Function NodeID

tailnet/conn.go:143–152

NodeID creates a Tailscale NodeID from the last 8 bytes of a UUID. It ensures the returned NodeID is always positive.

(uid uuid.UUID)

// NodeID creates a Tailscale NodeID from the last 8 bytes of a UUID. It ensures
// the returned NodeID is always positive.
func NodeID(uid uuid.UUID) tailcfg.NodeID {
	// #nosec G115 - This is safe because the next lines ensure the ID is always positive
	id := int64(binary.BigEndian.Uint64(uid[8:]))

	// ensure id is positive
	y := id >> 63
	id = (id ^ y) - y

	return tailcfg.NodeID(id)
}

// NewConn constructs a new Wireguard server that will accept connections from the addresses provided.
func NewConn(options *Options) (conn *Conn, err error) {