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Author SHA1 Message Date
Brad Fitzpatrick
52c0cb12fb stunner: return wrapped error (currently unused) 2020-03-12 11:21:19 -07:00
Brad Fitzpatrick
b4d02a251a syncs: add new package for extra sync types 2020-03-12 11:13:33 -07:00
David Crawshaw
57f220656c ipn: search for ErrStateNotExist with errors.Is 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-12 08:44:24 -04:00
Avery Pennarun
40c6f952c5 Merge branch 'master' of github.com:tailscale/tailscale into HEAD 
* 'master' of github.com:tailscale/tailscale:
  netcheck: fix data races for staggler STUN packets arriving after GetReport
  wgengine/magicsock: add a pointer value for logging
  netcheck: ignore IPv4 STUN failures if we saw at least one reply
  netcheck: ignore IPv6 STUN failures
  derp: add clients_replaced counter
  version: bump OSS version datestamp.
 2020-03-11 21:01:18 -04:00
Avery Pennarun
509247bf42 tailscale, tailscaled: update safesocket port number. 
This makes them able to connect to each other on Windows.
 2020-03-11 21:00:25 -04:00
Brad Fitzpatrick
afc3479d04 netcheck: fix data races for staggler STUN packets arriving after GetReport 
Fixes #179
 2020-03-11 15:35:12 -07:00
Brad Fitzpatrick
b3ddf51a15 wgengine/magicsock: add a pointer value for logging 
Updates #109

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-11 15:12:19 -07:00
Brad Fitzpatrick
0d3f42e1d8 netcheck: ignore IPv4 STUN failures if we saw at least one reply 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-11 13:57:23 -07:00
Brad Fitzpatrick
ed7e088729 netcheck: ignore IPv6 STUN failures 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-11 12:44:59 -07:00
Brad Fitzpatrick
4fd29349b9 derp: add clients_replaced counter 
Updates #109
 2020-03-11 11:55:43 -07:00
David Anderson
b364a871bf version: bump OSS version datestamp. 2020-03-11 10:47:37 -07:00
David Anderson
72d9e1d633 go.mod: bump wireguard-go version. 2020-03-11 10:32:50 -07:00
Brad Fitzpatrick
b0f8931d26 wgengine/magicsock: make a test signature a bit more explicit 2020-03-11 09:51:33 -07:00
David Crawshaw
7ec54e0064 wgengine/magicsock: remove TODO 
The TODO above derphttp.NewClient suggests it does network I/O,
but the derphttp client connects lazily and so creating one is
very cheap.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-11 12:17:37 -04:00
David Crawshaw
af58cfc476 go.mod: bump wireguard-go version 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-11 11:29:14 -04:00
Brad Fitzpatrick
01b4bec33f stunner: re-do how Stunner works 
It used to make assumptions based on having Anycast IPs that are super
near. Now we're intentionally going to a bunch of different distant
IPs to measure latency.

Also, optimize how the hairpin detection works. No need to STUN on
that socket. Just use that separate socket for sending, once we know
the other UDP4 socket's endpoint. The trick is: make our test probe
also a STUN packet, so it fits through magicsock's existing STUN
routing.

This drops netcheck from ~5 seconds to ~250-500ms.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-11 08:08:48 -07:00
David Anderson
4affea2691 go.mod: bump wireguard-go version. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-10 18:00:37 -07:00
David Anderson
77af7e5436 wgengine/magicsock: mark test logfunc as a helper. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-10 18:00:37 -07:00
David Anderson
7eda3af034 wgengine/magicsock: clean up derp http servers on shutdown. 
Failure to do this leads to fd exhaustion at -count=10000,
and increasingly poor execution north of -count=100.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-10 18:00:37 -07:00
David Anderson
d651715528 wgengine/magicsock: synchronize test STUN shutdown. 
Failure to do so triggers either a data race or a panic
in the testing package, due to racey use of t.Logf.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-10 18:00:37 -07:00
David Anderson
86baf60bd4 wgengine/magicsock: synchronize epUpdate cleanup on shutdown. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-10 18:00:37 -07:00
Brad Fitzpatrick
023df9239e Move linkstate boring change filtering to magicsock 
So we can at least re-STUN on boring updates.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-10 12:50:03 -07:00
David Anderson
592fec7606 wgengine/magicsock: move device close to uncursed portion of test. 
Device close used to suffer from deadlocks, but no longer.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-10 11:57:57 -07:00
Brad Fitzpatrick
a265d7cbff wgengine/magicsock: in STUN-disabled test mode, let endpoint discovery proceed 2020-03-10 11:35:43 -07:00
Brad Fitzpatrick
5c1e443d34 wgengine/monitor: don't call LinkChange when interfaces look unchanged 
Basically, don't trust the OS-level link monitor to only tell you
interesting things. Sanity check it.

Also, move the interfaces package into the net directory now that we
have it.
 2020-03-10 11:03:19 -07:00
Brad Fitzpatrick
39c0ae1dba derp/derpmap: new DERP config package, merge netcheck into magicsock more 
Fixes #153
Updates #162
Updates #163

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-10 10:37:25 -07:00
Brad Fitzpatrick
bd0e20f351 net/dnscache: ignore annoying staticcheck check 2020-03-09 22:12:22 -07:00
Brad Fitzpatrick
d44325295e net/dnscache: initialize the single Resolver more directly 2020-03-09 21:05:01 -07:00
Brad Fitzpatrick
d07146aafb go.mod, go.sum: update 2020-03-09 21:01:08 -07:00
David Crawshaw
5f2a17482b ipn: when enforcing defaults, set UsePacketFilter=true 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-09 14:58:20 -04:00
David Crawshaw
cac68fe102 net/dnscache: do not PreferGo on macOS/iOS 
With this commit my iPhone can now DERP.
 2020-03-09 14:20:09 -04:00
Brad Fitzpatrick
5d8001d0ad derp: add varz for home moves 
Updates #162
Updates #163 (maybe)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-09 11:09:27 -07:00
Brad Fitzpatrick
8f0fd01efd net/dnscache: add copyright header to test 2020-03-09 11:07:31 -07:00
David Crawshaw
5a1ce4adae net/dnscache: parse passed CIDR 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-09 13:11:35 -04:00
Brad Fitzpatrick
4800926006 wgengine/magicsock: add AddrSet appendDests+UpdateDst tests 2020-03-09 09:13:28 -07:00
David Crawshaw
e201f63230 magicsock: unskip tests that are reliable 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-08 09:29:37 -04:00
David Crawshaw
f5e0407e97 ipn: exercise logout in e2e test 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-08 09:03:27 -04:00
David Crawshaw
0f73070a57 wgengine: shut down wireguard on Close 
This was (presumably) missing from wgengine because the
interactions between magicsock and wireguard-go meant that the
shutdown never worked. Now those are fixed, actually shut down.

Fixes occasional flake in expanded ipn/e2e_test.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-08 09:03:27 -04:00
David Crawshaw
d99498bee2 controlclient: set default TimeNow function 
Panic on call to nil func found by expanded ipn/e2e_test.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-08 09:03:27 -04:00
David Crawshaw
1dee36a984 ipn: put e2e login section in its own subtest 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-08 09:03:27 -04:00
David Crawshaw
66505358c0 ipn: move e2e test skipping into subtests 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-08 09:03:07 -04:00
David Crawshaw
ce7f6b2df1 wgengine: have pinger use all single-IP routes 
Fixes #139

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-08 07:09:38 -04:00
Martin Baillie
8ae3ba0cf5 wgengine: define default tunname for each platform 
The device name "tailscale0" will be used for all platforms except for
OpenBSD where "tun" is enforced by the kernel. `CreateTUN()` in
`wireguard-go` will select the next available "tunX" device name on the
OpenBSD system.

Signed-off-by: Martin Baillie <martin@baillie.email>
 2020-03-07 21:40:01 -08:00
David Anderson
bb93d7aaba wgengine/magicsock: plumb logf throughout, and expose in Options. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-07 14:11:28 -08:00
Brad Fitzpatrick
f42b9b6c9a wgengine/magicsock: don't discard UDP packet on UDP+DERP race 
Fixes #155

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-07 14:09:06 -08:00
David Anderson
96e0f86263 go.mod: bump wireguard-go. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-06 23:38:02 -08:00
David Anderson
b9512edb7b go.mod: bump wireguard-go version. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-06 20:49:31 -08:00
David Anderson
e3172ae267 wgengine/magicsock: uncurse TestDeviceStartStop, let CI run it. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-06 20:43:57 -08:00
David Anderson
9b802d338c go.mod: pull in deadlock fix from tailscale/wireguard-go. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-06 20:43:38 -08:00
David Anderson
f265603110 wgengine/magicsock: fix data race in ReceiveIPv4. 
The UDP reader goroutine was clobbering `n` and `err` from the
main goroutine, whose accesses are not synchronized the way `b` is.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-03-06 20:41:15 -08:00