mirror of
https://github.com/bettercap/bettercap
synced 2025-07-31 12:10:10 -07:00
1234 lines
56 KiB
Go
1234 lines
56 KiB
Go
// Copyright 2012, Google, Inc. All rights reserved.
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// Copyright 2009-2011 Andreas Krennmair. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree.
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package layers
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import (
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"bytes"
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"encoding/hex"
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"fmt"
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"net"
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"reflect"
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"strings"
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"testing"
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"github.com/google/gopacket"
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"github.com/google/gopacket/bytediff"
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)
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var testSimpleTCPPacket = []byte{
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0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x20, 0xbc, 0x30, 0x5b, 0xe8, 0xd3, 0x49,
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0x08, 0x00, 0x45, 0x00, 0x01, 0xa4, 0x39, 0xdf, 0x40, 0x00, 0x40, 0x06,
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0x55, 0x5a, 0xac, 0x11, 0x51, 0x49, 0xad, 0xde, 0xfe, 0xe1, 0xc5, 0xf7,
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0x00, 0x50, 0xc5, 0x7e, 0x0e, 0x48, 0x49, 0x07, 0x42, 0x32, 0x80, 0x18,
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0x00, 0x73, 0x9a, 0x8f, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x03, 0x77,
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0x37, 0x9c, 0x42, 0x77, 0x5e, 0x3a, 0x47, 0x45, 0x54, 0x20, 0x2f, 0x20,
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0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x31, 0x0d, 0x0a, 0x48, 0x6f,
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0x73, 0x74, 0x3a, 0x20, 0x77, 0x77, 0x77, 0x2e, 0x66, 0x69, 0x73, 0x68,
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0x2e, 0x63, 0x6f, 0x6d, 0x0d, 0x0a, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63,
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0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x6b, 0x65, 0x65, 0x70, 0x2d, 0x61,
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0x6c, 0x69, 0x76, 0x65, 0x0d, 0x0a, 0x55, 0x73, 0x65, 0x72, 0x2d, 0x41,
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0x67, 0x65, 0x6e, 0x74, 0x3a, 0x20, 0x4d, 0x6f, 0x7a, 0x69, 0x6c, 0x6c,
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0x61, 0x2f, 0x35, 0x2e, 0x30, 0x20, 0x28, 0x58, 0x31, 0x31, 0x3b, 0x20,
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0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x78, 0x38, 0x36, 0x5f, 0x36, 0x34,
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0x29, 0x20, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x57, 0x65, 0x62, 0x4b, 0x69,
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0x74, 0x2f, 0x35, 0x33, 0x35, 0x2e, 0x32, 0x20, 0x28, 0x4b, 0x48, 0x54,
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0x4d, 0x4c, 0x2c, 0x20, 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x47, 0x65, 0x63,
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0x6b, 0x6f, 0x29, 0x20, 0x43, 0x68, 0x72, 0x6f, 0x6d, 0x65, 0x2f, 0x31,
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0x35, 0x2e, 0x30, 0x2e, 0x38, 0x37, 0x34, 0x2e, 0x31, 0x32, 0x31, 0x20,
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0x53, 0x61, 0x66, 0x61, 0x72, 0x69, 0x2f, 0x35, 0x33, 0x35, 0x2e, 0x32,
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0x0d, 0x0a, 0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x3a, 0x20, 0x74, 0x65,
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0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0x2c, 0x61, 0x70, 0x70, 0x6c,
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0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, 0x68, 0x74, 0x6d,
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0x6c, 0x2b, 0x78, 0x6d, 0x6c, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, 0x63,
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0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, 0x6d, 0x6c, 0x3b, 0x71, 0x3d,
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0x30, 0x2e, 0x39, 0x2c, 0x2a, 0x2f, 0x2a, 0x3b, 0x71, 0x3d, 0x30, 0x2e,
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0x38, 0x0d, 0x0a, 0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x45, 0x6e,
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0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x67, 0x7a, 0x69, 0x70,
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0x2c, 0x64, 0x65, 0x66, 0x6c, 0x61, 0x74, 0x65, 0x2c, 0x73, 0x64, 0x63,
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0x68, 0x0d, 0x0a, 0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x4c, 0x61,
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0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x3a, 0x20, 0x65, 0x6e, 0x2d, 0x55,
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0x53, 0x2c, 0x65, 0x6e, 0x3b, 0x71, 0x3d, 0x30, 0x2e, 0x38, 0x0d, 0x0a,
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0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x43, 0x68, 0x61, 0x72, 0x73,
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0x65, 0x74, 0x3a, 0x20, 0x49, 0x53, 0x4f, 0x2d, 0x38, 0x38, 0x35, 0x39,
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0x2d, 0x31, 0x2c, 0x75, 0x74, 0x66, 0x2d, 0x38, 0x3b, 0x71, 0x3d, 0x30,
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0x2e, 0x37, 0x2c, 0x2a, 0x3b, 0x71, 0x3d, 0x30, 0x2e, 0x33, 0x0d, 0x0a,
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0x0d, 0x0a,
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}
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var testDecodeOptions = gopacket.DecodeOptions{
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SkipDecodeRecovery: true,
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}
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// Benchmarks for actual gopacket code
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func BenchmarkLayerClassSliceContains(b *testing.B) {
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lc := gopacket.NewLayerClassSlice([]gopacket.LayerType{LayerTypeTCP, LayerTypeEthernet})
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for i := 0; i < b.N; i++ {
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_ = lc.Contains(LayerTypeTCP)
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}
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}
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func BenchmarkLayerClassMapContains(b *testing.B) {
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lc := gopacket.NewLayerClassMap([]gopacket.LayerType{LayerTypeTCP, LayerTypeEthernet})
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for i := 0; i < b.N; i++ {
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_ = lc.Contains(LayerTypeTCP)
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}
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}
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func BenchmarkLazyNoCopyEthLayer(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layer(LayerTypeEthernet)
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}
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}
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func BenchmarkLazyNoCopyIPLayer(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layer(LayerTypeIPv4)
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}
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}
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func BenchmarkLazyNoCopyTCPLayer(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layer(LayerTypeTCP)
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}
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}
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func BenchmarkLazyNoCopyAllLayers(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layers()
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}
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}
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func BenchmarkDefault(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.Default)
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}
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}
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func getSerializeLayers() []gopacket.SerializableLayer {
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
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slayers := []gopacket.SerializableLayer{}
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for _, l := range p.Layers() {
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slayers = append(slayers, l.(gopacket.SerializableLayer))
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}
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p.Layer(LayerTypeTCP).(*TCP).SetNetworkLayerForChecksum(
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p.NetworkLayer())
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return slayers
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}
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func BenchmarkSerializeTcpNoOptions(b *testing.B) {
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slayers := getSerializeLayers()
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buf := gopacket.NewSerializeBuffer()
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opts := gopacket.SerializeOptions{}
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for i := 0; i < b.N; i++ {
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gopacket.SerializeLayers(buf, opts, slayers...)
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}
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}
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func BenchmarkSerializeTcpFixLengths(b *testing.B) {
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slayers := getSerializeLayers()
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buf := gopacket.NewSerializeBuffer()
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opts := gopacket.SerializeOptions{FixLengths: true}
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for i := 0; i < b.N; i++ {
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gopacket.SerializeLayers(buf, opts, slayers...)
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}
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}
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func BenchmarkSerializeTcpComputeChecksums(b *testing.B) {
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slayers := getSerializeLayers()
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buf := gopacket.NewSerializeBuffer()
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opts := gopacket.SerializeOptions{ComputeChecksums: true}
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for i := 0; i < b.N; i++ {
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gopacket.SerializeLayers(buf, opts, slayers...)
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}
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}
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func BenchmarkSerializeTcpFixLengthsComputeChecksums(b *testing.B) {
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slayers := getSerializeLayers()
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buf := gopacket.NewSerializeBuffer()
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opts := gopacket.SerializeOptions{FixLengths: true, ComputeChecksums: true}
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for i := 0; i < b.N; i++ {
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gopacket.SerializeLayers(buf, opts, slayers...)
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}
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}
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func BenchmarkLazy(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.Lazy)
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}
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}
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func BenchmarkNoCopy(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.NoCopy)
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}
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}
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func BenchmarkLazyNoCopy(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
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}
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}
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func BenchmarkKnownStack(b *testing.B) {
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stack := []gopacket.DecodingLayer{&Ethernet{}, &IPv4{}, &TCP{}, &gopacket.Payload{}}
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nf := gopacket.NilDecodeFeedback
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for i := 0; i < b.N; i++ {
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data := testSimpleTCPPacket[:]
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for _, d := range stack {
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_ = d.DecodeFromBytes(data, nf)
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data = d.LayerPayload()
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}
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}
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}
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func BenchmarkDecodingLayerParserIgnorePanic(b *testing.B) {
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decoded := make([]gopacket.LayerType, 0, 20)
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dlp := gopacket.NewDecodingLayerParser(LayerTypeEthernet, &Ethernet{}, &IPv4{}, &TCP{}, &gopacket.Payload{})
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dlp.IgnorePanic = true
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for i := 0; i < b.N; i++ {
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dlp.DecodeLayers(testSimpleTCPPacket, &decoded)
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}
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}
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func BenchmarkDecodingLayerParserHandlePanic(b *testing.B) {
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decoded := make([]gopacket.LayerType, 0, 20)
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dlp := gopacket.NewDecodingLayerParser(LayerTypeEthernet, &Ethernet{}, &IPv4{}, &TCP{}, &gopacket.Payload{})
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dlp.IgnorePanic = false
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for i := 0; i < b.N; i++ {
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dlp.DecodeLayers(testSimpleTCPPacket, &decoded)
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}
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}
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func BenchmarkAlloc(b *testing.B) {
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for i := 0; i < b.N; i++ {
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_ = &TCP{}
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}
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}
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func BenchmarkFlow(b *testing.B) {
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
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net := p.NetworkLayer()
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for i := 0; i < b.N; i++ {
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net.NetworkFlow()
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}
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}
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func BenchmarkEndpoints(b *testing.B) {
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
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flow := p.NetworkLayer().NetworkFlow()
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for i := 0; i < b.N; i++ {
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flow.Endpoints()
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}
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}
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func BenchmarkTCPLayerFromDecodedPacket(b *testing.B) {
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b.StopTimer()
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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_ = p.Layer(LayerTypeTCP)
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}
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}
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func BenchmarkTCPLayerClassFromDecodedPacket(b *testing.B) {
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b.StopTimer()
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
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lc := gopacket.NewLayerClass([]gopacket.LayerType{LayerTypeTCP})
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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_ = p.LayerClass(lc)
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}
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}
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func BenchmarkTCPTransportLayerFromDecodedPacket(b *testing.B) {
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b.StopTimer()
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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_ = p.TransportLayer()
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}
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}
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func testDecoder([]byte, gopacket.PacketBuilder) error {
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return nil
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}
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func BenchmarkDecodeFuncCallOverheadDirectCall(b *testing.B) {
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var data []byte
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var pb gopacket.PacketBuilder
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for i := 0; i < b.N; i++ {
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_ = testDecoder(data, pb)
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}
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}
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func BenchmarkDecodeFuncCallOverheadDecoderCall(b *testing.B) {
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d := gopacket.DecodeFunc(testDecoder)
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var data []byte
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var pb gopacket.PacketBuilder
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for i := 0; i < b.N; i++ {
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_ = d.Decode(data, pb)
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}
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}
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func BenchmarkDecodeFuncCallOverheadArrayCall(b *testing.B) {
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EthernetTypeMetadata[1] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(testDecoder)}
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d := EthernetType(1)
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var data []byte
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var pb gopacket.PacketBuilder
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for i := 0; i < b.N; i++ {
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_ = d.Decode(data, pb)
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}
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}
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func BenchmarkFmtVerboseString(b *testing.B) {
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b.StopTimer()
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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_ = fmt.Sprintf("%#v", p)
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}
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}
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func BenchmarkPacketString(b *testing.B) {
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b.StopTimer()
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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_ = p.String()
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}
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}
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func BenchmarkPacketDumpString(b *testing.B) {
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b.StopTimer()
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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_ = p.String()
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}
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}
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// TestFlowMapKey makes sure a flow and an endpoint can be used as map keys.
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func TestFlowMapKey(t *testing.T) {
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_ = map[gopacket.Flow]bool{}
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_ = map[gopacket.Endpoint]bool{}
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_ = map[[2]gopacket.Flow]bool{}
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}
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func TestDecodeSimpleTCPPacket(t *testing.T) {
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equal := func(desc, want string, got fmt.Stringer) {
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if want != got.String() {
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t.Errorf("%s: got %q want %q", desc, got.String(), want)
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}
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}
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p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
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if eth := p.LinkLayer(); eth == nil {
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t.Error("No ethernet layer found")
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} else {
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equal("Eth Src", "bc:30:5b:e8:d3:49", eth.LinkFlow().Src())
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equal("Eth Dst", "00:00:0c:9f:f0:20", eth.LinkFlow().Dst())
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}
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if net := p.NetworkLayer(); net == nil {
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t.Error("No net layer found")
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} else if ip, ok := net.(*IPv4); !ok {
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t.Error("Net layer is not IP layer")
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} else {
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equal("IP Src", "172.17.81.73", net.NetworkFlow().Src())
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equal("IP Dst", "173.222.254.225", net.NetworkFlow().Dst())
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want := &IPv4{
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BaseLayer: BaseLayer{testSimpleTCPPacket[14:34], testSimpleTCPPacket[34:]},
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Version: 4,
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IHL: 5,
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TOS: 0,
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Length: 420,
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Id: 14815,
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Flags: 0x02,
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FragOffset: 0,
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TTL: 64,
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Protocol: 6,
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Checksum: 0x555A,
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SrcIP: []byte{172, 17, 81, 73},
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DstIP: []byte{173, 222, 254, 225},
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}
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if !reflect.DeepEqual(ip, want) {
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t.Errorf("IP layer mismatch, \ngot %#v\nwant %#v\n", ip, want)
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}
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}
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if trans := p.TransportLayer(); trans == nil {
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t.Error("No transport layer found")
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} else if tcp, ok := trans.(*TCP); !ok {
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t.Error("Transport layer is not TCP layer")
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} else {
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equal("TCP Src", "50679", trans.TransportFlow().Src())
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equal("TCP Dst", "80", trans.TransportFlow().Dst())
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want := &TCP{
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BaseLayer: BaseLayer{testSimpleTCPPacket[34:66], testSimpleTCPPacket[66:]},
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SrcPort: 50679,
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DstPort: 80,
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Seq: 0xc57e0e48,
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Ack: 0x49074232,
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DataOffset: 8,
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ACK: true,
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PSH: true,
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Window: 0x73,
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Checksum: 0x9a8f,
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Urgent: 0,
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sPort: []byte{0xc5, 0xf7},
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dPort: []byte{0x0, 0x50},
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Options: []TCPOption{
|
|
TCPOption{
|
|
OptionType: 0x1,
|
|
OptionLength: 0x1,
|
|
},
|
|
TCPOption{
|
|
OptionType: 0x1,
|
|
OptionLength: 0x1,
|
|
},
|
|
TCPOption{
|
|
OptionType: 0x8,
|
|
OptionLength: 0xa,
|
|
OptionData: []byte{0x3, 0x77, 0x37, 0x9c, 0x42, 0x77, 0x5e, 0x3a},
|
|
},
|
|
},
|
|
opts: [4]TCPOption{
|
|
TCPOption{
|
|
OptionType: 0x1,
|
|
OptionLength: 0x1,
|
|
},
|
|
TCPOption{
|
|
OptionType: 0x1,
|
|
OptionLength: 0x1,
|
|
},
|
|
TCPOption{
|
|
OptionType: 0x8,
|
|
OptionLength: 0xa,
|
|
OptionData: []byte{0x3, 0x77, 0x37, 0x9c, 0x42, 0x77, 0x5e, 0x3a},
|
|
},
|
|
TCPOption{},
|
|
},
|
|
}
|
|
if !reflect.DeepEqual(tcp, want) {
|
|
t.Errorf("TCP layer mismatch\ngot %#v\nwant %#v", tcp, want)
|
|
}
|
|
}
|
|
if payload, ok := p.Layer(gopacket.LayerTypePayload).(*gopacket.Payload); payload == nil || !ok {
|
|
t.Error("No payload layer found")
|
|
} else {
|
|
if string(payload.Payload()) != "GET / HTTP/1.1\r\nHost: www.fish.com\r\nConnection: keep-alive\r\nUser-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Encoding: gzip,deflate,sdch\r\nAccept-Language: en-US,en;q=0.8\r\nAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3\r\n\r\n" {
|
|
t.Error("--- Payload STRING ---\n", string(payload.Payload()), "\n--- Payload BYTES ---\n", payload.Payload())
|
|
}
|
|
}
|
|
|
|
// Test re-serialization.
|
|
testSerialization(t, p, testSimpleTCPPacket)
|
|
}
|
|
|
|
type canSetNetLayer interface {
|
|
SetNetworkLayerForChecksum(gopacket.NetworkLayer) error
|
|
}
|
|
|
|
func testSerialization(t *testing.T, p gopacket.Packet, data []byte) {
|
|
for _, opts := range []gopacket.SerializeOptions{
|
|
gopacket.SerializeOptions{},
|
|
gopacket.SerializeOptions{FixLengths: true},
|
|
gopacket.SerializeOptions{ComputeChecksums: true},
|
|
gopacket.SerializeOptions{FixLengths: true, ComputeChecksums: true},
|
|
} {
|
|
testSerializationWithOpts(t, p, data, opts)
|
|
}
|
|
}
|
|
|
|
func testSerializationWithOpts(t *testing.T, p gopacket.Packet, data []byte, opts gopacket.SerializeOptions) {
|
|
// Test re-serialization.
|
|
slayers := []gopacket.SerializableLayer{}
|
|
for _, l := range p.Layers() {
|
|
slayers = append(slayers, l.(gopacket.SerializableLayer))
|
|
if h, ok := l.(canSetNetLayer); ok {
|
|
if err := h.SetNetworkLayerForChecksum(p.NetworkLayer()); err != nil {
|
|
t.Fatal("can't set network layer:", err)
|
|
}
|
|
}
|
|
}
|
|
buf := gopacket.NewSerializeBuffer()
|
|
err := gopacket.SerializeLayers(buf, opts, slayers...)
|
|
if err != nil {
|
|
t.Errorf("unable to reserialize layers with opts %#v: %v", opts, err)
|
|
} else if !bytes.Equal(buf.Bytes(), data) {
|
|
t.Errorf("serialization failure with opts %#v:\n---want---\n%v\n---got---\n%v\nBASH-colorized diff, want->got:\n%v\n\n---PACKET---\n%v",
|
|
opts, hex.Dump(data), hex.Dump(buf.Bytes()), bytediff.BashOutput.String(bytediff.Diff(data, buf.Bytes())), p)
|
|
}
|
|
}
|
|
|
|
// Makes sure packet payload doesn't display the 6 trailing null of this packet
|
|
// as part of the payload. They're actually the ethernet trailer.
|
|
func TestDecodeSmallTCPPacketHasEmptyPayload(t *testing.T) {
|
|
smallPacket := []byte{
|
|
0xbc, 0x30, 0x5b, 0xe8, 0xd3, 0x49, 0xb8, 0xac, 0x6f, 0x92, 0xd5, 0xbf,
|
|
0x08, 0x00, 0x45, 0x00, 0x00, 0x28, 0x00, 0x00, 0x40, 0x00, 0x40, 0x06,
|
|
0x3f, 0x9f, 0xac, 0x11, 0x51, 0xc5, 0xac, 0x11, 0x51, 0x49, 0x00, 0x63,
|
|
0x9a, 0xef, 0x00, 0x00, 0x00, 0x00, 0x2e, 0xc1, 0x27, 0x83, 0x50, 0x14,
|
|
0x00, 0x00, 0xc3, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}
|
|
p := gopacket.NewPacket(smallPacket, LinkTypeEthernet, testDecodeOptions)
|
|
|
|
if payload := p.Layer(gopacket.LayerTypePayload); payload != nil {
|
|
t.Error("Payload found for empty TCP packet")
|
|
}
|
|
|
|
testSerialization(t, p, smallPacket)
|
|
}
|
|
|
|
func TestDecodeVLANPacket(t *testing.T) {
|
|
p := gopacket.NewPacket(
|
|
[]byte{
|
|
0x00, 0x10, 0xdb, 0xff, 0x10, 0x00, 0x00, 0x15, 0x2c, 0x9d, 0xcc, 0x00,
|
|
0x81, 0x00, 0x01, 0xf7, 0x08, 0x00, 0x45, 0x00, 0x00, 0x28, 0x29, 0x8d,
|
|
0x40, 0x00, 0x7d, 0x06, 0x83, 0xa0, 0xac, 0x1b, 0xca, 0x8e, 0x45, 0x16,
|
|
0x94, 0xe2, 0xd4, 0x0a, 0x00, 0x50, 0xdf, 0xab, 0x9c, 0xc6, 0xcd, 0x1e,
|
|
0xe5, 0xd1, 0x50, 0x10, 0x01, 0x00, 0x5a, 0x74, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00,
|
|
}, LinkTypeEthernet, testDecodeOptions)
|
|
if err := p.ErrorLayer(); err != nil {
|
|
t.Error("Error while parsing vlan packet:", err)
|
|
}
|
|
if vlan := p.Layer(LayerTypeDot1Q); vlan == nil {
|
|
t.Error("Didn't detect vlan")
|
|
} else if _, ok := vlan.(*Dot1Q); !ok {
|
|
t.Error("LayerTypeDot1Q layer is not a Dot1Q object")
|
|
}
|
|
for i, l := range p.Layers() {
|
|
t.Logf("Layer %d: %#v", i, l)
|
|
}
|
|
want := []gopacket.LayerType{LayerTypeEthernet, LayerTypeDot1Q, LayerTypeIPv4, LayerTypeTCP}
|
|
checkLayers(p, want, t)
|
|
}
|
|
|
|
func TestDecodeSCTPPackets(t *testing.T) {
|
|
sctpPackets := [][]byte{
|
|
[]byte{ // INIT
|
|
0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x1f, 0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x08, 0x00, 0x45, 0x02,
|
|
0x00, 0x44, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84, 0xc4, 0x22, 0xac, 0x1d, 0x14, 0x0f, 0xac, 0x19,
|
|
0x09, 0xcc, 0x27, 0x0f, 0x22, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x19, 0x6b, 0x0b, 0x40, 0x01, 0x00,
|
|
0x00, 0x24, 0xb6, 0x96, 0xb0, 0x9e, 0x00, 0x01, 0xc0, 0x00, 0x00, 0x0a, 0xff, 0xff, 0xdb, 0x85,
|
|
0x60, 0x23, 0x00, 0x0c, 0x00, 0x06, 0x00, 0x05, 0x00, 0x00, 0x80, 0x00, 0x00, 0x04, 0xc0, 0x00,
|
|
0x00, 0x04,
|
|
}, []byte{ // INIT ACK
|
|
0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x00, 0x1f, 0xca, 0xb3, 0x76, 0x40, 0x08, 0x00, 0x45, 0x20,
|
|
0x01, 0x24, 0x00, 0x00, 0x40, 0x00, 0x36, 0x84, 0xcd, 0x24, 0xac, 0x19, 0x09, 0xcc, 0xac, 0x1d,
|
|
0x14, 0x0f, 0x22, 0xb8, 0x27, 0x0f, 0xb6, 0x96, 0xb0, 0x9e, 0x4b, 0xab, 0x40, 0x9a, 0x02, 0x00,
|
|
0x01, 0x04, 0x32, 0x80, 0xfb, 0x42, 0x00, 0x00, 0xf4, 0x00, 0x00, 0x0a, 0x00, 0x0a, 0x85, 0x98,
|
|
0xb1, 0x26, 0x00, 0x07, 0x00, 0xe8, 0xd3, 0x08, 0xce, 0xe2, 0x52, 0x95, 0xcc, 0x09, 0xa1, 0x4c,
|
|
0x6f, 0xa7, 0x9e, 0xba, 0x03, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x42, 0xfb, 0x80, 0x32, 0x9e, 0xb0,
|
|
0x96, 0xb6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x46, 0xc2, 0x50, 0x00, 0x00,
|
|
0x00, 0x00, 0x5e, 0x25, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x26, 0xb1,
|
|
0x98, 0x85, 0x02, 0x00, 0x27, 0x0f, 0xac, 0x1d, 0x14, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0x22,
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0x6a, 0x72, 0x5c, 0x1c, 0x3c, 0xaa,
|
|
0x7a, 0xcd, 0xd3, 0x8f, 0x52, 0x78, 0x7c, 0x77, 0xfd, 0x46, 0xbd, 0x72, 0x82, 0xc1, 0x1f, 0x70,
|
|
0x44, 0xcc, 0xc7, 0x9b, 0x9b, 0x7b, 0x13, 0x54, 0x3f, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x24, 0xb6, 0x96,
|
|
0xb0, 0x9e, 0x00, 0x01, 0xc0, 0x00, 0x00, 0x0a, 0xff, 0xff, 0xdb, 0x85, 0x60, 0x23, 0x00, 0x0c,
|
|
0x00, 0x06, 0x00, 0x05, 0x00, 0x00, 0x80, 0x00, 0x00, 0x04, 0xc0, 0x00, 0x00, 0x04, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x04, 0xc0, 0x00,
|
|
0x00, 0x04,
|
|
}, []byte{ // COOKIE ECHO, DATA
|
|
0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x1f, 0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x08, 0x00, 0x45, 0x02,
|
|
0x01, 0x20, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84, 0xc3, 0x46, 0xac, 0x1d, 0x14, 0x0f, 0xac, 0x19,
|
|
0x09, 0xcc, 0x27, 0x0f, 0x22, 0xb8, 0x32, 0x80, 0xfb, 0x42, 0x01, 0xf9, 0xf3, 0xa9, 0x0a, 0x00,
|
|
0x00, 0xe8, 0xd3, 0x08, 0xce, 0xe2, 0x52, 0x95, 0xcc, 0x09, 0xa1, 0x4c, 0x6f, 0xa7, 0x9e, 0xba,
|
|
0x03, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x42, 0xfb, 0x80, 0x32, 0x9e, 0xb0, 0x96, 0xb6, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x46, 0xc2, 0x50, 0x00, 0x00, 0x00, 0x00, 0x5e, 0x25,
|
|
0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x26, 0xb1, 0x98, 0x85, 0x02, 0x00,
|
|
0x27, 0x0f, 0xac, 0x1d, 0x14, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0x22, 0x01, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0x6a, 0x72, 0x5c, 0x1c, 0x3c, 0xaa, 0x7a, 0xcd, 0xd3, 0x8f,
|
|
0x52, 0x78, 0x7c, 0x77, 0xfd, 0x46, 0xbd, 0x72, 0x82, 0xc1, 0x1f, 0x70, 0x44, 0xcc, 0xc7, 0x9b,
|
|
0x9b, 0x7b, 0x13, 0x54, 0x3f, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x24, 0xb6, 0x96, 0xb0, 0x9e, 0x00, 0x01,
|
|
0xc0, 0x00, 0x00, 0x0a, 0xff, 0xff, 0xdb, 0x85, 0x60, 0x23, 0x00, 0x0c, 0x00, 0x06, 0x00, 0x05,
|
|
0x00, 0x00, 0x80, 0x00, 0x00, 0x04, 0xc0, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x16, 0xdb, 0x85, 0x60, 0x23, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x6f, 0x6f, 0x21, 0x0a, 0x00, 0x00, 0x00,
|
|
}, []byte{ // COOKIE ACK, SACK
|
|
0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x00, 0x1f, 0xca, 0xb3, 0x76, 0x40, 0x08, 0x00, 0x45, 0x20,
|
|
0x00, 0x34, 0x00, 0x00, 0x40, 0x00, 0x36, 0x84, 0xce, 0x14, 0xac, 0x19, 0x09, 0xcc, 0xac, 0x1d,
|
|
0x14, 0x0f, 0x22, 0xb8, 0x27, 0x0f, 0xb6, 0x96, 0xb0, 0x9e, 0xed, 0x64, 0x30, 0x98, 0x0b, 0x00,
|
|
0x00, 0x04, 0x03, 0x00, 0x00, 0x10, 0xdb, 0x85, 0x60, 0x23, 0x00, 0x00, 0xf3, 0xfa, 0x00, 0x00,
|
|
0x00, 0x00,
|
|
}, []byte{ // DATA
|
|
0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x1f, 0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x08, 0x00, 0x45, 0x02,
|
|
0x00, 0x3c, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84, 0xc4, 0x2a, 0xac, 0x1d, 0x14, 0x0f, 0xac, 0x19,
|
|
0x09, 0xcc, 0x27, 0x0f, 0x22, 0xb8, 0x32, 0x80, 0xfb, 0x42, 0xa1, 0xe3, 0xb2, 0x31, 0x00, 0x03,
|
|
0x00, 0x19, 0xdb, 0x85, 0x60, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x62, 0x69,
|
|
0x7a, 0x7a, 0x6c, 0x65, 0x21, 0x0a, 0x00, 0x00, 0x00, 0x00,
|
|
}, []byte{ // SACK
|
|
0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x00, 0x1f, 0xca, 0xb3, 0x76, 0x40, 0x08, 0x00, 0x45, 0x20,
|
|
0x00, 0x30, 0x00, 0x00, 0x40, 0x00, 0x36, 0x84, 0xce, 0x18, 0xac, 0x19, 0x09, 0xcc, 0xac, 0x1d,
|
|
0x14, 0x0f, 0x22, 0xb8, 0x27, 0x0f, 0xb6, 0x96, 0xb0, 0x9e, 0xfa, 0x49, 0x94, 0x3a, 0x03, 0x00,
|
|
0x00, 0x10, 0xdb, 0x85, 0x60, 0x24, 0x00, 0x00, 0xf4, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}, []byte{ // SHUTDOWN
|
|
0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x1f, 0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x08, 0x00, 0x45, 0x02,
|
|
0x00, 0x28, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84, 0xc4, 0x3e, 0xac, 0x1d, 0x14, 0x0f, 0xac, 0x19,
|
|
0x09, 0xcc, 0x27, 0x0f, 0x22, 0xb8, 0x32, 0x80, 0xfb, 0x42, 0x3f, 0x29, 0x59, 0x23, 0x07, 0x00,
|
|
0x00, 0x08, 0x85, 0x98, 0xb1, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}, []byte{ // SHUTDOWN ACK
|
|
0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x00, 0x1f, 0xca, 0xb3, 0x76, 0x40, 0x08, 0x00, 0x45, 0x20,
|
|
0x00, 0x24, 0x00, 0x00, 0x40, 0x00, 0x36, 0x84, 0xce, 0x24, 0xac, 0x19, 0x09, 0xcc, 0xac, 0x1d,
|
|
0x14, 0x0f, 0x22, 0xb8, 0x27, 0x0f, 0xb6, 0x96, 0xb0, 0x9e, 0xb2, 0xc8, 0x99, 0x24, 0x08, 0x00,
|
|
0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}, []byte{ // SHUTDOWN COMPLETE
|
|
0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x1f, 0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x08, 0x00, 0x45, 0x02,
|
|
0x00, 0x24, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84, 0xc4, 0x42, 0xac, 0x1d, 0x14, 0x0f, 0xac, 0x19,
|
|
0x09, 0xcc, 0x27, 0x0f, 0x22, 0xb8, 0x32, 0x80, 0xfb, 0x42, 0xa8, 0xd1, 0x86, 0x85, 0x0e, 0x00,
|
|
0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}}
|
|
wantLayers := [][]gopacket.LayerType{
|
|
[]gopacket.LayerType{LayerTypeSCTPInit},
|
|
[]gopacket.LayerType{LayerTypeSCTPInitAck},
|
|
[]gopacket.LayerType{LayerTypeSCTPCookieEcho, LayerTypeSCTPData, gopacket.LayerTypePayload},
|
|
[]gopacket.LayerType{LayerTypeSCTPCookieAck, LayerTypeSCTPSack},
|
|
[]gopacket.LayerType{LayerTypeSCTPData, gopacket.LayerTypePayload},
|
|
[]gopacket.LayerType{LayerTypeSCTPSack},
|
|
[]gopacket.LayerType{LayerTypeSCTPShutdown},
|
|
[]gopacket.LayerType{LayerTypeSCTPShutdownAck},
|
|
[]gopacket.LayerType{LayerTypeSCTPShutdownComplete},
|
|
}
|
|
for i, data := range sctpPackets {
|
|
p := gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
for _, typ := range wantLayers[i] {
|
|
if p.Layer(typ) == nil {
|
|
t.Errorf("Packet %d missing layer type %v, got:", i, typ)
|
|
for _, layer := range p.Layers() {
|
|
t.Errorf("\t%v", layer.LayerType())
|
|
}
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("\tPacket layer error:", p.ErrorLayer().Error())
|
|
}
|
|
}
|
|
}
|
|
// Test re-serialization.
|
|
testSerializationWithOpts(t, p, data, gopacket.SerializeOptions{FixLengths: true, ComputeChecksums: true})
|
|
}
|
|
}
|
|
|
|
func TestDecodeCiscoDiscovery(t *testing.T) {
|
|
// http://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=cdp_v2.pcap
|
|
data := []byte{
|
|
0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x00, 0x0b, 0xbe, 0x18, 0x9a, 0x41, 0x01, 0xc3, 0xaa, 0xaa,
|
|
0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4, 0x09, 0xa0, 0x00, 0x01, 0x00, 0x0c, 0x6d, 0x79,
|
|
0x73, 0x77, 0x69, 0x74, 0x63, 0x68, 0x00, 0x02, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01,
|
|
0xcc, 0x00, 0x04, 0xc0, 0xa8, 0x00, 0xfd, 0x00, 0x03, 0x00, 0x13, 0x46, 0x61, 0x73, 0x74, 0x45,
|
|
0x74, 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x2f, 0x31, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00,
|
|
0x00, 0x28, 0x00, 0x05, 0x01, 0x14, 0x43, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x49, 0x6e, 0x74, 0x65,
|
|
0x72, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69,
|
|
0x6e, 0x67, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61,
|
|
0x72, 0x65, 0x20, 0x0a, 0x49, 0x4f, 0x53, 0x20, 0x28, 0x74, 0x6d, 0x29, 0x20, 0x43, 0x32, 0x39,
|
|
0x35, 0x30, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x28, 0x43, 0x32, 0x39,
|
|
0x35, 0x30, 0x2d, 0x49, 0x36, 0x4b, 0x32, 0x4c, 0x32, 0x51, 0x34, 0x2d, 0x4d, 0x29, 0x2c, 0x20,
|
|
0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x32, 0x2e, 0x31, 0x28, 0x32, 0x32, 0x29,
|
|
0x45, 0x41, 0x31, 0x34, 0x2c, 0x20, 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20, 0x53, 0x4f,
|
|
0x46, 0x54, 0x57, 0x41, 0x52, 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a, 0x54, 0x65, 0x63,
|
|
0x68, 0x6e, 0x69, 0x63, 0x61, 0x6c, 0x20, 0x53, 0x75, 0x70, 0x70, 0x6f, 0x72, 0x74, 0x3a, 0x20,
|
|
0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x63, 0x69, 0x73, 0x63, 0x6f,
|
|
0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x74, 0x65, 0x63, 0x68, 0x73, 0x75, 0x70, 0x70, 0x6f, 0x72, 0x74,
|
|
0x0a, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31,
|
|
0x39, 0x38, 0x36, 0x2d, 0x32, 0x30, 0x31, 0x30, 0x20, 0x62, 0x79, 0x20, 0x63, 0x69, 0x73, 0x63,
|
|
0x6f, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a,
|
|
0x43, 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54, 0x75, 0x65, 0x20, 0x32, 0x36, 0x2d,
|
|
0x4f, 0x63, 0x74, 0x2d, 0x31, 0x30, 0x20, 0x31, 0x30, 0x3a, 0x33, 0x35, 0x20, 0x62, 0x79, 0x20,
|
|
0x6e, 0x62, 0x75, 0x72, 0x72, 0x61, 0x00, 0x06, 0x00, 0x15, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
|
|
0x57, 0x53, 0x2d, 0x43, 0x32, 0x39, 0x35, 0x30, 0x2d, 0x31, 0x32, 0x00, 0x08, 0x00, 0x24, 0x00,
|
|
0x00, 0x0c, 0x01, 0x12, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0x02, 0x20, 0xff,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0xbe, 0x18, 0x9a, 0x40, 0xff, 0x00, 0x00, 0x00,
|
|
0x09, 0x00, 0x0c, 0x4d, 0x59, 0x44, 0x4f, 0x4d, 0x41, 0x49, 0x4e, 0x00, 0x0a, 0x00, 0x06, 0x00,
|
|
0x01, 0x00, 0x0b, 0x00, 0x05, 0x01, 0x00, 0x12, 0x00, 0x05, 0x00, 0x00, 0x13, 0x00, 0x05, 0x00,
|
|
0x00, 0x16, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xc0, 0xa8, 0x00,
|
|
0xfd,
|
|
}
|
|
p := gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
wantLayers := []gopacket.LayerType{LayerTypeEthernet, LayerTypeLLC, LayerTypeSNAP, LayerTypeCiscoDiscovery, LayerTypeCiscoDiscoveryInfo}
|
|
checkLayers(p, wantLayers, t)
|
|
|
|
want := &CiscoDiscoveryInfo{
|
|
CDPHello: CDPHello{
|
|
OUI: []byte{0, 0, 12},
|
|
ProtocolID: 274,
|
|
ClusterMaster: []byte{0, 0, 0, 0},
|
|
Unknown1: []byte{255, 255, 255, 255},
|
|
Version: 1,
|
|
SubVersion: 2,
|
|
Status: 32,
|
|
Unknown2: 255,
|
|
ClusterCommander: net.HardwareAddr{0, 0, 0, 0, 0, 0},
|
|
SwitchMAC: net.HardwareAddr{0, 0x0b, 0xbe, 0x18, 0x9a, 0x40},
|
|
Unknown3: 255,
|
|
ManagementVLAN: 0,
|
|
},
|
|
DeviceID: "myswitch",
|
|
Addresses: []net.IP{net.IPv4(192, 168, 0, 253)},
|
|
PortID: "FastEthernet0/1",
|
|
Capabilities: CDPCapabilities{false, false, false, true, false, true, false, false, false},
|
|
Version: "Cisco Internetwork Operating System Software \nIOS (tm) C2950 Software (C2950-I6K2L2Q4-M), Version 12.1(22)EA14, RELEASE SOFTWARE (fc1)\nTechnical Support: http://www.cisco.com/techsupport\nCopyright (c) 1986-2010 by cisco Systems, Inc.\nCompiled Tue 26-Oct-10 10:35 by nburra",
|
|
Platform: "cisco WS-C2950-12",
|
|
VTPDomain: "MYDOMAIN",
|
|
NativeVLAN: 1,
|
|
FullDuplex: true,
|
|
MgmtAddresses: []net.IP{net.IPv4(192, 168, 0, 253)},
|
|
BaseLayer: BaseLayer{Contents: data[26:]},
|
|
}
|
|
cdpL := p.Layer(LayerTypeCiscoDiscoveryInfo)
|
|
info, _ := cdpL.(*CiscoDiscoveryInfo)
|
|
if !reflect.DeepEqual(info, want) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", info, want)
|
|
}
|
|
}
|
|
|
|
func TestDecodeLinkLayerDiscovery(t *testing.T) {
|
|
// http://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=lldp.detailed.pcap
|
|
data := []byte{
|
|
0x01, 0x80, 0xc2, 0x00, 0x00, 0x0e, 0x00, 0x01, 0x30, 0xf9, 0xad, 0xa0,
|
|
0x88, 0xcc, 0x02, 0x07, 0x04, 0x00, 0x01, 0x30, 0xf9, 0xad, 0xa0, 0x04,
|
|
0x04, 0x05, 0x31, 0x2f, 0x31, 0x06, 0x02, 0x00, 0x78, 0x08, 0x17, 0x53,
|
|
0x75, 0x6d, 0x6d, 0x69, 0x74, 0x33, 0x30, 0x30, 0x2d, 0x34, 0x38, 0x2d,
|
|
0x50, 0x6f, 0x72, 0x74, 0x20, 0x31, 0x30, 0x30, 0x31, 0x00, 0x0a, 0x0d,
|
|
0x53, 0x75, 0x6d, 0x6d, 0x69, 0x74, 0x33, 0x30, 0x30, 0x2d, 0x34, 0x38,
|
|
0x00, 0x0c, 0x4c, 0x53, 0x75, 0x6d, 0x6d, 0x69, 0x74, 0x33, 0x30, 0x30,
|
|
0x2d, 0x34, 0x38, 0x20, 0x2d, 0x20, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f,
|
|
0x6e, 0x20, 0x37, 0x2e, 0x34, 0x65, 0x2e, 0x31, 0x20, 0x28, 0x42, 0x75,
|
|
0x69, 0x6c, 0x64, 0x20, 0x35, 0x29, 0x20, 0x62, 0x79, 0x20, 0x52, 0x65,
|
|
0x6c, 0x65, 0x61, 0x73, 0x65, 0x5f, 0x4d, 0x61, 0x73, 0x74, 0x65, 0x72,
|
|
0x20, 0x30, 0x35, 0x2f, 0x32, 0x37, 0x2f, 0x30, 0x35, 0x20, 0x30, 0x34,
|
|
0x3a, 0x35, 0x33, 0x3a, 0x31, 0x31, 0x00, 0x0e, 0x04, 0x00, 0x14, 0x00,
|
|
0x14, 0x10, 0x0e, 0x07, 0x06, 0x00, 0x01, 0x30, 0xf9, 0xad, 0xa0, 0x02,
|
|
0x00, 0x00, 0x03, 0xe9, 0x00, 0xfe, 0x07, 0x00, 0x12, 0x0f, 0x02, 0x07,
|
|
0x01, 0x00, 0xfe, 0x09, 0x00, 0x12, 0x0f, 0x01, 0x03, 0x6c, 0x00, 0x00,
|
|
0x10, 0xfe, 0x09, 0x00, 0x12, 0x0f, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00,
|
|
0xfe, 0x06, 0x00, 0x12, 0x0f, 0x04, 0x05, 0xf2, 0xfe, 0x06, 0x00, 0x80,
|
|
0xc2, 0x01, 0x01, 0xe8, 0xfe, 0x07, 0x00, 0x80, 0xc2, 0x02, 0x01, 0x00,
|
|
0x00, 0xfe, 0x17, 0x00, 0x80, 0xc2, 0x03, 0x01, 0xe8, 0x10, 0x76, 0x32,
|
|
0x2d, 0x30, 0x34, 0x38, 0x38, 0x2d, 0x30, 0x33, 0x2d, 0x30, 0x35, 0x30,
|
|
0x35, 0x00, 0xfe, 0x05, 0x00, 0x80, 0xc2, 0x04, 0x00, 0x00, 0x00,
|
|
}
|
|
|
|
p := gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
wantLayers := []gopacket.LayerType{LayerTypeEthernet, LayerTypeLinkLayerDiscovery, LayerTypeLinkLayerDiscoveryInfo}
|
|
checkLayers(p, wantLayers, t)
|
|
lldpL := p.Layer(LayerTypeLinkLayerDiscovery)
|
|
lldp := lldpL.(*LinkLayerDiscovery)
|
|
want := &LinkLayerDiscovery{
|
|
ChassisID: LLDPChassisID{LLDPChassisIDSubTypeMACAddr, []byte{0x00, 0x01, 0x30, 0xf9, 0xad, 0xa0}},
|
|
PortID: LLDPPortID{LLDPPortIDSubtypeIfaceName, []byte("1/1")},
|
|
TTL: 120,
|
|
BaseLayer: BaseLayer{Contents: data[14:]},
|
|
}
|
|
lldp.Values = nil // test these in next stage
|
|
if !reflect.DeepEqual(lldp, want) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", lldp, want)
|
|
}
|
|
|
|
infoL := p.Layer(LayerTypeLinkLayerDiscoveryInfo)
|
|
info := infoL.(*LinkLayerDiscoveryInfo)
|
|
wantinfo := &LinkLayerDiscoveryInfo{
|
|
PortDescription: "Summit300-48-Port 1001\x00",
|
|
SysName: "Summit300-48\x00",
|
|
SysDescription: "Summit300-48 - Version 7.4e.1 (Build 5) by Release_Master 05/27/05 04:53:11\x00",
|
|
SysCapabilities: LLDPSysCapabilities{
|
|
SystemCap: LLDPCapabilities{Bridge: true, Router: true},
|
|
EnabledCap: LLDPCapabilities{Bridge: true, Router: true},
|
|
},
|
|
MgmtAddress: LLDPMgmtAddress{IANAAddressFamily802, []byte{0x00, 0x01, 0x30, 0xf9, 0xad, 0xa0}, LLDPInterfaceSubtypeifIndex, 1001, ""},
|
|
OrgTLVs: []LLDPOrgSpecificTLV{
|
|
LLDPOrgSpecificTLV{OUI: 0x120f, SubType: 0x2, Info: []uint8{0x7, 0x1, 0x0}},
|
|
LLDPOrgSpecificTLV{OUI: 0x120f, SubType: 0x1, Info: []uint8{0x3, 0x6c, 0x0, 0x0, 0x10}},
|
|
LLDPOrgSpecificTLV{OUI: 0x120f, SubType: 0x3, Info: []uint8{0x1, 0x0, 0x0, 0x0, 0x0}},
|
|
LLDPOrgSpecificTLV{OUI: 0x120f, SubType: 0x4, Info: []uint8{0x5, 0xf2}},
|
|
LLDPOrgSpecificTLV{OUI: 0x80c2, SubType: 0x1, Info: []uint8{0x1, 0xe8}},
|
|
LLDPOrgSpecificTLV{OUI: 0x80c2, SubType: 0x2, Info: []uint8{0x1, 0x0, 0x0}},
|
|
LLDPOrgSpecificTLV{OUI: 0x80c2, SubType: 0x3, Info: []uint8{0x1, 0xe8, 0x10, 0x76, 0x32, 0x2d, 0x30, 0x34, 0x38, 0x38, 0x2d, 0x30, 0x33, 0x2d, 0x30, 0x35, 0x30, 0x35, 0x0}},
|
|
LLDPOrgSpecificTLV{OUI: 0x80c2, SubType: 0x4, Info: []uint8{0x0}},
|
|
},
|
|
Unknown: nil,
|
|
}
|
|
if !reflect.DeepEqual(info, wantinfo) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", info, wantinfo)
|
|
}
|
|
info8021, err := info.Decode8021()
|
|
if err != nil {
|
|
t.Errorf("8021 Values decode error: %v", err)
|
|
}
|
|
want8021 := LLDPInfo8021{
|
|
PVID: 488,
|
|
PPVIDs: []PortProtocolVLANID{PortProtocolVLANID{false, false, 0}},
|
|
VLANNames: []VLANName{VLANName{488, "v2-0488-03-0505\x00"}},
|
|
ProtocolIdentities: nil,
|
|
VIDUsageDigest: 0,
|
|
ManagementVID: 0,
|
|
LinkAggregation: LLDPLinkAggregation{false, false, 0},
|
|
}
|
|
if !reflect.DeepEqual(info8021, want8021) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", info8021, want8021)
|
|
}
|
|
info8023, err := info.Decode8023()
|
|
if err != nil {
|
|
t.Errorf("8023 Values decode error: %v", err)
|
|
}
|
|
want8023 := LLDPInfo8023{
|
|
LinkAggregation: LLDPLinkAggregation{true, false, 0},
|
|
MACPHYConfigStatus: LLDPMACPHYConfigStatus{true, true, 0x6c00, 0x0010},
|
|
PowerViaMDI: LLDPPowerViaMDI8023{true, true, true, false, 1, 0, 0, 0, 0, 0, 0},
|
|
MTU: 1522,
|
|
}
|
|
|
|
if !reflect.DeepEqual(info8023, want8023) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", info8023, want8023)
|
|
}
|
|
|
|
// http://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=lldpmed_civicloc.pcap
|
|
data = []byte{
|
|
0x01, 0x80, 0xc2, 0x00, 0x00, 0x0e, 0x00, 0x13, 0x21, 0x57, 0xca, 0x7f,
|
|
0x88, 0xcc, 0x02, 0x07, 0x04, 0x00, 0x13, 0x21, 0x57, 0xca, 0x40, 0x04,
|
|
0x02, 0x07, 0x31, 0x06, 0x02, 0x00, 0x78, 0x08, 0x01, 0x31, 0x0a, 0x1a,
|
|
0x50, 0x72, 0x6f, 0x43, 0x75, 0x72, 0x76, 0x65, 0x20, 0x53, 0x77, 0x69,
|
|
0x74, 0x63, 0x68, 0x20, 0x32, 0x36, 0x30, 0x30, 0x2d, 0x38, 0x2d, 0x50,
|
|
0x57, 0x52, 0x0c, 0x5f, 0x50, 0x72, 0x6f, 0x43, 0x75, 0x72, 0x76, 0x65,
|
|
0x20, 0x4a, 0x38, 0x37, 0x36, 0x32, 0x41, 0x20, 0x53, 0x77, 0x69, 0x74,
|
|
0x63, 0x68, 0x20, 0x32, 0x36, 0x30, 0x30, 0x2d, 0x38, 0x2d, 0x50, 0x57,
|
|
0x52, 0x2c, 0x20, 0x72, 0x65, 0x76, 0x69, 0x73, 0x69, 0x6f, 0x6e, 0x20,
|
|
0x48, 0x2e, 0x30, 0x38, 0x2e, 0x38, 0x39, 0x2c, 0x20, 0x52, 0x4f, 0x4d,
|
|
0x20, 0x48, 0x2e, 0x30, 0x38, 0x2e, 0x35, 0x58, 0x20, 0x28, 0x2f, 0x73,
|
|
0x77, 0x2f, 0x63, 0x6f, 0x64, 0x65, 0x2f, 0x62, 0x75, 0x69, 0x6c, 0x64,
|
|
0x2f, 0x66, 0x69, 0x73, 0x68, 0x28, 0x74, 0x73, 0x5f, 0x30, 0x38, 0x5f,
|
|
0x35, 0x29, 0x29, 0x0e, 0x04, 0x00, 0x14, 0x00, 0x04, 0x10, 0x0c, 0x05,
|
|
0x01, 0x0f, 0xff, 0x7a, 0x94, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe,
|
|
0x09, 0x00, 0x12, 0x0f, 0x01, 0x03, 0x6c, 0x00, 0x00, 0x10, 0xfe, 0x07,
|
|
0x00, 0x12, 0xbb, 0x01, 0x00, 0x0f, 0x04, 0xfe, 0x08, 0x00, 0x12, 0xbb,
|
|
0x02, 0x01, 0x40, 0x65, 0xae, 0xfe, 0x2e, 0x00, 0x12, 0xbb, 0x03, 0x02,
|
|
0x28, 0x02, 0x55, 0x53, 0x01, 0x02, 0x43, 0x41, 0x03, 0x09, 0x52, 0x6f,
|
|
0x73, 0x65, 0x76, 0x69, 0x6c, 0x6c, 0x65, 0x06, 0x09, 0x46, 0x6f, 0x6f,
|
|
0x74, 0x68, 0x69, 0x6c, 0x6c, 0x73, 0x13, 0x04, 0x38, 0x30, 0x30, 0x30,
|
|
0x1a, 0x03, 0x52, 0x33, 0x4c, 0xfe, 0x07, 0x00, 0x12, 0xbb, 0x04, 0x03,
|
|
0x00, 0x41, 0x00, 0x00,
|
|
}
|
|
|
|
p = gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
wantLayers = []gopacket.LayerType{LayerTypeEthernet, LayerTypeLinkLayerDiscovery, LayerTypeLinkLayerDiscoveryInfo}
|
|
checkLayers(p, wantLayers, t)
|
|
lldpL = p.Layer(LayerTypeLinkLayerDiscovery)
|
|
lldp = lldpL.(*LinkLayerDiscovery)
|
|
want = &LinkLayerDiscovery{
|
|
ChassisID: LLDPChassisID{LLDPChassisIDSubTypeMACAddr, []byte{0x00, 0x13, 0x21, 0x57, 0xca, 0x40}},
|
|
PortID: LLDPPortID{LLDPPortIDSubtypeLocal, []byte("1")},
|
|
TTL: 120,
|
|
BaseLayer: BaseLayer{Contents: data[14:]},
|
|
}
|
|
lldp.Values = nil // test these in next stage
|
|
if !reflect.DeepEqual(lldp, want) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", lldp, want)
|
|
}
|
|
|
|
infoL = p.Layer(LayerTypeLinkLayerDiscoveryInfo)
|
|
info = infoL.(*LinkLayerDiscoveryInfo)
|
|
wantinfo = &LinkLayerDiscoveryInfo{
|
|
PortDescription: "1",
|
|
SysName: "ProCurve Switch 2600-8-PWR",
|
|
SysDescription: "ProCurve J8762A Switch 2600-8-PWR, revision H.08.89, ROM H.08.5X (/sw/code/build/fish(ts_08_5))",
|
|
SysCapabilities: LLDPSysCapabilities{
|
|
SystemCap: LLDPCapabilities{Bridge: true, Router: true},
|
|
EnabledCap: LLDPCapabilities{Bridge: true},
|
|
},
|
|
MgmtAddress: LLDPMgmtAddress{IANAAddressFamilyIPV4, []byte{0x0f, 0xff, 0x7a, 0x94}, LLDPInterfaceSubtypeifIndex, 0, ""},
|
|
OrgTLVs: []LLDPOrgSpecificTLV{
|
|
LLDPOrgSpecificTLV{OUI: 0x120f, SubType: 0x1, Info: []uint8{0x3, 0x6c, 0x0, 0x0, 0x10}},
|
|
LLDPOrgSpecificTLV{OUI: 0x12bb, SubType: 0x1, Info: []uint8{0x0, 0xf, 0x4}},
|
|
LLDPOrgSpecificTLV{OUI: 0x12bb, SubType: 0x2, Info: []uint8{0x1, 0x40, 0x65, 0xae}},
|
|
LLDPOrgSpecificTLV{OUI: 0x12bb, SubType: 0x3, Info: []uint8{0x2, 0x28, 0x2, 0x55, 0x53, 0x1, 0x2, 0x43, 0x41, 0x3, 0x9, 0x52, 0x6f, 0x73, 0x65, 0x76, 0x69, 0x6c, 0x6c, 0x65, 0x6, 0x9, 0x46, 0x6f, 0x6f, 0x74, 0x68, 0x69, 0x6c, 0x6c, 0x73, 0x13, 0x4, 0x38, 0x30, 0x30, 0x30, 0x1a, 0x3, 0x52, 0x33, 0x4c}},
|
|
LLDPOrgSpecificTLV{OUI: 0x12bb, SubType: 0x4, Info: []uint8{0x3, 0x0, 0x41}},
|
|
},
|
|
Unknown: nil,
|
|
}
|
|
if !reflect.DeepEqual(info, wantinfo) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", info, wantinfo)
|
|
}
|
|
info8023, err = info.Decode8023()
|
|
if err != nil {
|
|
t.Errorf("8023 Values decode error: %v", err)
|
|
}
|
|
want8023 = LLDPInfo8023{
|
|
MACPHYConfigStatus: LLDPMACPHYConfigStatus{true, true, 0x6c00, 0x0010},
|
|
}
|
|
|
|
if !reflect.DeepEqual(info8023, want8023) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", info8023, want8023)
|
|
}
|
|
|
|
infoMedia, err := info.DecodeMedia()
|
|
if err != nil {
|
|
t.Errorf("8023 Values decode error: %v", err)
|
|
}
|
|
wantMedia := LLDPInfoMedia{
|
|
MediaCapabilities: LLDPMediaCapabilities{true, true, true, true, false, false, LLDPMediaClassNetwork},
|
|
NetworkPolicy: LLDPNetworkPolicy{LLDPAppTypeVoice, true, true, 50, 6, 46},
|
|
Location: LLDPLocation{Format: LLDPLocationFormatAddress, Address: LLDPLocationAddress{
|
|
What: LLDPLocationAddressWhatClient,
|
|
CountryCode: "US",
|
|
AddressLines: []LLDPLocationAddressLine{
|
|
LLDPLocationAddressLine{LLDPLocationAddressTypeNational, "CA"},
|
|
LLDPLocationAddressLine{LLDPLocationAddressTypeCity, "Roseville"},
|
|
LLDPLocationAddressLine{LLDPLocationAddressTypeStreet, "Foothills"},
|
|
LLDPLocationAddressLine{LLDPLocationAddressTypeHouseNum, "8000"},
|
|
LLDPLocationAddressLine{LLDPLocationAddressTypeUnit, "R3L"},
|
|
},
|
|
}},
|
|
PowerViaMDI: LLDPPowerViaMDI{0, 0, LLDPPowerPriorityLow, 6500},
|
|
}
|
|
|
|
if !reflect.DeepEqual(infoMedia, wantMedia) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", infoMedia, wantMedia)
|
|
}
|
|
|
|
}
|
|
|
|
func TestDecodeNortelDiscovery(t *testing.T) {
|
|
// http://www.thetechfirm.com/packets/nortel_btdp/btdp_nai.enc
|
|
data := []byte{
|
|
0x01, 0x00, 0x81, 0x00, 0x01, 0x00, 0x00, 0x04, 0x38, 0xe0, 0xcc, 0xde,
|
|
0x00, 0x13, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x81, 0x01, 0xa2, 0xac, 0x13,
|
|
0x58, 0x03, 0x00, 0x04, 0x15, 0x30, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x04, 0x38, 0xe0, 0xcc, 0xde, 0x80, 0x6a, 0x00, 0x01, 0x14, 0x00,
|
|
0x02, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}
|
|
p := gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
wantLayers := []gopacket.LayerType{LayerTypeEthernet, LayerTypeLLC, LayerTypeSNAP, LayerTypeNortelDiscovery}
|
|
checkLayers(p, wantLayers, t)
|
|
|
|
want := &NortelDiscovery{
|
|
IPAddress: []byte{172, 19, 88, 3},
|
|
SegmentID: []byte{0x00, 0x04, 0x15},
|
|
Chassis: NDPChassisBayStack450101001000Switches,
|
|
Backplane: NDPBackplaneEthernetFastEthernetGigabitEthernet,
|
|
State: NDPStateHeartbeat,
|
|
NumLinks: 0,
|
|
}
|
|
ndpL := p.Layer(LayerTypeNortelDiscovery)
|
|
info, _ := ndpL.(*NortelDiscovery)
|
|
if !reflect.DeepEqual(info, want) {
|
|
t.Errorf("Values mismatch, \ngot %#v\nwant %#v\n", info, want)
|
|
}
|
|
}
|
|
|
|
func TestDecodeIPv6Jumbogram(t *testing.T) {
|
|
// Haven't found any of these in the wild or on example pcaps online, so had
|
|
// to generate one myself via scapy. Unfortunately, scapy can only
|
|
// str(packet) for packets with length < 65536, due to limitations in python's
|
|
// struct library, so I generated the header with:
|
|
// Ether() / IPv6(src='::1', dst='::2') / IPv6ExtHdrHopByHop(options=[Jumbo(jumboplen=70000)]) / TCP(sport=8888, dport=80)
|
|
// then added the payload manually ("payload" * 9996). The checksums here are
|
|
// not correct, but we don't check, so who cares ;)
|
|
dataStr := "\x00\x1f\xca\xb3v@$\xbe\x05'\x0b\x17\x86\xdd`\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x06\x00\xc2\x04\x00\x01\x11p\"\xb8\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00l\xd8\x00\x00"
|
|
payload := strings.Repeat("payload", 9996)
|
|
data := []byte(dataStr + payload)
|
|
p := gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv6, LayerTypeIPv6HopByHop, LayerTypeTCP, gopacket.LayerTypePayload}, t)
|
|
if p.ApplicationLayer() == nil {
|
|
t.Error("Packet has no application layer")
|
|
} else if string(p.ApplicationLayer().Payload()) != payload {
|
|
t.Errorf("Jumbogram payload wrong")
|
|
}
|
|
// Check truncated for jumbograms
|
|
data = data[:len(data)-1]
|
|
p = gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv6, LayerTypeIPv6HopByHop, LayerTypeTCP, gopacket.LayerTypePayload}, t)
|
|
if !p.Metadata().Truncated {
|
|
t.Error("Jumbogram should be truncated")
|
|
}
|
|
}
|
|
|
|
func TestDecodeUDPPacketTooSmall(t *testing.T) {
|
|
data := []byte{
|
|
0x00, 0x15, 0x2c, 0x9d, 0xcc, 0x00, 0x00, 0x10, 0xdb, 0xff, 0x10, 0x00, 0x81, 0x00, 0x01, 0xf7,
|
|
0x08, 0x00, 0x45, 0x60, 0x00, 0x3c, 0x0f, 0xa9, 0x00, 0x00, 0x6e, 0x11, 0x01, 0x0a, 0x47, 0xe6,
|
|
0xee, 0x2e, 0xac, 0x16, 0x59, 0x73, 0x00, 0x50, 0x00, 0x50, 0x00, 0x28, 0x4d, 0xad, 0x00, 0x67,
|
|
0x00, 0x01, 0x00, 0x72, 0xd5, 0xc7, 0xf1, 0x07, 0x00, 0x00, 0x01, 0x01, 0x00, 0x0d, 0x00, 0x00,
|
|
0x00, 0x14, 0x00, 0x00, 0x19, 0xba,
|
|
}
|
|
p := gopacket.NewPacket(data, LinkTypeEthernet, testDecodeOptions)
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeDot1Q, LayerTypeIPv4, LayerTypeUDP, gopacket.LayerTypePayload}, t)
|
|
if !p.Metadata().Truncated {
|
|
t.Error("UDP short packet should be truncated")
|
|
}
|
|
}
|
|
|
|
func TestDecodingLayerParserFullTCPPacket(t *testing.T) {
|
|
dlp := gopacket.NewDecodingLayerParser(LayerTypeEthernet, &Ethernet{}, &IPv4{}, &TCP{}, &gopacket.Payload{})
|
|
decoded := make([]gopacket.LayerType, 1)
|
|
err := dlp.DecodeLayers(testSimpleTCPPacket, &decoded)
|
|
if err != nil {
|
|
t.Error("Error from dlp parser: ", err)
|
|
}
|
|
if len(decoded) != 4 {
|
|
t.Error("Expected 4 layers parsed, instead got ", len(decoded))
|
|
}
|
|
}
|
|
|
|
// testICMP is the packet:
|
|
// 15:49:15.773265 IP 72.14.222.226 > 172.29.20.15: ICMP host 10.66.73.201 unreachable - admin prohibited filter, length 36
|
|
// 0x0000: 24be 0527 0b17 001f cab3 75c0 0800 4500 $..'......u...E.
|
|
// 0x0010: 0038 0000 0000 fc01 d7a7 480e dee2 ac1d .8........H.....
|
|
// 0x0020: 140f 030d 946e 0000 0000 4520 004d 0000 .....n....E..M..
|
|
// 0x0030: 4000 3e11 2849 ac1d 140f 0a42 49c9 8ecc @.>.(I.....BI...
|
|
// 0x0040: 62e1 0039 769d b..9v.
|
|
var testICMP = []byte{
|
|
0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x00, 0x1f, 0xca, 0xb3, 0x75, 0xc0, 0x08, 0x00, 0x45, 0x00,
|
|
0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x01, 0xd7, 0xa7, 0x48, 0x0e, 0xde, 0xe2, 0xac, 0x1d,
|
|
0x14, 0x0f, 0x03, 0x0d, 0x94, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x45, 0x20, 0x00, 0x4d, 0x00, 0x00,
|
|
0x40, 0x00, 0x3e, 0x11, 0x28, 0x49, 0xac, 0x1d, 0x14, 0x0f, 0x0a, 0x42, 0x49, 0xc9, 0x8e, 0xcc,
|
|
0x62, 0xe1, 0x00, 0x39, 0x76, 0x9d,
|
|
}
|
|
|
|
func TestICMP(t *testing.T) {
|
|
p := gopacket.NewPacket(testICMP, LinkTypeEthernet, testDecodeOptions)
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
|
|
}
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeICMPv4, gopacket.LayerTypePayload}, t)
|
|
testSerialization(t, p, testICMP)
|
|
}
|
|
func BenchmarkDecodeICMP(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
gopacket.NewPacket(testICMP, LinkTypeEthernet, gopacket.NoCopy)
|
|
}
|
|
}
|
|
|
|
// testICMP6 is the packet:
|
|
// 16:17:37.758937 IP6 fe80::21f:caff:feb3:75c0 > 2620:0:1005:0:26be:5ff:fe27:b17: ICMP6, neighbor solicitation, who has 2620:0:1005:0:26be:5ff:fe27:b17, length 32
|
|
// 0x0000: 24be 0527 0b17 001f cab3 75c0 86dd 6e00 $..'......u...n.
|
|
// 0x0010: 0000 0020 3aff fe80 0000 0000 0000 021f ....:...........
|
|
// 0x0020: caff feb3 75c0 2620 0000 1005 0000 26be ....u.&.......&.
|
|
// 0x0030: 05ff fe27 0b17 8700 1eba 0000 0000 2620 ...'..........&.
|
|
// 0x0040: 0000 1005 0000 26be 05ff fe27 0b17 0101 ......&....'....
|
|
// 0x0050: 001f cab3 75c0 ....u.
|
|
var testICMP6 = []byte{
|
|
0x24, 0xbe, 0x05, 0x27, 0x0b, 0x17, 0x00, 0x1f, 0xca, 0xb3, 0x75, 0xc0, 0x86, 0xdd, 0x6e, 0x00,
|
|
0x00, 0x00, 0x00, 0x20, 0x3a, 0xff, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x1f,
|
|
0xca, 0xff, 0xfe, 0xb3, 0x75, 0xc0, 0x26, 0x20, 0x00, 0x00, 0x10, 0x05, 0x00, 0x00, 0x26, 0xbe,
|
|
0x05, 0xff, 0xfe, 0x27, 0x0b, 0x17, 0x87, 0x00, 0x1e, 0xba, 0x00, 0x00, 0x00, 0x00, 0x26, 0x20,
|
|
0x00, 0x00, 0x10, 0x05, 0x00, 0x00, 0x26, 0xbe, 0x05, 0xff, 0xfe, 0x27, 0x0b, 0x17, 0x01, 0x01,
|
|
0x00, 0x1f, 0xca, 0xb3, 0x75, 0xc0,
|
|
}
|
|
|
|
func TestICMP6(t *testing.T) {
|
|
p := gopacket.NewPacket(testICMP6, LinkTypeEthernet, testDecodeOptions)
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
|
|
}
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv6, LayerTypeICMPv6, gopacket.LayerTypePayload}, t)
|
|
testSerialization(t, p, testICMP6)
|
|
}
|
|
func BenchmarkDecodeICMP6(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
gopacket.NewPacket(testICMP6, LinkTypeEthernet, gopacket.NoCopy)
|
|
}
|
|
}
|
|
|
|
// testMPLS is the packet:
|
|
// 12:48:57.201014 MPLS (label 29, exp 0, [S], ttl 255) IP 10.1.2.1 > 10.34.0.1: ICMP echo request, id 2618, seq 1579, length 80
|
|
// 0x0000: 0030 96e6 fc39 0030 9605 2838 8847 0001 .0...9.0..(8.G..
|
|
// 0x0010: d1ff 4500 0064 000b 0000 ff01 a569 0a01 ..E..d.......i..
|
|
// 0x0020: 0201 0a22 0001 0800 3a76 0a3a 062b 0000 ..."....:v.:.+..
|
|
// 0x0030: 0000 001f 3350 abcd abcd abcd abcd abcd ....3P..........
|
|
// 0x0040: abcd abcd abcd abcd abcd abcd abcd abcd ................
|
|
// 0x0050: abcd abcd abcd abcd abcd abcd abcd abcd ................
|
|
// 0x0060: abcd abcd abcd abcd abcd abcd abcd abcd ................
|
|
// 0x0070: abcd abcd abcd ......
|
|
var testMPLS = []byte{
|
|
0x00, 0x30, 0x96, 0xe6, 0xfc, 0x39, 0x00, 0x30, 0x96, 0x05, 0x28, 0x38, 0x88, 0x47, 0x00, 0x01,
|
|
0xd1, 0xff, 0x45, 0x00, 0x00, 0x64, 0x00, 0x0b, 0x00, 0x00, 0xff, 0x01, 0xa5, 0x69, 0x0a, 0x01,
|
|
0x02, 0x01, 0x0a, 0x22, 0x00, 0x01, 0x08, 0x00, 0x3a, 0x76, 0x0a, 0x3a, 0x06, 0x2b, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x1f, 0x33, 0x50, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
}
|
|
|
|
func TestMPLS(t *testing.T) {
|
|
p := gopacket.NewPacket(testMPLS, LinkTypeEthernet, testDecodeOptions)
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
|
|
}
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeMPLS, LayerTypeIPv4, LayerTypeICMPv4, gopacket.LayerTypePayload}, t)
|
|
testSerialization(t, p, testMPLS)
|
|
}
|
|
func BenchmarkDecodeMPLS(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
gopacket.NewPacket(testMPLS, LinkTypeEthernet, gopacket.NoCopy)
|
|
}
|
|
}
|
|
|
|
// testPPPoEICMPv6 is the packet:
|
|
// 07:43:31.091560 PPPoE [ses 0x11] IP6 fe80::c801:eff:fe88:8 > ff02::1: ICMP6, neighbor advertisement, tgt is fe80::c801:eff:fe88:8, length 24
|
|
// 0x0000: cc05 0e88 0000 ca01 0e88 0006 8864 1100 .............d..
|
|
// 0x0010: 0011 0042 0057 6e00 0000 0018 3aff fe80 ...B.Wn.....:...
|
|
// 0x0020: 0000 0000 0000 c801 0eff fe88 0008 ff02 ................
|
|
// 0x0030: 0000 0000 0000 0000 0000 0000 0001 8800 ................
|
|
// 0x0040: 5083 8000 0000 fe80 0000 0000 0000 c801 P...............
|
|
// 0x0050: 0eff fe88 0008 ......
|
|
var testPPPoEICMPv6 = []byte{
|
|
0xcc, 0x05, 0x0e, 0x88, 0x00, 0x00, 0xca, 0x01, 0x0e, 0x88, 0x00, 0x06, 0x88, 0x64, 0x11, 0x00,
|
|
0x00, 0x11, 0x00, 0x42, 0x00, 0x57, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3a, 0xff, 0xfe, 0x80,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0x01, 0x0e, 0xff, 0xfe, 0x88, 0x00, 0x08, 0xff, 0x02,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x88, 0x00,
|
|
0x50, 0x83, 0x80, 0x00, 0x00, 0x00, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0x01,
|
|
0x0e, 0xff, 0xfe, 0x88, 0x00, 0x08,
|
|
}
|
|
|
|
func TestPPPoEICMPv6(t *testing.T) {
|
|
p := gopacket.NewPacket(testPPPoEICMPv6, LinkTypeEthernet, testDecodeOptions)
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
|
|
}
|
|
checkLayers(p, []gopacket.LayerType{
|
|
LayerTypeEthernet,
|
|
LayerTypePPPoE,
|
|
LayerTypePPP,
|
|
LayerTypeIPv6,
|
|
LayerTypeICMPv6,
|
|
gopacket.LayerTypePayload,
|
|
}, t)
|
|
testSerialization(t, p, testPPPoEICMPv6)
|
|
}
|
|
func BenchmarkDecodePPPoEICMPv6(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
gopacket.NewPacket(testPPPoEICMPv6, LinkTypeEthernet, gopacket.NoCopy)
|
|
}
|
|
}
|
|
|
|
var testPFLogUDP = []byte{
|
|
0x3d, 0x02, 0x00, 0x00, 0x65, 0x6e, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x6c, 0x6f, 0x67, 0x67, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 0xff, 0xff, 0xff, 0x7f,
|
|
0xa0, 0x86, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xb8, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
|
|
0x45, 0x00, 0x00, 0x2c, 0x02, 0x16, 0x00, 0x00, 0x40, 0x11, 0x4e, 0xb0, 0xac, 0x17, 0xe8, 0xcc,
|
|
0xac, 0x17, 0xe8, 0xff, 0xf0, 0xff, 0x21, 0xa4, 0x00, 0x18, 0x2a, 0x25, 0x50, 0x4e, 0x4a, 0x50,
|
|
0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}
|
|
|
|
func TestPFLogUDP(t *testing.T) {
|
|
p := gopacket.NewPacket(testPFLogUDP, LinkTypePFLog, testDecodeOptions)
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
|
|
}
|
|
checkLayers(p, []gopacket.LayerType{
|
|
LayerTypePFLog,
|
|
LayerTypeIPv4,
|
|
LayerTypeUDP,
|
|
gopacket.LayerTypePayload,
|
|
}, t)
|
|
}
|
|
|
|
func TestRegressionDot1QPriority(t *testing.T) {
|
|
d := &Dot1Q{
|
|
Priority: 2,
|
|
}
|
|
out := gopacket.NewSerializeBuffer()
|
|
gopacket.SerializeLayers(out, gopacket.SerializeOptions{}, d)
|
|
if err := d.DecodeFromBytes(out.Bytes(), gopacket.NilDecodeFeedback); err != nil {
|
|
t.Errorf("could not decode encoded dot1q")
|
|
} else if d.Priority != 2 {
|
|
t.Errorf("priority mismatch, want 2 got %d", d.Priority)
|
|
}
|
|
}
|
|
|
|
// testPacketMPLSInMPLS is the packet:
|
|
// 15:27:44.753678 MPLS (label 18, exp 0, ttl 255) (label 16, exp 0, [S], ttl
|
|
// 255) IP 10.31.0.1 > 10.34.0.1: ICMP echo request, id 3941, seq 4768, length
|
|
// 80
|
|
// 0x0000: 0030 96e6 fc39 0030 9605 2838 8847 0001 .0...9.0..(8.G..
|
|
// 0x0010: 20ff 0001 01ff 4500 0064 0050 0000 ff01 ......E..d.P....
|
|
// 0x0020: a706 0a1f 0001 0a22 0001 0800 bd11 0f65 .......".......e
|
|
// 0x0030: 12a0 0000 0000 0053 9ee0 abcd abcd abcd .......S........
|
|
// 0x0040: abcd abcd abcd abcd abcd abcd abcd abcd ................
|
|
// 0x0050: abcd abcd abcd abcd abcd abcd abcd abcd ................
|
|
// 0x0060: abcd abcd abcd abcd abcd abcd abcd abcd ................
|
|
// 0x0070: abcd abcd abcd abcd abcd ..........
|
|
var testPacketMPLSInMPLS = []byte{
|
|
0x00, 0x30, 0x96, 0xe6, 0xfc, 0x39, 0x00, 0x30, 0x96, 0x05, 0x28, 0x38, 0x88, 0x47, 0x00, 0x01,
|
|
0x20, 0xff, 0x00, 0x01, 0x01, 0xff, 0x45, 0x00, 0x00, 0x64, 0x00, 0x50, 0x00, 0x00, 0xff, 0x01,
|
|
0xa7, 0x06, 0x0a, 0x1f, 0x00, 0x01, 0x0a, 0x22, 0x00, 0x01, 0x08, 0x00, 0xbd, 0x11, 0x0f, 0x65,
|
|
0x12, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x53, 0x9e, 0xe0, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
|
|
}
|
|
|
|
func TestPacketMPLSInMPLS(t *testing.T) {
|
|
p := gopacket.NewPacket(testPacketMPLSInMPLS, LinkTypeEthernet, testDecodeOptions)
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
|
|
}
|
|
checkLayers(p, []gopacket.LayerType{
|
|
LayerTypeEthernet,
|
|
LayerTypeMPLS,
|
|
LayerTypeMPLS,
|
|
LayerTypeIPv4,
|
|
LayerTypeICMPv4,
|
|
gopacket.LayerTypePayload}, t)
|
|
}
|
|
|
|
// testPacketIPv4Fragmented is the packet:
|
|
// 22:11:26.616090 IP 10.1.1.1.31915 > 129.111.30.27.20197: UDP, length 28
|
|
// 0x0000: 0000 39cf d9cd 0040 33d9 7cfd 0800 4500 ..9....@3.|...E.
|
|
// 0x0010: 0038 00f2 2000 4011 af37 0a01 0101 816f .8....@..7.....o
|
|
// 0x0020: 1e1b 7cab 4ee5 0024 0000 0000 0000 0000 ..|.N..$........
|
|
// 0x0030: 0000 0000 0000 0000 0000 0000 0000 0000 ................
|
|
// 0x0040: 0000 0000 0000 ......
|
|
var testPacketIPv4Fragmented = []byte{
|
|
0x00, 0x00, 0x39, 0xcf, 0xd9, 0xcd, 0x00, 0x40, 0x33, 0xd9, 0x7c, 0xfd, 0x08, 0x00, 0x45, 0x00,
|
|
0x00, 0x38, 0x00, 0xf2, 0x20, 0x00, 0x40, 0x11, 0xaf, 0x37, 0x0a, 0x01, 0x01, 0x01, 0x81, 0x6f,
|
|
0x1e, 0x1b, 0x7c, 0xab, 0x4e, 0xe5, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}
|
|
|
|
func TestPacketIPv4Fragmented(t *testing.T) {
|
|
p := gopacket.NewPacket(testPacketIPv4Fragmented, LinkTypeEthernet, testDecodeOptions)
|
|
if p.ErrorLayer() != nil {
|
|
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
|
|
}
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, gopacket.LayerTypeFragment}, t)
|
|
testSerializationWithOpts(t, p, testPacketIPv4Fragmented, gopacket.SerializeOptions{FixLengths: true, ComputeChecksums: true})
|
|
}
|
|
|
|
// TestSCTPChunkBadLength tests for issue #146
|
|
func TestSCTPChunkBadLength(t *testing.T) {
|
|
data := []byte(
|
|
"0000\xad9$e\x11\xe4\xaeo\b\x00E\x00\x018\xb4\xa3" +
|
|
"\x00\x00Y\x84\xc4@\x11gz\xc0\xa8\xee\x01\xc0\xa8" +
|
|
"\xeeD\x007le\x03\x01\xc0\f\xdf\b\x01\x00\x00")
|
|
|
|
// this panic'd previously due to a zero length chunk getting
|
|
// repeatedly read
|
|
gopacket.NewPacket(data, LinkTypeEthernet, gopacket.Default)
|
|
}
|
|
|
|
// TestSTP
|
|
func TestSTP(t *testing.T) {
|
|
testSTPpacket := []byte{
|
|
0x01, 0x80, 0xC2, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x0E, 0x87, 0x85, 0x04, 0x00, 0x26, 0x42, 0x42,
|
|
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x64, 0x00, 0x1C, 0x0E, 0x87, 0x78, 0x00, 0x00, 0x00,
|
|
0x00, 0x04, 0x80, 0x64, 0x00, 0x1C, 0x0E, 0x87, 0x85, 0x00, 0x80, 0x04, 0x01, 0x00, 0x14, 0x00,
|
|
0x02, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
}
|
|
p := gopacket.NewPacket(testSTPpacket, LinkTypeEthernet, testDecodeOptions)
|
|
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeLLC, LayerTypeSTP}, t)
|
|
}
|