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tailcfg: add DNS address list for IsWireGuardOnly nodes

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Tailscale exit nodes provide DNS service over the peer API, however
IsWireGuardOnly nodes do not have a peer API, and instead need client
DNS parameters passed in their node description.

For Mullvad nodes this will contain the in network 10.64.0.1 address.

Updates #9377

Signed-off-by: James Tucker <james@tailscale.com>
This commit is contained in:
James Tucker
2023-09-14 10:04:31 -07:00
committed by James Tucker
parent 335a5aaf9a
commit e7727db553
9 changed files with 160 additions and 2 deletions
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13
control/controlclient/map.go
View File

@@ -693,6 +693,19 @@ func peerChangeDiff(was tailcfg.NodeView, n *tailcfg.Node) (_ *tailcfg.PeerChang
if va == nil || vb == nil || *va != *vb {
return nil, false
}
case "ExitNodeDNSResolvers":
va, vb := was.ExitNodeDNSResolvers(), views.SliceOfViews(n.ExitNodeDNSResolvers)
if va.Len() != vb.Len() {
return nil, false
}
for i := range va.LenIter() {
if !va.At(i).Equal(vb.At(i)) {
return nil, false
}
}
}
}
if ret != nil {