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tailscale/ipn/ipnlocal
Avery Pennarun eaa6507cc9 ipnlocal: in Start() fast path, don't forget to send Prefs.
The resulting empty Prefs had AllowSingleHosts=false and
Routeall=false, so that on iOS if you did these steps:
- Login and leave running
- Terminate the frontend
- Restart the frontend (fast path restart, missing prefs)
- Set WantRunning=false
- Set WantRunning=true
...then you would have Tailscale running, but with no routes. You would
also accidentally disable the ExitNodeID/IP prefs (symptom: the current
exit node setting didn't appear in the UI), but since nothing
else worked either, you probably didn't notice.

The fix was easy enough. It turns out we already knew about the
problem, so this also fixes one of the BUG entries in state_test.

Fixes: #1918 (BUG-1) and some as-yet-unreported bugs with exit nodes.
Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
4 years ago
..
local.go ipnlocal: in Start() fast path, don't forget to send Prefs. 4 years ago
local_test.go all: adapt to opaque netaddr types 4 years ago
loglines_test.go types/logger: add key grinder stats lines to rate-limiting exemption list 4 years ago
peerapi.go all: adapt to opaque netaddr types 4 years ago
peerapi_macios_ext.go ipn/{ipnlocal,localapi}: add localapi handler to dial/proxy file PUTs 4 years ago
peerapi_test.go ipn/ipnlocal: use delete marker files to work around Windows delete problems 4 years ago
state_test.go ipnlocal: in Start() fast path, don't forget to send Prefs. 4 years ago