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Brad Fitzpatrick 39ffa16853 net/dnscache, net/tsdial: add DNS caching to tsdial UserDial This is enough to handle the DNS queries as generated by Go's net package (which our HTTP/SOCKS client uses), and the responses generated by the ExitDNS DoH server. This isn't yet suitable for putting on 100.100.100.100 where a number of different DNS clients would hit it, as this doesn't yet do EDNS0. It might work, but it's untested and likely incomplete. Likewise, this doesn't handle anything about truncation, as the exchanges are entirely in memory between Go or DoH. That would also need to be handled later, if/when it's hooked up to 100.100.100.100. Updates #3507 Change-Id: I1736b0ad31eea85ea853b310c52c5e6bf65c6e2a 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/dependabot.yml: disable eager updates for Go.	3 years ago
atomicfile	atomicfile: don't Chmod on windows	4 years ago
chirp	wgengine/userspace: add support to automatically enable/disable the tailscale	3 years ago
client/tailscale	godoc fix: StatusWithPeers -> StatusWithoutPeers	3 years ago
cmd	net/dnscache, net/tsdial: add DNS caching to tsdial UserDial	3 years ago
control	control/noise: clean up resources in TestNoReuse	3 years ago
derp	net/netns: thread logf into control functions	3 years ago
disco	types/key: export constants for key size, not a method.	3 years ago
docs	fix minor typo	3 years ago
health	health: add a health state for net/dns.OSConfigurator.	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/ipnstate: remove old deprecated TailAddr IPv4-only field	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	logpolicy: export NewLogtailTransport for Android	3 years ago
logtail	util/clientmetric, logtail: log metric changes	3 years ago
metrics	all: use testingutil.MinAllocsPerRun	3 years ago
net	net/dnscache, net/tsdial: add DNS caching to tsdial UserDial	3 years ago
packages/deb	packages/deb: add package to extract metadata from .deb files.	4 years ago
paths	paths: add missing js/wasm stub	3 years ago
portlist	all: fix some js/wasm compilation issues	3 years ago
safesocket	safesocket: add js/wasm implementation with in-memory net.Conn	3 years ago
scripts	scripts/installer.sh: add more Linux variants.	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, ipn/ipnlocal: advertise a Service when exit node DNS proxy available	3 years ago
tempfork/pprof	tempfork/wireguard-windows: remove the old windows firewall code now that we are no	3 years ago
tsconst	net/interfaces/windows: update Tailscale interface detection logic to	3 years ago
tsnet	ipn/ipnlocal, net/tsdial: make SOCKS/HTTP dials use ExitDNS	3 years ago
tstest	tstest/integration: use t.Cleanup	3 years ago
tstime	all: add (*testing.B).ReportAllocs() to every benchmark	3 years ago
tsweb	all: fix spelling mistakes	3 years ago
types	types/logger: add Context and related helpers	3 years ago
util	util/clientmetric: add tests omitted from earlier commit	3 years ago
version	version/distro: report TrueNAS Scale as "truenas"	3 years ago
wf	wf: loopback condition should use MatchTypeFlagsAllSet.	3 years ago
wgengine	wgengine/netstack: in netstack/hybrid mode, fake ICMP using ping command	3 years ago
words	words: remove two plurals, one with a typo	3 years ago
.gitattributes	.: add .gitattributes entry to use Go hunk-header driver	3 years ago
.gitignore	Revert "cmd/tailscaled: split package main into main shim + package"	4 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	build_docker.sh: use github.com/tailscale/mkctr instead of docker	3 years ago
Dockerfile.base	build_docker.sh: use github.com/tailscale/mkctr instead of docker	3 years ago
LICENSE	LICENSE: Reformat for Github	4 years ago
Makefile	Makefile: add spk and pushspk targets for iterative Synology development	3 years ago
PATENTS	Move Linux client & common packages into a public repo.	5 years ago
README.md	all: bump minimum Go to 1.17	3 years ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	5 years ago
VERSION.txt	VERSION.txt: this is v1.19.0	3 years ago
api.md	api: document new API to authorize a device (#2825 )	3 years ago
build_dist.sh	build_docker.sh: use github.com/tailscale/mkctr instead of docker	3 years ago
build_docker.sh	build_docker.sh: prefix version strings with `v`	3 years ago
go.mod	net/dnscache, net/tsdial: add DNS caching to tsdial UserDial	3 years ago
go.sum	net/dnscache, net/tsdial: add DNS caching to tsdial UserDial	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	version: embed VERSION.txt in unstamped version	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 primarily on Linux; it also works to varying degrees on FreeBSD, OpenBSD, Darwin, and Windows.

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

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.