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David Crawshaw 980badbcec wgengine/magicsock: dial derp without holding send lock 
Dialing derp was blocking conn.Send, which bubbled up into
wireguard-go, which expects Send to behave like writing to
a typical socket with no blocking. The result fired the
watchdog timer in wgengine.

Instead, create the buffer channel for the derp server and
return it immediately, dialing on another goroutine.

Fixes #137

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 		2020-03-10 22:31:52 -04:00
.github Revert "update CI and everything to Go 1.14." 2020-03-06 13:45:54 -08:00
atomicfile Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
cmd wgengine/monitor: don't call LinkChange when interfaces look unchanged 2020-03-10 11:03:19 -07:00
control/controlclient controlclient: set default TimeNow function 2020-03-08 09:03:27 -04:00
derp derp/derpmap: new DERP config package, merge netcheck into magicsock more 2020-03-10 10:37:25 -07:00
ipn derp/derpmap: new DERP config package, merge netcheck into magicsock more 2020-03-10 10:37:25 -07:00
logpolicy logpolicy: automatically figure out paths and filenames. 2020-02-19 18:52:41 -08:00
logtail logtail/filch: use x/sys/unix instead of syscall. 2020-02-13 23:56:39 -08:00
metrics metrics: add a LabelMap type for variables with 1 label dimension. 2020-03-04 13:22:50 -08:00
net Move linkstate boring change filtering to magicsock 2020-03-10 12:50:03 -07:00
netcheck wgengine/monitor: don't call LinkChange when interfaces look unchanged 2020-03-10 11:03:19 -07:00
paths paths: use /var/db for state on BSDs, and /var/run for sockets. 2020-03-03 17:49:31 -08:00
portlist portlist: add a lint ignore for unused function. 2020-02-10 23:50:06 -08:00
ratelimit Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
safesocket safesocket: make some effort to create parent directory of sock 2020-03-03 11:47:21 -08:00
stun stun: add server support 2020-02-26 15:19:32 -08:00
stunner derp/derpmap: new DERP config package, merge netcheck into magicsock more 2020-03-10 10:37:25 -07:00
tailcfg magicsock, wgengine, ipn, controlclient: plumb regular netchecks to map poll 2020-03-04 08:19:45 -08:00
tempfork/osexec Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
testy Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
tsweb wgengine/monitor: don't call LinkChange when interfaces look unchanged 2020-03-10 11:03:19 -07:00
types types/logger: add adapters for Logf to std Logger/Writer 2020-03-06 12:00:24 -08:00
version version: bump 2020-03-06 14:57:27 -08:00
wgengine wgengine/magicsock: dial derp without holding send lock 2020-03-10 22:31:52 -04:00
.gitattributes .gitattributes: add a smudge filter for go.mod. 2020-02-19 20:02:02 -05:00
.gitignore cmd/relaynode: drop local --acl-file in favour of central packet filter. 2020-02-20 00:15:43 -05:00
AUTHORS Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
CODE_OF_CONDUCT.md Add a code of conduct. 2020-02-10 22:16:30 -08:00
Dockerfile Revert "update CI and everything to Go 1.14." 2020-03-06 13:45:54 -08:00
LICENSE Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
PATENTS Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00
README.md Revert "update CI and everything to Go 1.14." 2020-03-06 13:45:54 -08:00
SECURITY.md Add a SECURITY.md for vulnerability reports. 2020-02-11 10:26:41 -08:00
go.mod go.mod: bump wireguard-go version. 2020-03-10 18:00:37 -07:00
go.sum go.mod, go.sum: update 2020-03-09 21:01:08 -07:00

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains all the open source Tailscale code. It currently includes the Linux client.

The Linux client is currently cmd/relaynode, but will soon be replaced by cmd/tailscaled.

Using

We serve packages for a variety of distros at https://pkgs.tailscale.com .

Building

go install tailscale.com/cmd/tailscale{,d}

We only support the latest Go release and any Go beta or release candidate builds (currently Go 1.13.x or Go 1.14) 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

under_construction.gif

PRs welcome, but we are still working out our contribution process and tooling.

We require Developer Certificate of Origin Signed-off-by lines in commits.

About Us

We are apenwarr, bradfitz, crawshaw, danderson, dfcarney, from Tailscale Inc. You can learn more about us from our website.

WireGuard is a registered trademark of Jason A. Donenfeld.