: make filelogger remove redundant date before adding a date	3 years ago
logpolicy	envknob: add new package for all the strconv.ParseBool(os.Getenv(..))	3 years ago
logtail	logtail: add a few new methods to PublicID	3 years ago
metrics	all: use testingutil.MinAllocsPerRun	3 years ago
net	net/interfaces: bound Linux /proc/net/route parsing	3 years ago
packages/deb	packages/deb: add package to extract metadata from .deb files.	4 years ago
paths	all: gofmt -w -s (simplify) tests	3 years ago
portlist	envknob: add new package for all the strconv.ParseBool(os.Getenv(..))	3 years ago
safesocket	safesocket: add ConnectionStrategy, provide control over fallbacks	3 years ago
scripts	scripts/installer: add Centos Stream 9 support (#3818 )	3 years ago
smallzstd	smallzstd: new package that constructs zstd small encoders/decoders.	4 years ago
syncs	syncs: mark as safe for Go 1.18	3 years ago
tailcfg	tailcfg: no-op bump of MapRequest.Version	3 years ago
tempfork/pprof	tempfork/wireguard-windows: remove the old windows firewall code now that we are no	3 years ago
tool	tool/go: add wrapper to download and use go.toolchain.rev go version.	3 years ago
tsconst	net/interfaces/windows: update Tailscale interface detection logic to	3 years ago
tsnet	wgengine/netstack: add an SSH server experiment	3 years ago
tstest	cmd/tailscale: fix up --reset, again	3 years ago
tstime	tstime/rate: deflake TestLongRunningQPS	3 years ago
tsweb	envknob: add new package for all the strconv.ParseBool(os.Getenv(..))	3 years ago
types	ipn/ipnstate: add TailnetName to status	3 years ago
util	util/winutil: fix build	3 years ago
version	version: bump date	3 years ago
wf	all: gofmt -w -s (simplify) tests	3 years ago
wgengine	wgengine/netstack: start supporting different SSH users	3 years ago
words	words: fallout from mudpuppy-gate.	3 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	3 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: remove long-obsolete -tags=xversion	3 years ago
Dockerfile.base	Dockerfile.base: update to alpine:3.15	3 years ago
LICENSE	LICENSE: Reformat for Github	4 years ago
Makefile	Makefile: update make spk target to use the new go spk builder	3 years ago
PATENTS	Move Linux client & common packages into a public repo.	5 years ago
README.md	README.md: update platforms	3 years ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	5 years ago
VERSION.txt	VERSION.txt: This is 1.21.	3 years ago
api.md	api: document API endpoint to manipulate keys (#3544 )	3 years ago
build_dist.sh	tool/go: add wrapper to download and use go.toolchain.rev go version.	3 years ago
build_docker.sh	tool/go: add wrapper to download and use go.toolchain.rev go version.	3 years ago
go.mod	go.mod: bump netstack, switch to upstream netstack	3 years ago
go.sum	go.mod: bump netstack, switch to upstream netstack	3 years ago
go.toolchain.branch	go.toolchain.rev: add update script	3 years ago
go.toolchain.rev	go.toolchain.rev: pick up new bufio.Writer API for Go1.18 (#3768 )	3 years ago
pull-toolchain.sh	go.toolchain.rev: add update script	3 years ago
shell.nix	add nix-shell boilerplate (#1028 )	4 years ago
staticcheck.conf	staticcheck.conf: remove unnecessary warning	3 years ago
version-embed.go	go.toolchain.rev: add Go toolchain rev, tool to print it out	3 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 only guarantee to support the latest Go release and any Go beta or release candidate builds (currently Go 1.17) 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

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.