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Update gopacket.example.go #4

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Update gopacket.example.go #4

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12 changes: 12 additions & 0 deletions gopacket.example.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,3 +14,15 @@ func OnPacket(payload *nfqueue.Payload) int {
payload.SetVerdict(nfqueue.NF_ACCEPT)
return 0
}
// Get packets from some source
for packet := range someSource {
if app := packet.ApplicationLayer(); app != nil {
if strings.Contains(string(app.Payload()), "magic string") {
fmt.Println("Found magic string in a packet!")
}
}
packet := gopacket.NewPacket(myPacketData, layers.LayerTypeEthernet, gopacket.Default)
if err := packet.ErrorLayer(); err != nil {
fmt.Println("Error decoding some part of the packet:", err)
}