mirror of
https://github.com/akvorado/akvorado.git
synced 2025-12-12 06:24:10 +01:00
f8a795282e
Raw data files can be converted with Scapy:
```python
from scapy.all import *
wrpcap("data-1140.pcap",
Ether(src="00:53:00:11:22:33",dst="00:53:00:44:55:66")/
IP(src="192.0.2.100", dst="192.0.2.101")/
UDP(sport=47873,dport=6343)/
open("data-1140.data", "rb").read())
```
38 lines
890 B
Go
38 lines
890 B
Go
// SPDX-FileCopyrightText: 2022 Free Mobile
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// SPDX-License-Identifier: AGPL-3.0-only
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//go:build !release
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package helpers
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import (
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"bytes"
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"os"
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"testing"
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"github.com/google/gopacket"
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"github.com/google/gopacket/layers"
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"github.com/google/gopacket/pcapgo"
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)
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// ReadPcapPayload reads and parses a PCAP file and return the payload (after Layer 4).
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func ReadPcapPayload(t *testing.T, pcapfile string) []byte {
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t.Helper()
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f, err := os.Open(pcapfile)
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if err != nil {
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t.Fatalf("Open(%q) error:\n%+v", pcapfile, err)
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}
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defer f.Close()
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reader, err := pcapgo.NewReader(f)
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if err != nil {
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t.Fatalf("NewReader(%q) error:\n%+v", pcapfile, err)
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}
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payload := bytes.NewBuffer([]byte{})
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source := gopacket.NewPacketSource(reader, layers.LayerTypeEthernet)
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for packet := range source.Packets() {
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payload.Write(packet.TransportLayer().LayerPayload())
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}
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return payload.Bytes()
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}
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