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ipn/ipnlocal: stop sending machine key to frontends

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We were going to remove this in Tailscale 1.3 but forgot.

This means Tailscale 1.8 users won't be able to downgrade to Tailscale
1.0, but that's fine.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-03-31 15:48:27 -07:00
parent 1c98c5f103
commit 1f583a895e
1 changed files with 0 additions and 39 deletions
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39
ipn/ipnlocal/local.go
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@ -396,11 +396,6 @@ func (b *LocalBackend) setClientStatus(st controlclient.Status) {
b.prefs.Persist = st.Persist.Clone()
}
}
if temporarilySetMachineKeyInPersist() && b.prefs.Persist != nil &&
b.prefs.Persist.LegacyFrontendPrivateMachineKey.IsZero() {
b.prefs.Persist.LegacyFrontendPrivateMachineKey = b.machinePrivKey
prefsChanged = true
}
if st.NetMap != nil {
if b.findExitNodeIDLocked(st.NetMap) {
prefsChanged = true
@ -665,12 +660,6 @@ func (b *LocalBackend) Start(opts ipn.Options) error {
b.mu.Lock()
prefs := b.prefs.Clone()
if temporarilySetMachineKeyInPersist() && prefs.Persist != nil &&
prefs.Persist.LegacyFrontendPrivateMachineKey.IsZero() {
prefs.Persist.LegacyFrontendPrivateMachineKey = b.machinePrivKey
}
b.mu.Unlock()
blid := b.backendLogID
@ -970,17 +959,6 @@ func (b *LocalBackend) popBrowserAuthNow() {
// b.stateKey should be set too, but just for nicer log messages.
// b.mu must be held.
func (b *LocalBackend) initMachineKeyLocked() (err error) {
if temporarilySetMachineKeyInPersist() {
defer func() {
if err != nil {
return
}
if b.prefs != nil && b.prefs.Persist != nil {
b.prefs.Persist.LegacyFrontendPrivateMachineKey = b.machinePrivKey
}
}()
}
if !b.machinePrivKey.IsZero() {
// Already set.
return nil
@ -1991,23 +1969,6 @@ func (b *LocalBackend) TestOnlyPublicKeys() (machineKey tailcfg.MachineKey, node
return tailcfg.MachineKey(mk), tailcfg.NodeKey(nk)
}
// temporarilySetMachineKeyInPersist reports whether we should set
// the machine key in Prefs.Persist.LegacyFrontendPrivateMachineKey
// for the frontend to write out to its preferences for use later.
//
// TODO: remove this in Tailscale 1.3.x (so it effectively always
// returns false). It just exists so users can downgrade from 1.2.x to
// 1.0.x. But eventually we want to stop sending the machine key to
// clients. We can't do that until 1.0.x is no longer supported.
func temporarilySetMachineKeyInPersist() bool {
switch runtime.GOOS {
case "darwin", "ios", "android":
// iOS, macOS, Android users can't downgrade anyway.
return false
}
return true
}
func (b *LocalBackend) WaitingFiles() ([]WaitingFile, error) {
b.mu.Lock()
apiSrv := b.peerAPIServer