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Author SHA1 Message Date
Brad Fitzpatrick
c7fc4a06da wgengine/router: don't configure IPv6 on Linux when IPv6 is unavailable 
Fixes #1214

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-28 13:35:11 -08:00
David Anderson
de497358b8 cmd/tailscaled: add /run to the allowed paths for iptables. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-28 12:58:07 -08:00
Josh Bleecher Snyder
1e28207a15 types/logger: fix rateFree interaction with verbosity prefixes 
We log lines like this:

c.logf("[v1] magicsock: disco: %v->%v (%v, %v) sent %v", c.discoShort, dstDisco.ShortString(), dstKey.ShortString(), derpStr(dst.String()), disco.MessageSummary(m))

The leading [v1] causes it to get unintentionally rate limited.
Until we have a proper fix, work around it.

Fixes #1216

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
 2021-01-28 10:15:56 -08:00
David Anderson
7a16ac80b7 VERSION.txt: this is 1.5.0. 2021-01-27 18:45:22 -08:00
Brad Fitzpatrick
4d943536f1 wgengine: don't leak TUN device in NewUserspaceEngine error path 
Updates #1187

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-27 11:06:56 -08:00
Brad Fitzpatrick
9f5b0d058f wgengine: fix bugs from earlier fix 
Fixes a regression from e970ed0995 that wasn't covered by tests
in this repo. (Our end-to-end tests in another repo caught this.)

Updates #1204
 2021-01-27 10:32:08 -08:00
Sonia Appasamy
4dab0c1702
tailcfg: update node display name fields and methods (#1207) 
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>

Consolidates the node display name logic from each of the clients into
tailcfg.Node. UI clients can use these names directly, rather than computing
them independently.
 2021-01-27 11:50:31 -05:00
Brad Fitzpatrick
35e10c78fc net/interfaces: don't send over zt* interfaces 
Fixes #1208

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-26 15:20:43 -08:00
David Anderson
692a011b54 net/interfaces: remove IsTailscaleIP, make callers use tsaddr. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-26 15:10:51 -08:00
Brad Fitzpatrick
e970ed0995 wgengine: fix crash reading long UAPI lines from legacy peers 
Also don't log.Fatalf in a function returning an error.

Fixes #1204

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-26 11:39:13 -08:00
Brad Fitzpatrick
a7edcd0872 ipn/ipnstate: update tailscale status -web to match CLI 2021-01-26 08:29:59 -08:00
Brad Fitzpatrick
a98538f84a Merge branch 'main' of github.com:tailscale/tailscale into main 2021-01-25 15:53:13 -08:00
Brad Fitzpatrick
c3c59445ff ipn/ipnserver: on Windows in unattended mode, wait for Engine forever 
Updates #1187
 2021-01-25 15:52:24 -08:00
Brad Fitzpatrick
0dde8fa0a8 ipn/ipnserver: rearrange some code 
No functional change. Make a future diff easier to read.
 2021-01-25 15:46:39 -08:00
Brad Fitzpatrick
4d3c09ced4 ipn/ipnserver: on Windows in unattended mode, wait for Engine forever 
Updates #1187
 2021-01-25 15:32:13 -08:00
Sonia Appasamy
567c5a6d9e
tailcfg, controlclient: add DisplayName field to tailcfg.Node and populate it from controlclient (#1191) 
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
 2021-01-25 17:41:39 -05:00
Brad Fitzpatrick
4fea604979 wgengine/router: stop setPrivateNetwork goroutine on configureInterface failure 
On Windows, configureInterface starts a goroutine reconfiguring the
Windows firewall.

But if configureInterface fails later, that goroutine kept running and
likely failing forever, spamming logs. Make it stop quietly if its
launching goroutine filed.
 2021-01-25 13:22:51 -08:00
Andrey Petrov
bf6205d200 LICENSE: Reformat for Github 
Should be equivalent to the license before, but compatible with the library Github uses to detect the license for the project's metadata: https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/licensing-a-repository#detecting-a-license

Signed-off-by: Andrey Petrov <andrey.petrov@shazow.net>
 2021-01-24 16:20:22 -08:00
David Anderson
9f7cbf6cf1 wgengine/filter: add a Clone method. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-22 17:31:37 -08:00
Brad Fitzpatrick
9ce92aad3e cmd/tailscaled: update depaware.txt 2021-01-22 14:44:40 -08:00
Brad Fitzpatrick
fa3543d629 control/controlclient: use more direct way of getting the MagicDNS suffix 
Suggested by Avery earlier. Ends up fixing bug in "tailscale status" when
MagicDNS if off too:
https://forum.tailscale.com/t/1-3-293-is-released-a-1-4-0-pre-release/349/11?u=bradfitz
 2021-01-22 14:30:56 -08:00
Brad Fitzpatrick
e7bf144c3f ipn, wgengine/filter: fix Shields Up recent regression and old bug 
Fixes #1192 (regression)
Fixes #1193 (old bug)
 2021-01-22 13:39:53 -08:00
Brad Fitzpatrick
97496a83af wgengine/tstun: also support DropSilently on PostFilterIn 
Not a problem (yet). But should be consistent with other places that support both
types of drops.
 2021-01-22 13:22:32 -08:00
Brad Fitzpatrick
eb47cba435 cmd/tailscaled: don't require --state for --cleanup 2021-01-22 11:35:22 -08:00
Brad Fitzpatrick
daf2c70a08 go.mod: bump wireguard-go 2021-01-21 20:03:35 -08:00
Josh Bleecher Snyder
d5baeeed5c wgengine: use Tailscale-style peer identifiers in logs 
Rewrite log lines on the fly, based on the set of known peers.

This enables us to use upstream wireguard-go logging,
but maintain the Tailscale-style peer public key identifiers
that the rest of our systems (and people) expect.

Fixes #1183

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
 2021-01-21 19:13:32 -08:00
Brad Fitzpatrick
4306433d1c cmd/tailscale: make "tailscale ping" also resolve names without DNS 
This lets "tailscale ping $NAME" work even if MagicDNS is off, letting you
ping a name that shows up in "tailscale status".

More user friendly.
 2021-01-21 15:45:36 -08:00
Brad Fitzpatrick
9541886856 wgengine/magicsock: disable regular STUNs for all platforms by default 
Reduces background CPU & network.

Updates #1034

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-21 14:56:07 -08:00
David Anderson
49d00b6a28 tailcfg: add StableID to Node. #1178 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-21 13:33:19 -08:00
Brad Fitzpatrick
54d0d83b67 safesocket: on Linux, make /var/run/tailscale be 0755 
Continuation of earlier two umask changes,
5611f290eb and
d6e9fb1df0.

This change mostly affects us, running tailscaled as root by hand (wit
a umask of 0077), not under systemd. End users running tailscaled
under systemd won't have a umask.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-21 13:23:14 -08:00
Steve Coffman
fec9490378 Add docker build script to inject version information 
Signed-off-by: Steve Coffman <steve@khanacademy.org>
 2021-01-21 12:42:53 -08:00
Brad Fitzpatrick
c55d26967b wgengine/magicsock: log more details of endpoints learned over disco 
Also, don't try to use IPv6 LinkLocalUnicast addresses for now. Like endpoints
exchanged with control, we share them but don't yet use them.

Updates #1172
 2021-01-21 08:06:14 -08:00
Brad Fitzpatrick
9f1b02699a tstime: add RandomDurationBetween helper 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-21 07:54:14 -08:00
Brad Fitzpatrick
a905ce5607 control/controlclient: add debug knob to not use control's endpoints 2021-01-20 21:31:06 -08:00
Brad Fitzpatrick
359055d3fa wgengine/magicsock: fix logging regression 
c8c493f3d9 made it always say
`created=false` which scared me when I saw it, as that would've implied
things were broken much worse. Fortunately the logging was just wrong.
 2021-01-20 20:48:02 -08:00
Brad Fitzpatrick
b5628cee4e control/controlclient: add detail to verbose log about route skips 2021-01-20 19:28:21 -08:00
Brad Fitzpatrick
edf64e0901 wgengine/magicsock: send, use endpoints in CallMeMaybe messages 
Fixes #1172

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-20 14:59:41 -08:00
Brad Fitzpatrick
ec77b80c53 tailcfg, control/controlclient: add mapver 10: MapResponse.PeerSeenChange 
This adds a more wire-efficient way of updating peers' Node.LastSeen times.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-20 13:20:21 -08:00
Brad Fitzpatrick
b5b4992eff disco: support parsing/encoding endpoints in call-me-maybe frames 
Updates #1172

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-20 12:16:33 -08:00
Josh Bleecher Snyder
d3dd7c6270 wgengine/magicsock: make legacy DstToString match Addrs 
DstToString is used in two places in wireguard-go: Logging and uapi.

We are switching to use uapi for wireguard-go config.
To preserve existing behavior, we need the full set of addrs.

And for logging, having the full set of addrs seems useful.

(The Addrs method itself is slated for removal. When that happens,
the implementation will move to DstToString.)


Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
 2021-01-20 10:31:51 -08:00
Brad Fitzpatrick
187e22a756 wgengine/magicsock: don't run the DERP cleanup so often 
To save CPU and wakeups, don't run the DERP cleanup timer regularly
unless there is a non-home DERP connection open.

Also eliminates the goroutine, moving to a time.AfterFunc.

Updates #1034

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-19 18:14:25 -08:00
David Anderson
ab9cccb292 cmd/tailscale/cli: require v4 and v6 default routes to be advertised together. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-19 16:49:06 -08:00
David Anderson
78338ac029 types/logger: trim spaces from the rate-limited example message. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-19 16:48:44 -08:00
Brad Fitzpatrick
b405644f5d api.md: add TOC 2021-01-19 12:35:09 -08:00
Josh Bleecher Snyder
5fe5402fcd Revert "wgengine/magicsock: shortcircuit discoEndpoint.heartbeat when its connection is closed" 
This reverts commit 08baa17d9a.
It caused deadlocks due to lock ordering violations.
It was not the right fix, and thus should simply be reverted
while we look for the right fix (if we haven't already found it
in the interim; we've fixed other logging-after-test issues).

Fixes #1161
 2021-01-19 11:44:32 -08:00
Josh Bleecher Snyder
e4c075cd95 wgengine/magicsock: prevent log-after-test in TestTwoDevicePing 2021-01-19 11:04:17 -08:00
Brad Fitzpatrick
edce91a8a6 wgengine/magicsock: fix a naked return bug/crash where we returned (nil, true) 
The 'ok' from 'ipp, ok :=' above was the result parameter ok. Whoops.
 2021-01-19 10:57:40 -08:00
Brad Fitzpatrick
51bd1feae4 wgengine/magicsock: add single element IPPort->endpoint cache in receive path 
name           old time/op  new time/op  delta
ReceiveFrom-4  21.8µs ± 2%  20.9µs ± 2%  -4.27%  (p=0.000 n=10+10)

Updates #414

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-18 21:40:58 -08:00
David Anderson
da4ec54756 tailcfg: remove v6-overlay debug option. 
It's about to become a no-op in control.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-18 17:47:23 -08:00
Brad Fitzpatrick
5c619882bc wgengine/magicsock: simplify ReceiveIPv4+DERP path 
name           old time/op  new time/op  delta
ReceiveFrom-4  35.8µs ± 3%  21.9µs ± 5%  -38.92%  (p=0.008 n=5+5)

Fixes #1145
Updates #414

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-01-18 15:23:17 -08:00