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Author SHA1 Message Date
Brad Fitzpatrick
666d404066 ipn: put discovery key generation behind an environment flag for now 
Later we'll want to use the presence of a discovery key as a signal
that the node knows how to participate in discovery. Currently the
code generates keys and sends them to the control server but doesn't
do anything with them, which is a bad state to stay in lest we release
this code and end up with nodes in the future that look like they're
functional with the new discovery protocol but aren't.

So for now, make this opt-in as a debug option for now, until the rest
of it is in.

Updates #483
 2020-06-20 10:18:13 -07:00
Dmytro Shynkevych
00ca17edf4 ipn: fix race in enterState 
Signed-Off-By: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-06-19 13:42:05 -07:00
Brad Fitzpatrick
53fb25fc2f all: generate discovery key, plumb it around 
Not actually used yet.

Updates #483
 2020-06-19 12:12:00 -07:00
Brad Fitzpatrick
88c305c8af tailcfg: add DiscoKey, unify some code, add some tests 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-06-19 09:22:34 -07:00
Brad Fitzpatrick
d9054da86a wgengine: disambiguate Reconfig logging paths 2020-06-18 22:07:20 -07:00
David Anderson
0ecaf7b5ed control/controlclient: make netmap generation use rate-limited logger. 2020-06-18 23:24:44 +00:00
David Anderson
401e2ec307 control/controlclient: delete unused function. 2020-06-18 23:20:01 +00:00
Brad Fitzpatrick
58c9591a49 version: bump date 2020-06-18 09:10:50 -07:00
David Anderson
10368ef4c0 go.mod: bump wireguard-go version. 2020-06-17 02:54:18 +00:00
Dmytro Shynkevych
c12d87c54b
Fix concurrency issues in controlclient, ipn, types/logger (#456) 
Signed-Off-By: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-06-15 19:04:12 -04:00
Brad Fitzpatrick
c8cf3169ba cmd/derper, derp/derphttp: move bulk of derp mesh code into derphttp 
To be reused in various other tools.
 2020-06-15 11:58:10 -07:00
Brad Fitzpatrick
7cbf6ab771 cmd/derper: remove unused parameter in runMeshClient 2020-06-15 11:35:50 -07:00
Avery Pennarun
5d4415399b Merge remote-tracking branch 'origin/master' into main 
* origin/master:
  Fix staticcheck warning, add Makefile with staticcheck targets, lock in staticcheck version in go.mod
 2020-06-15 14:23:19 -04:00
Brad Fitzpatrick
6757c990a8 Fix staticcheck warning, add Makefile with staticcheck targets, lock in staticcheck version in go.mod 2020-06-15 11:05:46 -07:00
Brad Fitzpatrick
08a6eeb55a Fix staticcheck warning, add Makefile with staticcheck targets, lock in staticcheck version in go.mod 2020-06-15 11:04:19 -07:00
Avery Pennarun
d9fd5db1e1 Rename master -> main. 
Background:
https://www.zdnet.com/article/github-to-replace-master-with-alternative-term-to-avoid-slavery-references/
 2020-06-15 13:47:11 -04:00
Brad Fitzpatrick
abd79ea368 derp: reduce DERP memory use; don't require callers to pass in memory to use 
The magicsock derpReader was holding onto 65KB for each DERP
connection forever, just in case.

Make the derp{,http}.Client be in charge of memory instead. It can
reuse its bufio.Reader buffer space.
 2020-06-15 10:26:50 -07:00
Quoc-Viet Nguyen
15a23ce65f net/stun: Remove unreachable code 
- Reuse IP length constants from net package.
- Remove beu16 to make endianness functions consistent.

Signed-off-by: Quoc-Viet Nguyen <afelion@gmail.com>
 2020-06-15 07:55:21 -07:00
Brad Fitzpatrick
a036c8c718 version: add blank line to separate comment from package line 
So it's not a package comment.
 2020-06-15 07:50:51 -07:00
David Anderson
0371848097 Revert "version: delete GENERATE.go." 
This reverts commit a447caebf8.
 2020-06-12 23:32:22 +00:00
David Anderson
4c23b5e4ea version: remove leftover debug print. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-06-12 22:38:12 +00:00
David Anderson
03aa319762 version: add an AtLeast helper to compare versions. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-06-12 14:28:21 -07:00
David Anderson
9dd3544e84 version: bump oss datestamp. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-06-12 18:49:55 +00:00
David Anderson
1f4ccae591 version: remove comment about being unused. 
version.SHORT is now being used in various places.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-06-12 18:46:17 +00:00
David Anderson
a447caebf8 version: delete GENERATE.go. 
It existed previously to persuade Go that redo-ful directory was
a Go package prior to the first build. But now we have other Go
files in the directory that will fulfil that function.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-06-12 18:37:10 +00:00
Brad Fitzpatrick
50b2e5ffe6 log/logheap: appease staticcheck 2020-06-12 10:31:42 -07:00
Brad Fitzpatrick
8edcab04d5 log/logheap: change to POST to a URL instead of logging 
It's too big to log.
 2020-06-12 10:13:08 -07:00
Brad Fitzpatrick
51f421946f tailcfg: add some example strings in comments 2020-06-12 08:17:31 -07:00
Brad Fitzpatrick
deb113838e net/netcheck: use logger.ArgWriter in logConciseReport, fix comma bug, add tests 2020-06-11 21:37:15 -07:00
Brad Fitzpatrick
280e8884dd wgengine/magicsock: limit redundant log spam on packets from low-pri addresses 
Fixes #407

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-06-11 09:40:55 -07:00
David Anderson
d05b0500ac wgengine: loop back tuntap packets destined for local IPs. 
macOS incorrectly sends packets for the local Tailscale IP
into our tunnel interface. We have to turn the packets around
and send them back to the kernel.

Fixes tailscale/corp#189.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-06-09 18:55:57 -07:00
Zijie Lu
d1a30be275 tsweb: JSONHandler: supports HTTPError 
Signed-off-by: Zijie Lu <zijie@tailscale.com>
 2020-06-09 17:40:45 -04:00
Avery Pennarun
51d176ecff wgengine: Remove leftover debug message. 
Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
 2020-06-09 17:03:52 -04:00
Dmytro Shynkevych
07e02ec9d3
wgengine/tsdns: add test and prevent useless updates (#449) 
Signed-Off-By: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-06-09 13:09:43 -04:00
Dmytro Shynkevych
511840b1f6
tsdns: initial implementation of a Tailscale DNS resolver (#396) 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-06-08 18:19:26 -04:00
Zijie Lu
5e1ee4be53 tsweb: fix JSONHandler nil response 
Signed-off-by: Zijie Lu <zijie@tailscale.com>
 2020-06-08 15:48:38 -04:00
Brad Fitzpatrick
c3f7733f53 logpolicy: don't check version.CmdName on Windows unnecessarily 
... it was crashing for some reason, running out of stack while
loading a DLL in goversion. I don't understand Windows (or the Go
runtime for Windows) enough to know why that'd be problematic in that
context.

In any case, don't call it, as tryFixLogStateLocation does nothing on
Windows anyway.

tryFixLogStateLocation should probably just call version.CmdName
itself if/when it needs to, after the GOOS check.
 2020-06-08 10:32:34 -07:00
Brad Fitzpatrick
5c9ddf5e76 version: fix typo in comment 2020-06-08 10:30:16 -07:00
Brad Fitzpatrick
2ca2389c5f portlist: set SysProcAttr.HideWindow on Windows 
Prevents annoying shell window flashes when running /server by hand.
 2020-06-08 09:04:31 -07:00
Brad Fitzpatrick
07ca0c1c29 derp: fix tracking problem if conn starts local, then also joins mesh peer 2020-06-05 12:53:43 -07:00
Brad Fitzpatrick
39f2fe29f7 tempfork/registry: work around issue with Tailscale's redo build system 
Updates tailscale/corp#293
 2020-06-05 10:46:15 -07:00
Brad Fitzpatrick
1cb7dab881 cmd/derper: support forwarding packets amongst set of peer DERP servers 
Updates #388

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-06-05 10:14:33 -07:00
Brad Fitzpatrick
e441d3218e tempfork/registry: add golang.org/x/sys/windows/registry + CL 236681 
Temporary fork of golang.org/x/sys/windows/registry with:

   windows/registry: add Key.WaitChange wrapper around RegNotifyChangeKeyValue
   https://go-review.googlesource.com/c/sys/+/236681
 2020-06-05 09:45:16 -07:00
Dmytro Shynkevych
02231e968e
wgengine/tstun: add tests and benchmarks (#436) 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-06-05 11:19:03 -04:00
Avery Pennarun
6f590f5b52 logtail: we missed a case for the backoff timer. 
We want to run bo.Backoff() after every upload, regardless. If
upload==true but err!=nil, we weren't backing off, which caused some
very-high-throughput log upload retries in bad network conditions.

Updates #282.

Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
 2020-06-05 03:55:45 -04:00
halulu
1d2e497d47
tsweb: JSONHandler using reflect (#437) 
Updates #395 #437

Signed-off-by: Zijie Lu <zijie@tailscale.com>
 2020-06-05 00:10:50 -04:00
Dmytro Shynkevych
059b1d10bb
wgengine/packet: refactor and expose UDP header marshaling (#408) 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-06-04 18:42:44 -04:00
Brad Fitzpatrick
5e0ff494a5 derp: change NewClient constructor to an option pattern 
(The NewMeshClient constructor I added recently was gross in
retrospect at call sites, especially when it wasn't obvious that a
meshKey empty string meant a regular client)
 2020-06-04 11:40:12 -07:00
Brad Fitzpatrick
4d599d194f derp, derp/derphttp: add key accessors, add Client.RecvDetail 
Client.RecvDetail returns a connection generation so interested clients
can detect when a reconnect happened. (Will be needed for #388)
 2020-06-04 11:35:53 -07:00
Brad Fitzpatrick
b33c86b542 derp: add an unexported key.Public zero value variable to be less verbose 2020-06-04 11:28:00 -07:00