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23 Commits

Author SHA1 Message Date
Brad Fitzpatrick b27d4c017a magicsock, wgengine, ipn, controlclient: plumb regular netchecks to map poll 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-03-04 08:19:45 -08:00
David Crawshaw 61529ac459 controlclient, tailcfg: deliver DERP addresses in a separate field 
We still include them directly in the controlclient network map
just where we have been. Client plumbing we can do later.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-03-02 17:16:17 -05:00
Brad Fitzpatrick 7172f3dbf4 version: add IsMobile func 
And use it control/controlclient.
 2020-03-02 12:37:28 -08:00
David Crawshaw d417be6a4b controlclinet: clone filter.MatchAllowAll 
This avoids a non-obvious data race, where the JSON decoder ends
up creating do-nothing writes into global variables.

	==================
	WARNING: DATA RACE
	Write at 0x0000011e1860 by goroutine 201:
	  tailscale.com/wgengine/packet.(*IP).UnmarshalJSON()
	      /home/crawshaw/repo/corp/oss/wgengine/packet/packet.go:83 +0x2d9
	  encoding/json.(*decodeState).literalStore()
	      /home/crawshaw/go/go/src/encoding/json/decode.go:877 +0x445e
	...
	  encoding/json.Unmarshal()
	      /home/crawshaw/go/go/src/encoding/json/decode.go:107 +0x1de
	  tailscale.com/control/controlclient.(*Direct).decodeMsg()
	      /home/crawshaw/repo/corp/oss/control/controlclient/direct.go:615 +0x1ab
	  tailscale.com/control/controlclient.(*Direct).PollNetMap()
	      /home/crawshaw/repo/corp/oss/control/controlclient/direct.go:525 +0x1053
	  tailscale.com/control/controlclient.(*Client).mapRoutine()
	      /home/crawshaw/repo/corp/oss/control/controlclient/auto.go:428 +0x3a6
	Previous read at 0x0000011e1860 by goroutine 86:
	  tailscale.com/wgengine/filter.matchIPWithoutPorts()
	      /home/crawshaw/repo/corp/oss/wgengine/filter/match.go:108 +0x91
	  tailscale.com/wgengine/filter.(*Filter).runIn()
	      /home/crawshaw/repo/corp/oss/wgengine/filter/filter.go:147 +0x3c6
	  tailscale.com/wgengine/filter.(*Filter).RunIn()
	      /home/crawshaw/repo/corp/oss/wgengine/filter/filter.go:127 +0xb0
	  tailscale.com/wgengine.(*userspaceEngine).SetFilter.func1()
	      /home/crawshaw/repo/corp/oss/wgengine/userspace.go:390 +0xfc
	  github.com/tailscale/wireguard-go/device.(*Device).RoutineDecryption()
	      /home/crawshaw/repo/corp/wireguard-go/device/receive.go:295 +0xa1f

For #112

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-02-28 22:33:06 -05:00
David Crawshaw 4e3ff4b63b controlclient: allow prefixed endpoints in tests 2020-02-27 16:52:14 -05:00
Brad Fitzpatrick 25797c8c2a all: rename deep "Copy" methods to conventional Go name "Clone" 2020-02-27 12:20:29 -08:00
David Crawshaw 6879581891 controlclient: adjust user expiry test 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-02-26 09:44:42 -05:00
Brad Fitzpatrick 758744a4e3 Fix some Hostinfo value usages from the previous commit. 2020-02-25 11:01:20 -08:00
Brad Fitzpatrick d8de11a01b control: make Hostinfo accessed by pointer 
Fix potential races in copying aliased slices by value.

Also few little doc updates.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-02-25 10:35:51 -08:00
Brad Fitzpatrick cc7b9b0dff control/controlclient: fix priority of DERP server, add comment 2020-02-21 14:47:05 -08:00
Brad Fitzpatrick c02f4b5a1f control/controlclient: add temporary mechanism to force derp on 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-02-21 14:09:24 -08:00
David Anderson 59ba2e6316 ipn: implement Prefs.Equals efficiently. 
Signed-off-by: David Anderson <dave@natulte.net>
 2020-02-17 15:01:23 -08:00
Brad Fitzpatrick 2896be60db Move "logger" package to under types, now that we have it. 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-02-14 20:23:05 -08:00
Brad Fitzpatrick 747c7d7ce2 types/empty: add Message, stop using mysterious *struct{} 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-02-14 13:35:49 -08:00
Brad Fitzpatrick 587c3fcac4 control/controlclient, wgengine/magicsock: misc cleanups 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2020-02-14 09:50:08 -08:00
David Crawshaw 2b947b3b40 controlclient: handle nil Logf option 2020-02-11 15:08:07 -05:00
Shawn Smith 1ca83fd205 fix typos 
Signed-off-by: Shawn Smith <shawnpsmith@gmail.com>
 2020-02-11 08:55:11 -08:00
David Crawshaw 33dfb8999e controlclient, ipn: update tests for key pointer change 
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
 2020-02-11 04:55:07 -05:00
David Anderson 542f46ed4d controlclient: remove unused function. 
Signed-off-by: David Anderson <dave@natulte.net>
 2020-02-10 23:21:08 -08:00
David Anderson 2227ede8af controlclient: fix staticcheck lint. 
Signed-off-by: David Anderson <dave@natulte.net>
 2020-02-10 23:16:13 -08:00
David Anderson fe9af19da9 controlclient: remove unnecessary comparison to bool. 
Signed-off-by: David Anderson <dave@natulte.net>
 2020-02-10 23:14:38 -08:00
David Crawshaw 87334fb332 wgengine, controlclient: fewer pointers in wgcfg key types 
Signed-off-by: David Crawshaw <david@zentus.com>
 2020-02-10 22:09:59 -05:00
Earl Lee a8d8b8719a Move Linux client & common packages into a public repo. 2020-02-09 09:32:57 -08:00