29 lines
705 B
Go
29 lines
705 B
Go
package nebula
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const (
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handshakeIXPSK0 = 0
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handshakeXXPSK0 = 1
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)
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func HandleIncomingHandshake(f *Interface, addr *udpAddr, packet []byte, h *Header, hostinfo *HostInfo) {
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if !f.lightHouse.remoteAllowList.Allow(addr.IP) {
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f.l.WithField("udpAddr", addr).Debug("lighthouse.remote_allow_list denied incoming handshake")
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return
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}
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switch h.Subtype {
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case handshakeIXPSK0:
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switch h.MessageCounter {
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case 1:
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ixHandshakeStage1(f, addr, packet, h)
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case 2:
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newHostinfo, _ := f.handshakeManager.QueryIndex(h.RemoteIndex)
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tearDown := ixHandshakeStage2(f, addr, newHostinfo, packet, h)
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if tearDown && newHostinfo != nil {
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f.handshakeManager.DeleteHostInfo(newHostinfo)
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}
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}
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}
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}
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