mirror of https://github.com/slackhq/nebula.git
32 lines
915 B
Go
32 lines
915 B
Go
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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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newHostinfo, _ := f.handshakeManager.QueryIndex(h.RemoteIndex)
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//TODO: For stage 1 we won't have hostinfo yet but stage 2 and above would require it, this check may be helpful in those cases
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//if err != nil {
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// l.WithError(err).WithField("udpAddr", addr).Error("Error while finding host info for handshake message")
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// return
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//}
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tearDown := false
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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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tearDown = ixHandshakeStage1(f, addr, newHostinfo, packet, h)
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case 2:
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tearDown = ixHandshakeStage2(f, addr, newHostinfo, packet, h)
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}
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}
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if tearDown && newHostinfo != nil {
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f.handshakeManager.DeleteIndex(newHostinfo.localIndexId)
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f.handshakeManager.DeleteVpnIP(newHostinfo.hostId)
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}
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}
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