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173 Commits

Author SHA1 Message Date
Brad Fitzpatrick
d27301638a WIP: playing with using gvisor's netstack for pure userspace TCP/relaying 2020-09-07 21:23:21 -07:00
Brad Fitzpatrick
468bb3afce cmd/tailscale/cli: add debug -derp mode 2020-09-03 09:09:23 -07:00
Brad Fitzpatrick
1e0be5a458 tshttp, derphttp: send Proxy-Authorization, not Authorization, to proxies 
Whoops. But weirdly, sending Authorization sometimes worked?
 2020-08-28 21:01:00 -07:00
halulu
3af2d671e6
cmd/tailscale/cli: add new flag --force-reauth to up subcommand (#717) 
Signed-off-by: Halulu <lzjluzijie@gmail.com>
 2020-08-28 20:49:14 +08:00
halulu
bd37e40d2b
cmd/tailscale/cli: status exit when disconnected (#720) 
cmd/tailscale/cli: make status report stopped status, exit non-zero

Fixes #714
 2020-08-27 19:02:32 -07:00
Brad Fitzpatrick
483141094c cmd/tailscale/cli: add basic 'down' subcommand 
RELNOTE=yes
 2020-08-25 18:54:29 -07:00
halulu
f27a57911b
cmd/tailscale: add derp and endpoints status (#703) 
cmd/tailscale: add local node's information to status output (by default)

RELNOTE=yes

Updates #477

Signed-off-by: Halulu <lzjluzijie@gmail.com>
 2020-08-25 16:26:10 -07:00
Brad Fitzpatrick
f915ab6552 net/tshttpproxy: add start of Kerberos Negotiate auth to proxies on Windows 
For now only used by a new cmd/tailscale debug --get-url
subcommand. Not yet wired up to the places making HTTP requests.

Updates tailscale/corp#583
 2020-08-25 13:49:06 -07:00
Brad Fitzpatrick
5e0375808b cmd/tailscale/cli: fix vet warning 
And add vet to the "make check" target, like the CI has.
 2020-08-24 21:35:27 -07:00
Brad Fitzpatrick
1be6c6dd70 cmd/tailscale/cli: add hidden debug subcommand 2020-08-24 21:23:37 -07:00
Brad Fitzpatrick
e415991256 derp, derp/derphttp: remove one RTT from DERP setup 
* advertise server's DERP public key following its ServerHello
* have client look for that DEPR public key in the response
  PeerCertificates
* let client advertise it's going into a "fast start" mode
  if it finds it
* modify server to support that fast start mode, just not
  sending the HTTP response header

Cuts down another round trip, bringing the latency of being able to
write our first DERP frame from SF to Bangalore from ~725ms
(3 RTT) to ~481ms (2 RTT: TCP and TLS).

Fixes #693

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-08-20 14:00:55 -07:00
Brad Fitzpatrick
771e9541c7 cmd/tailscale/cli: appease staticcheck 2020-08-17 13:01:39 -07:00
Brad Fitzpatrick
adf4f3cce0 cmd/tailscale/cli: make netcheck sort regions, show full region names 2020-08-14 13:29:02 -07:00
David Anderson
c2b63ba363 cmd/microproxy: add a quick hack for some malformed variables. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-08-11 17:22:45 +00:00
Brad Fitzpatrick
4e63a4fda3 cmd/tailscale/cli: remove already done TODO 2020-08-10 19:41:39 -07:00
Brad Fitzpatrick
84dc891843 cmd/tailscale/cli: add ping subcommand 
For example:

$ tailscale ping -h
USAGE
  ping <hostname-or-IP>

FLAGS
  -c 10                   max number of pings to send
  -stop-once-direct true  stop once a direct path is established
  -verbose false          verbose output

$ tailscale ping mon.ts.tailscale.com
pong from monitoring (100.88.178.64) via DERP(sfo) in 65ms
pong from monitoring (100.88.178.64) via DERP(sfo) in 252ms
pong from monitoring (100.88.178.64) via [2604:a880:2:d1::36:d001]:41641 in 33ms

Fixes #661

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-08-10 12:50:56 -07:00
Brad Fitzpatrick
87cbc067c2 cmd/tailscale/cli: validate advertised routes' IP address-vs-network bits 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-08-10 09:16:49 -07:00
Josh Bleecher Snyder
b23f2263c1 derp: add server version to /debug, expvars 
This will make it easier for a human to tell what
version is deployed, for (say) correlating line numbers
in profiles or panics to corresponding source code.

It'll also let us observe version changes in prometheus.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
 2020-08-07 12:46:02 -07:00
Brad Fitzpatrick
6818bb843d Update README, remove old relaynode dredge 2020-08-07 08:25:25 -07:00
Mike Kramlich
08949d4ef1 --advertise-routes option enabled in Mac tailscale CLI; it checks for IP forwarding enabled 
Signed-off-by: Mike Kramlich <groglogic@gmail.com>
 2020-08-04 10:49:34 -07:00
David Anderson
9e26ffecf8 cmd/tailscaled: ignore SIGPIPE. 
SIGPIPE can be generated when CLIs disconnect from tailscaled. This
should not terminate the process.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-07-31 19:12:45 -07:00
David Anderson
d64de1ddf7 Revert "cmd/tailscaled: exit gracefully on SIGPIPE" 
tailscaled receives a SIGPIPE when CLIs disconnect from it. We shouldn't
shut down in that case.

This reverts commit 43b271cb26e72a94ab9ee00b19204042fea01bde.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-07-31 19:12:45 -07:00
Dmytro Shynkevych
43b271cb26
cmd/tailscaled: exit gracefully on SIGPIPE 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-31 16:02:42 -04:00
David Crawshaw
92e9a5ac15 tailscaled.service: use default restart limiting 
It appears that systemd has sensible defaults for limiting
crash loops:

	DefaultStartLimitIntervalSec=10s
	DefaultStartLimitBurst=5

Remove our insta-restart configuration so that it works.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-07-31 12:55:07 +10:00
Brad Fitzpatrick
ff8c8db9d3 cmd/tailscaled: log on shutdown signal 2020-07-30 08:49:17 -07:00
Brad Fitzpatrick
4aba86cc03 ipn/ipnserver: make Engine argument a func that tries again for each connection 
So a backend in server-an-error state (as used by Windows) can try to
create a new Engine again each time somebody re-connects, relaunching
the GUI app.

(The proper fix is actually fixing Windows issues, but this makes things better
in the short term)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-29 14:33:33 -07:00
Brad Fitzpatrick
ec4feaf31c cmd/cloner, tailcfg: fix nil vs len 0 issues, add tests, use for Hostinfo 
Also use go:generate and https://golang.org/s/generatedcode header style.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-27 14:11:41 -07:00
David Crawshaw
961b9c8abf cmd/cloner: tool to generate Clone methods 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-07-27 11:08:09 +10:00
Dmytro Shynkevych
318751c486 cmd/tailscaled: always flush logs properly 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-23 19:08:17 -04:00
Dmytro Shynkevych
4957360ecd
cmd/tailscale: rename use-dns to accept-dns 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-23 16:09:33 -04:00
Dmytro Shynkevych
dd4e06f383 cmd/tailscale: add corpDNS flag 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-23 15:28:53 -04:00
Brad Fitzpatrick
2545575dd5 cmd/tailscale: default to not reporting daemon version 
That's what I meant to do when I added "tailscale version" but
apparently I didn't.
 2020-07-22 14:05:51 -07:00
Brad Fitzpatrick
6095a9b423 cmd/tailscale: add "version" subcommand 
Fixes #448

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-21 12:23:33 -07:00
Brad Fitzpatrick
f562c35c0d safesocket: support connecting to Mac TCP server from within App Sandbox 2020-07-20 14:23:50 -07:00
Brad Fitzpatrick
10ac066013 all: fix vet warnings 2020-07-16 08:39:38 -07:00
Dmytro Shynkevych
852136a03c cmd/tailscale: simplify hostname validation 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-15 21:32:25 -07:00
Dmytro Shynkevych
65d2537c05 cmd/tailscale: modify empty hostname case 
Signed-Off-By: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-15 21:32:25 -07:00
Dmytro Shynkevych
8163521c33 cmd/tailscale: allow overriding hostname in tailscale up 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-15 21:32:25 -07:00
Brad Fitzpatrick
44baa3463f cmd/tailscale/cli: add initial predicate func ActLikeCLI 2020-07-15 18:56:07 -07:00
Dmytro Shynkevych
19d77ce6a3
cmd/tailscale: fix typo in license headers 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-15 12:48:35 -04:00
Brad Fitzpatrick
7ba148e54e cmd/tailscale: make tailscale status -active also filter in -json mode 2020-07-15 09:28:37 -07:00
Brad Fitzpatrick
60f4982f9b cmd/tailscale: move code into new reusable cmd/tailscale/cli package 
cmd/tailscale's package main is now just a few lines.

This'll let us embed the CLI in the Mac and Windows clients.

Updates #541
 2020-07-15 07:58:29 -07:00
Brad Fitzpatrick
e589c76e98 cmd/tailscaled: don't require --socket path on windows 2020-07-13 11:30:46 -07:00
Brad Fitzpatrick
c1d9e41bef cmd/tailscaled: use "Tailscale" as default TUN device name on Windows 
That's what's used in the Windows GUI version and seems special. If we don't use
that, Windows tries to rename it and fails.
 2020-07-13 09:23:57 -07:00
Brad Fitzpatrick
f98706bdb3 paths, cmd/tailscaled: on Windows, don't try to migrate from legacy relay.conf 
Avoids confusing logspam on Windows.
 2020-07-13 08:59:54 -07:00
Dmytro Shynkevych
61abab999e
cmd/tailscaled: graceful shutdown (#534) 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-13 06:17:58 -04:00
Brad Fitzpatrick
0551bec95b cmd/tailscale: add -active flag to 'tailscale status' to filter out inactive peers 2020-07-09 10:38:18 -07:00
Brad Fitzpatrick
5c6d8e3053 netcheck, tailcfg, interfaces, magicsock: survey UPnP, NAT-PMP, PCP 
Don't do anything with UPnP, NAT-PMP, PCP yet, but see how common they
are in the wild.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-06 15:25:35 -07:00
Brad Fitzpatrick
32156330a8 net/interfaces: add func LikelyHomeRouterIP 
For discovering where we might direct NAT-PMP/PCP/UPnP queries at in
the future.
 2020-07-06 10:38:00 -07:00
Brad Fitzpatrick
630379a1d0 cmd/tailscale: add tailscale status region name, last write, consistently star 
There's a lot of confusion around what tailscale status shows, so make it better:
show region names, last write time, and put stars around DERP too if active.

Now stars are always present if activity, and always somewhere.
 2020-07-03 13:44:22 -07:00