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control/controlclient: proactively close TLS connection after /key fetch

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When using Noise.

Updates #3488

Change-Id: I1049963763075a15b72fd8065dcf44a9cf37975f
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-03-10 13:19:21 -08:00 committed by Brad Fitzpatrick
parent f8a4df66de
commit 6b11004a2a
1 changed files with 8 additions and 0 deletions
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8
control/controlclient/direct.go
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@ -380,6 +380,14 @@ func (c *Direct) doLogin(ctx context.Context, opt loginOpt) (mustRegen bool, new
c.mu.Unlock()
serverKey = keys.LegacyPublicKey
serverNoiseKey = keys.PublicKey
// For servers supporting the Noise transport,
// proactively shut down our TLS TCP connection.
// We're not going to need it and it's nicer to the
// server.
if !serverNoiseKey.IsZero() {
c.httpc.CloseIdleConnections()
}
}
var oldNodeKey key.NodePublic
switch {