Tom DNetto f1ab11e961 ipn/ipnlocal,tailcfg: introduce capability to gate TKA init paths ... Previously, `TAILSCALE_USE_WIP_CODE` was needed to hit a bunch of the TKA paths. With this change: - Enablement codepaths (NetworkLockInit) and initialization codepaths (tkaBootstrapFromGenesisLocked via tkaSyncIfNeeded) require either the WIP envknob or CapabilityTailnetLockAlpha. - Normal operation codepaths (tkaSyncIfNeeded, tkaFilterNetmapLocked) require TKA to be initialized, or either-or the envknob / capability. - Auxillary commands (ie: changing tka keys) require TKA to be initialized. The end result is that it shouldn't be possible to initialize TKA (or subsequently use any of its features) without being sent the capability or setting the envknob on tailscaled yourself. I've also pulled out a bunch of unnecessary checks for CanSupportNetworkLock(). Signed-off-by: Tom DNetto <tom@tailscale.com>		2022-11-30 13:50:22 -08:00
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c2ntypes.go
derpmap.go
tailcfg_clone.go
tailcfg_test.go
tailcfg_view.go
tailcfg.go	ipn/ipnlocal,tailcfg: introduce capability to gate TKA init paths	2022-11-30 13:50:22 -08:00
tka.go