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David Crawshaw f414a9cc01 net/dns/resolver: EDNS OPT record off-by-one I don't know how to get access to a real packet. Basing this commit entirely off: +------------+--------------+------------------------------+ \| Field Name \| Field Type \| Description \| +------------+--------------+------------------------------+ \| NAME \| domain name \| MUST be 0 (root domain) \| \| TYPE \| u_int16_t \| OPT (41) \| \| CLASS \| u_int16_t \| requestor's UDP payload size \| \| TTL \| u_int32_t \| extended RCODE and flags \| \| RDLEN \| u_int16_t \| length of all RDATA \| \| RDATA \| octet stream \| {attribute,value} pairs \| +------------+--------------+------------------------------+ From https://datatracker.ietf.org/doc/html/rfc6891#section-6.1.2 Signed-off-by: David Crawshaw <crawshaw@tailscale.com>		3 years ago
.github	disable vm tests on every commit to main	3 years ago
atomicfile	atomicfile: don't Chmod on windows	4 years ago
client/tailscale	cmd/tailscale: make netcheck use active DERP map, delete static copy	3 years ago
cmd	cmd/tailscale/cli: document that empty string disable exit nodes, routes	3 years ago
control	control/controlclient: report whether we're in a snap package	3 years ago
derp	net/dnscache: cache all IPs per hostname	3 years ago
disco	all: adapt to opaque netaddr types	4 years ago
health	wgengine/magicsock: always run ReceiveIPv6	4 years ago
hostinfo	netns_linux: remove special handling for tests.	3 years ago
internal/tooldeps	util/deephash: move internal/deephash to util/deephash	3 years ago
ipn	ipn/ipnlocal: populate Hostinfo.Package on Android	3 years ago
log	log/filelogger: move our Windows disk file writing+rotation package here	4 years ago
logpolicy	tstest/integration: fix filch test flake	3 years ago
logtail	staticcheck.conf: turn off noisy lint errors	3 years ago
metrics	metrics: add LabelMap.GetFloat	4 years ago
net	net/dns/resolver: EDNS OPT record off-by-one	3 years ago
packages/deb	packages/deb: add package to extract metadata from .deb files.	3 years ago
paths	cmd/tailscale/web: restrict web access to synology admins.	3 years ago
portlist	staticcheck.conf: turn off noisy lint errors	3 years ago
safesocket	safesocket: print full lsof command on failure	3 years ago
scripts	scripts: remove special case for _strings.go files in check license headers	3 years ago
smallzstd	smallzstd: new package that constructs zstd small encoders/decoders.	4 years ago
syncs	wgengine/{monitor,router}: restore Linux ip rules when systemd deletes them	3 years ago
tailcfg	tailcfg: add Node.PrimaryRoutes	3 years ago
tempfork	tempfork/wireguard-windows: remove unnecessary build tag	3 years ago
tsconst	net/netns: add windows support.	4 years ago
tsnet	all: adapt to opaque netaddr types	4 years ago
tstest	tstest/integration/vms: disable rDNS for sshd on centos (#2492 )	3 years ago
tstime	tstime: add RandomDurationBetween helper	4 years ago
tsweb	tsweb: add float64 to logged metrics	3 years ago
types	control/{controlknobs,controlclient}: simplify knobs API, fix controlclient crash	3 years ago
util	util/deephash: improve cycle detection (#2470 )	3 years ago
version	version: bump date	3 years ago
wf	wf: loopback condition should use MatchTypeFlagsAllSet.	3 years ago
wgengine	wgengine: re-set DNS config on Linux after a major link change	3 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: this is v1.13.0.	3 years ago
api.md	api.md: update preview example	3 years ago
build_dist.sh	build_dist.sh: add a command to output the shell vars.	3 years ago
build_docker.sh	build_docker.sh: use build_dist.sh to inject version information	3 years ago
go.mod	net/{dnscache,interfaces}: use netaddr.IP.IsPrivate, delete copied code	3 years ago
go.sum	net/{dnscache,interfaces}: use netaddr.IP.IsPrivate, delete copied code	3 years ago
shell.nix	add nix-shell boilerplate (#1028 )	4 years ago
staticcheck.conf	staticcheck.conf: remove unnecessary warning	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 1.16) 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.