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Author SHA1 Message Date
David Crawshaw
990e2f1ae9 tailcfg: generate some Clone methods 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-07-27 11:08:09 +10:00
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
Brad Fitzpatrick
e298327ba8 wgengine/magicsock: remove overkill, slow reflect.DeepEqual of NetworkMap 
No need to allocate or compare all the fields we don't care about.
 2020-07-25 19:37:08 -07:00
Brad Fitzpatrick
be3ca5cbfd control/controlclient: remove unused, slow, often-not-what-you-want NetworkMap.Equal 2020-07-25 19:36:39 -07:00
Brad Fitzpatrick
4970e771ab wgengine: add debug knob to disable the watchdog during debugging 
It launches goroutines and interferes with panic-based debugging,
obscuring stacks.
 2020-07-25 12:59:53 -07:00
David Anderson
3669296cef wgengine/magicsock: refactor twoDevicePing to make stack construction cleaner. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-07-24 15:12:15 -07:00
Elias Naur
0a42b0a726 ipn: add OSVersion, DeviceModel fields to Prefs and propagate to Hostinfos 
Needed for Android.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
 2020-07-24 14:12:29 -07:00
Brad Fitzpatrick
16a9cfe2f4 wgengine: configure wireguard peers lazily, as needed 
wireguard-go uses 3 goroutines per peer (with reasonably large stacks
& buffers).

Rather than tell wireguard-go about all our peers, only tell it about
peers we're actively communicating with. That means we need hooks into
magicsock's packet receiving path and tstun's packet sending path to
lazily create a wireguard peer on demand from the network map.

This frees up lots of memory for iOS (where we have almost nothing
left for larger domains with many users).

We should ideally do this in wireguard-go itself one day, but that'd
be a pretty big change.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-24 12:50:15 -07:00
Brad Fitzpatrick
5066b824a6 wgengine/magicsock: don't log about disco ping timeouts if we have a working address 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-24 11:21:50 -07:00
Brad Fitzpatrick
648268192b go.mod: bump wireguard-go 2020-07-24 08:54:17 -07:00
Brad Fitzpatrick
a89d610a3d wgengine/tstun: move sync.Pool to package global 
sync.Pools should almost always be packate globals, even though in this
case we only have exactly 1 TUN device anyway, so it matters less.
Still, it's unusual to see a Pool that's not a package global, so move it.
 2020-07-24 08:29:36 -07:00
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
Dmytro Shynkevych
c53ab3111d wgengine/router: support legacy resolvconf 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-23 15:01:46 -04:00
Brad Fitzpatrick
05a79d79ae control/controlclient: rewrite, test NetworkMap.ConciseDiffFrom 
It stood out a lot in hello.ipn.dev's profiles for generating a lot of
garbage (and thus GC CPU).
 2020-07-23 10:50:06 -07:00
Brad Fitzpatrick
48fc9026e9 tailcfg: optimize Node.Equal allocs a bit 
Noticed while working on something else.
 2020-07-23 10:47:49 -07:00
Brad Fitzpatrick
3b0514ef6d control/controlclient: rename uflags, give it a type, remove dead code 2020-07-23 08:38:14 -07:00
Brad Fitzpatrick
32ecdea157 control/controlclient: generate wireguard config w/o WgQuick text indirection 2020-07-23 08:30:09 -07:00
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
David Anderson
189d86cce5 wgengine/router: don't use 88 or 8888 as table/rule numbers. 
We originally picked those numbers somewhat at random, but with the idea
that 8 is a traditionally lucky number in Chinese culture. Unfortunately,
"88" is also neo-nazi shorthand language.

Use 52 instead, because those are the digits above the letters
"TS" (tailscale) on a qwerty keyboard, so we're unlikely to collide with
other users. 5, 2 and 52 are also pleasantly culturally meaningless.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-07-22 11:59:54 -07:00
Dmytro Shynkevych
218de6d530
ipn: load hostname in Start. 
This prevents hostname being forced to os.Hostname despite override
when control is contacted for the first time after starting tailscaled.

Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-22 13:37:41 -04:00
Brad Fitzpatrick
de11f90d9d ipn: remove unused parameter to func LoadPrefs, fix godoc subject 2020-07-22 10:35:35 -07:00
David Anderson
972a42cb33 wgengine/router: fix router_test to match the new marks. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-07-22 01:31:49 +00:00
David Anderson
d60917c0f1 wgengine/router: switch packet marks to avoid conflict with Weave Net. 
Signed-off-by: David Anderson <danderson@tailscale.com>
 2020-07-22 01:24:46 +00:00
Brad Fitzpatrick
f26b409bd5 tempfork: add lite fork of net/http/pprof w/o html/template or reflect 2020-07-21 16:17:03 -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
f745e1c058 version: new week, new version 2020-07-20 20:55:47 -07:00
Brad Fitzpatrick
ca2428ecaf tailcfg: add Hostinfo.OSVersion, DeviceModel 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-20 16:10:06 -07:00
Brad Fitzpatrick
d8e67ca2ab safesocket: gofmt 
gofmt differences between versions :(
 2020-07-20 14:40:19 -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
f267a7396f metrics: add LabelMap.GetFloat 2020-07-19 12:31:12 -07:00
Brad Fitzpatrick
c06d2a8513 wgengine/magicsock: fix typo in comment 2020-07-18 13:57:26 -07:00
Brad Fitzpatrick
bf195cd3d8 wgengine/magicsock: reduce log verbosity of discovery messages 
Don't log heartbeat pings & pongs. Track the reason for pings and then
only log the ping/pong traffic if it was for initial path discovery.
 2020-07-18 13:54:00 -07:00
Brad Fitzpatrick
7cf50f6c84 go.sum: update 2020-07-18 13:43:11 -07:00
Dmytro Shynkevych
3efc29d39d
go.mod: bump netaddr. 
Closes #567.

Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-18 04:28:03 -04:00
Dmytro Shynkevych
a3e7252ce6 wgengine/router: use better NetworkManager API 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-18 04:03:45 -04:00
Eduardo Kienetz
5df6be9d38 Use LittleEndian for correct byte order on DNS IPs 
Nameserver IP 10.11.12.13 would otherwise get written to resolv.conf as 13.12.11.10, as was happening on my client.

Signed-off-by: Eduardo Kienetz <eduardo@kienetz.com>
 2020-07-17 23:34:28 -07:00
Brad Fitzpatrick
52969bdfb0 derp: fix atomic padding on 32-bit again 
Broken by earlier OnlyDisco addition.
 2020-07-16 13:38:21 -07:00
Brad Fitzpatrick
a6559a8924 wgengine/magicsock: run test DERP in mode where only disco packets allowed 
So we don't accidentally pass a NAT traversal test by having DERP pick up our slack
when we really just wanted DERP as an OOB messaging channel.
 2020-07-16 12:58:35 -07:00
Brad Fitzpatrick
75e1cc1dd5 github/workflows: add go vet ./... step 2020-07-16 09:15:09 -07:00
Brad Fitzpatrick
10ac066013 all: fix vet warnings 2020-07-16 08:39:38 -07:00
Brad Fitzpatrick
d74c9aa95b wgengine/magicsock: update comment, fix earlier commit 
891898525c had a continue that meant the didCopy synchronization never ran.
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-16 08:29:38 -07:00
Brad Fitzpatrick
c976264bd1 wgengine/magicsock: gofmt 2020-07-16 08:15:27 -07:00
Dmytro Shynkevych
f3e2b65637
wgengine/magicsock: time.Sleep -> time.After 
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-16 11:04:53 -04:00
Dmytro Shynkevych
380ee76d00
wgengine/magicsock: make time.Sleep in runDerpReader respect cancellation. 
Before this patch, the 250ms sleep would not be interrupted by context cancellation,
which would result in the goroutine sometimes lingering in tests (100ms grace period).

Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-16 10:45:48 -04:00
Dmytro Shynkevych
891898525c
wgengine/magicsock: make receive from didCopy respect cancellation. 
Very rarely, cancellation occurs between a successful send on derpRecvCh
and a call to copyBuf on the receiving side.
Without this patch, this situation results in <-copyBuf blocking indefinitely.

Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
 2020-07-16 10:34:49 -04:00
Brad Fitzpatrick
1f923124bf ipn/ipnserver: support simultaneous connections 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-07-15 21:39:09 -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