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Author SHA1 Message Date
Brad Fitzpatrick
1aeeeb7e45 net/netcheck: do PCP discovery without side effects 
Manually cherry-picked subset of c64bd587ae
back into the 1.4 branch.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-02-23 15:00:57 -08:00
David Anderson
3b9fcc2b81 wgengine/monitor: don't log any single-IP routes added to the tailscale table. 
Signed-off-by: David Anderson <danderson@tailscale.com>
(cherry picked from commit 6e42430ad8)
 2021-02-23 15:00:57 -08:00
David Anderson
d51ebe38d4 wgengine/monitor: on linux, also monitor for IPv6 changes. 
Signed-off-by: David Anderson <danderson@tailscale.com>
(cherry picked from commit df5adb2e23)
 2021-02-23 15:00:57 -08:00
Brad Fitzpatrick
b8b83c8a3f wgengine/magicsock: fix discoEndpoint caching bug when a node key changes 
Fixes #1391

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit e9e4f1063d)
 2021-02-23 15:00:53 -08:00
Brad Fitzpatrick
2d0bd18a08 wgengine/tsdns: skip test that requires local IPv6 when IPv6 unavailable 
Fixes #1292

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-02-16 15:07:35 -05:00
Brad Fitzpatrick
16c67870d3 wgengine/winnet: don't build on non-windows 
It only affects 'go install ./...', etc, and only on darwin/arm64 (M1 Macs) where
the go-ole package doesn't compile.

No need to build it.

Updates #943

(cherry picked from commit cbd6224ca4)
 2021-02-16 11:51:28 -08:00
David Anderson
64a9656c01 VERSION.txt: this is v1.4.4 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-02-10 13:28:13 -08:00
Brad Fitzpatrick
b26876427c wgengine/router: add another Windows firewall rule to allow incoming UDP 
Based on @sailorfrag's research.

Fixes #1312

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-02-10 13:19:26 -08:00
Brad Fitzpatrick
cc2ec141fe wgengine/magicsock: reconnect to DERP home after network comes back up 
Updates #1310
 2021-02-10 13:19:26 -08:00
Brad Fitzpatrick
d2c1ae7ed4 VERSION.txt: this is v1.4.3 2021-02-08 19:22:17 -08:00
Brad Fitzpatrick
121f5a00f7 wgengine/magicsock: fix DERP reader hang regression during concurrent reads 
Fixes #1282

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit 6b365b0239)
 2021-02-08 14:39:02 -08:00
Brad Fitzpatrick
d06ceffd02 wgengine/magicsock: add disabled failing (deadlocking) test for #1282 
The fix can make this test run unconditionally.

This moves code from 5c619882bc for
testability but doesn't fix it yet. The #1282 problem remains (when I
wrote its wake-up mechanism, I forgot there were N DERP readers
funneling into 1 UDP reader, and the code just isn't correct at all
for that case).

Also factor out some test helper code from BenchmarkReceiveFrom.

The refactoring in magicsock.go for testability should have no
behavior change.

(cherry picked from commit 6d2b8df06d)
 2021-02-08 14:38:37 -08:00
Brad Fitzpatrick
0cf60b5185 control/controlclient: don't call lite endpoint update path when logged out 
This was the other half of the #1271 problem.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit e8d4afedd1)
 2021-02-05 10:04:04 -08:00
Brad Fitzpatrick
910682c851 control/controlclient: avoid crash sending map request with zero node key 
Fixes #1271

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit 7529b74018)
 2021-02-05 10:04:03 -08:00
Brad Fitzpatrick
c027962893 wgengine: access flow pending problem with lock held 
Missed review feedback from just-submitted d37058af72.

(cherry picked from commit 70eb05fd47)
 2021-02-04 11:19:54 -08:00
Brad Fitzpatrick
acc50d6b67 net/packet: add some more TSMP packet reject reasons and MaybeBroken bit 
Unused for now, but I want to backport this commit to 1.4 so 1.6 can
start sending these and then at least 1.4 logs will stringify nicely.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit d37058af72)
 2021-02-04 10:59:17 -08:00
Brad Fitzpatrick
a2ab23ba6c wgengine/magicsock: filter disco packets and packets when stopped from wireguard 
Fixes #1167
Fixes tailscale/corp#219

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit f7eed25bb9)
 2021-02-04 09:38:24 -08:00
Brad Fitzpatrick
71b13b5ac2 cmd/tailscale: fix IPN message reading stall in tailscale status -web 
Fixes #1234
Updates #1254

(cherry picked from commit 9a70789853)
 2021-02-02 14:58:47 -08:00
David Crawshaw
1c238cdce6 net/interfaces: use a uint32_t for ipv4 address 
The code was using a C "int", which is a signed 32-bit integer.
That means some valid IP addresses were negative numbers.
(In particular, the default router address handed out by AT&T
fiber: 192.168.1.254. No I don't know why they do that.)
A negative number is < 255, and so was treated by the Go code
as an error.

This fixes the unit test failure:

	$ go test -v -run=TestLikelyHomeRouterIPSyscallExec ./net/interfaces
	=== RUN   TestLikelyHomeRouterIPSyscallExec
	    interfaces_darwin_cgo_test.go:15: syscall() = invalid IP, false, netstat = 192.168.1.254, true
	--- FAIL: TestLikelyHomeRouterIPSyscallExec (0.00s)

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
(cherry picked from commit d139fa9c92)
 2021-02-02 14:58:45 -08:00
David Anderson
a9f58fe822 VERSION.txt: this is v1.4.2 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-02-01 16:24:43 -08:00
David Anderson
5417ca69a7 wgengine/router: probe better for v6 policy routing support. 
Previously we disabled v6 support if the disable_policy knob was
missing in /proc, but some kernels support policy routing without
exposing the toggle. So instead, treat disable_policy absence as a
"maybe", and make the direct `ip -6 rule` probing a bit more
elaborate to compensate.

Fixes #1241.

Signed-off-by: David Anderson <danderson@tailscale.com>
(cherry picked from commit 267531e4f8)
 2021-02-01 16:13:32 -08:00
Brad Fitzpatrick
03e640e94d wgengine/router: clarify disabled IPv6 message on Linux 
(cherry picked from commit 1f97037b94baf92bf26598c38987e4d69079efb7)
 2021-02-01 14:09:50 -08:00
Brad Fitzpatrick
138bcae525 cmd/tailscale/cli: recommend sudo for 'tailscale up' on failure 
Fixes #1220

(cherry picked from commit c7d4bf2333)
 2021-02-01 13:54:48 -08:00
Brad Fitzpatrick
bb0ef32dd2 cmd/tailscaled/tailscaled.service: revert recent hardening for now 
It broke Debian Stretch. We'll try again later.

Updates #1245

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit 2889fabaef)
 2021-02-01 13:38:09 -08:00
David Anderson
dde7ba4ecf VERSION.txt: this is v1.4.1 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-28 13:54:32 -08:00
Brad Fitzpatrick
fc30cff688 wgengine/router: don't configure IPv6 on Linux when IPv6 is unavailable 
Fixes #1214

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
(cherry picked from commit c7fc4a06da)
 2021-01-28 13:45:59 -08:00
David Anderson
775fe13e27 cmd/tailscaled: add /run to the allowed paths for iptables. 
Signed-off-by: David Anderson <danderson@tailscale.com>
(cherry picked from commit de497358b8)
 2021-01-28 13:45:08 -08:00
Josh Bleecher Snyder
2e33fdfe67 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>
(cherry picked from commit 1e28207a15)
 2021-01-28 10:22:09 -08:00
David Anderson
3d7cff91b3 VERSION.txt: this is v1.4.0 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-01-27 15:40:21 -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