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Adrian Dewhurst 8b11937eaf net/dns/resolver: permit larger max responses, signal truncation This raises the maximum DNS response message size from 512 to 4095. This should be large enough for almost all situations that do not need TCP. We still do not recognize EDNS, so we will still forward requests that claim support for a larger response size than 4095 (that will be solved later). For now, when a response comes back that is too large to fit in our receive buffer, we now set the truncation flag in the DNS header, which is an improvement from before but will prompt attempts to use TCP which isn't supported yet. On Windows, WSARecvFrom into a buffer that's too small returns an error in addition to the data. On other OSes, the extra data is silently discarded. In this case, we prefer the latter so need to catch the error on Windows. Partially addresses #1123 Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>		3 years ago
.github	.github/workflows: add integration test with a custom runner (#2044 )	3 years ago
atomicfile	atomicfile: don't Chmod on windows	4 years ago
client/tailscale	client/tailscale: document SetDNS more	3 years ago
cmd	go.mod: bump github.com/mdlayher/netlink to v1.4.1	3 years ago
control/controlclient	control/controlclient: add Pinger interface, Options.Pinger	3 years ago
derp	derp/derpmap: add São Paulo (derp11)	4 years ago
disco	all: adapt to opaque netaddr types	4 years ago
health	wgengine/magicsock: always run ReceiveIPv6	4 years ago
internal	internal/deephash: remove remaining type special cases	4 years ago
ipn	ipn/{ipnlocal,localapi}, control/controlclient: add SetDNS localapi	4 years ago
log	log/filelogger: move our Windows disk file writing+rotation package here	4 years ago
logpolicy	logpolicy: set log target on windows based on a registry key (#1542 )	4 years ago
logtail	logtail: allow changing log level concurrently	4 years ago
metrics	metrics: add LabelMap.GetFloat	4 years ago
net	net/dns/resolver: permit larger max responses, signal truncation	3 years ago
packages/deb	packages/deb: add package to extract metadata from .deb files.	4 years ago
paths	cmd/tailscale/web: restrict web access to synology admins.	4 years ago
portlist	portlist: suppress staticcheck error	4 years ago
safesocket	safesocket: delete unused function	4 years ago
scripts	scripts: fix up installer script comments.	4 years ago
smallzstd	smallzstd: new package that constructs zstd small encoders/decoders.	4 years ago
syncs	syncs: stop running TestWatchMultipleValues on CI	4 years ago
tailcfg	tailcfg: add SetDNSRequest type	4 years ago
tempfork	tempfork/wireguard-windows/firewall: add.	4 years ago
tsconst	net/netns: add windows support.	4 years ago
tsnet	all: adapt to opaque netaddr types	4 years ago
tstest	.github/workflows: add integration test with a custom runner (#2044 )	3 years ago
tstime	tstime: add RandomDurationBetween helper	4 years ago
tsweb	tsweb: add num_goroutines expvar	4 years ago
types	tailcfg, types/wgkey: add AppendTo methods on some types	4 years ago
util	util/dnsname: make ToFQDN take exactly 0 or 1 allocs for everything.	4 years ago
version	version: bump date	4 years ago
wf	all: adapt to opaque netaddr types	4 years ago
wgengine	wgengine/wglog: match upstream wireguard-go's code for wireguardGoString	4 years ago
.gitattributes	.gitattributes: add a smudge filter for go.mod.	5 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, Dockerfile: fix bug with shell quoting	4 years ago
LICENSE	LICENSE: Reformat for Github	4 years ago
Makefile	wgengine/netstack: fix 32-bit build broken from prior commit	4 years ago
PATENTS	Move Linux client & common packages into a public repo.	5 years ago
README.md	Switch to Go 1.16.	4 years ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	5 years ago
VERSION.txt	VERSION.txt: the 1.9.x dev cycle hath begun	4 years ago
api.md	api.md: clarify response behaviour for ACL POST endpoint	4 years ago
build_dist.sh	build_dist.sh: add a command to output the shell vars.	4 years ago
build_docker.sh	build_docker.sh, Dockerfile: fix bug with shell quoting	4 years ago
go.mod	go.mod: bump github.com/mdlayher/netlink to v1.4.1	3 years ago
go.sum	go.mod: bump github.com/mdlayher/netlink to v1.4.1	3 years ago
shell.nix	add nix-shell boilerplate (#1028 )	4 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 1.16) 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.