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-rw-r--r--vendor/github.com/google/gopacket/layers/decode_test.go1234
1 files changed, 0 insertions, 1234 deletions
diff --git a/vendor/github.com/google/gopacket/layers/decode_test.go b/vendor/github.com/google/gopacket/layers/decode_test.go
deleted file mode 100644
index ecfbff7..0000000
--- a/vendor/github.com/google/gopacket/layers/decode_test.go
+++ /dev/null
@@ -1,1234 +0,0 @@
-// Copyright 2012, Google, Inc. All rights reserved.
-// Copyright 2009-2011 Andreas Krennmair. All rights reserved.
-//
-// Use of this source code is governed by a BSD-style license
-// that can be found in the LICENSE file in the root of the source
-// tree.
-
-package layers
-
-import (
- "bytes"
- "encoding/hex"
- "fmt"
- "net"
- "reflect"
- "strings"
- "testing"
-
- "github.com/google/gopacket"
- "github.com/google/gopacket/bytediff"
-)
-
-var testSimpleTCPPacket = []byte{
- 0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x20, 0xbc, 0x30, 0x5b, 0xe8, 0xd3, 0x49,
- 0x08, 0x00, 0x45, 0x00, 0x01, 0xa4, 0x39, 0xdf, 0x40, 0x00, 0x40, 0x06,
- 0x55, 0x5a, 0xac, 0x11, 0x51, 0x49, 0xad, 0xde, 0xfe, 0xe1, 0xc5, 0xf7,
- 0x00, 0x50, 0xc5, 0x7e, 0x0e, 0x48, 0x49, 0x07, 0x42, 0x32, 0x80, 0x18,
- 0x00, 0x73, 0x9a, 0x8f, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x03, 0x77,
- 0x37, 0x9c, 0x42, 0x77, 0x5e, 0x3a, 0x47, 0x45, 0x54, 0x20, 0x2f, 0x20,
- 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x31, 0x0d, 0x0a, 0x48, 0x6f,
- 0x73, 0x74, 0x3a, 0x20, 0x77, 0x77, 0x77, 0x2e, 0x66, 0x69, 0x73, 0x68,
- 0x2e, 0x63, 0x6f, 0x6d, 0x0d, 0x0a, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63,
- 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x6b, 0x65, 0x65, 0x70, 0x2d, 0x61,
- 0x6c, 0x69, 0x76, 0x65, 0x0d, 0x0a, 0x55, 0x73, 0x65, 0x72, 0x2d, 0x41,
- 0x67, 0x65, 0x6e, 0x74, 0x3a, 0x20, 0x4d, 0x6f, 0x7a, 0x69, 0x6c, 0x6c,
- 0x61, 0x2f, 0x35, 0x2e, 0x30, 0x20, 0x28, 0x58, 0x31, 0x31, 0x3b, 0x20,
- 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x78, 0x38, 0x36, 0x5f, 0x36, 0x34,
- 0x29, 0x20, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x57, 0x65, 0x62, 0x4b, 0x69,
- 0x74, 0x2f, 0x35, 0x33, 0x35, 0x2e, 0x32, 0x20, 0x28, 0x4b, 0x48, 0x54,
- 0x4d, 0x4c, 0x2c, 0x20, 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x47, 0x65, 0x63,
- 0x6b, 0x6f, 0x29, 0x20, 0x43, 0x68, 0x72, 0x6f, 0x6d, 0x65, 0x2f, 0x31,
- 0x35, 0x2e, 0x30, 0x2e, 0x38, 0x37, 0x34, 0x2e, 0x31, 0x32, 0x31, 0x20,
- 0x53, 0x61, 0x66, 0x61, 0x72, 0x69, 0x2f, 0x35, 0x33, 0x35, 0x2e, 0x32,
- 0x0d, 0x0a, 0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x3a, 0x20, 0x74, 0x65,
- 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0x2c, 0x61, 0x70, 0x70, 0x6c,
- 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, 0x68, 0x74, 0x6d,
- 0x6c, 0x2b, 0x78, 0x6d, 0x6c, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, 0x63,
- 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, 0x6d, 0x6c, 0x3b, 0x71, 0x3d,
- 0x30, 0x2e, 0x39, 0x2c, 0x2a, 0x2f, 0x2a, 0x3b, 0x71, 0x3d, 0x30, 0x2e,
- 0x38, 0x0d, 0x0a, 0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x45, 0x6e,
- 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x67, 0x7a, 0x69, 0x70,
- 0x2c, 0x64, 0x65, 0x66, 0x6c, 0x61, 0x74, 0x65, 0x2c, 0x73, 0x64, 0x63,
- 0x68, 0x0d, 0x0a, 0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x4c, 0x61,
- 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x3a, 0x20, 0x65, 0x6e, 0x2d, 0x55,
- 0x53, 0x2c, 0x65, 0x6e, 0x3b, 0x71, 0x3d, 0x30, 0x2e, 0x38, 0x0d, 0x0a,
- 0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x43, 0x68, 0x61, 0x72, 0x73,
- 0x65, 0x74, 0x3a, 0x20, 0x49, 0x53, 0x4f, 0x2d, 0x38, 0x38, 0x35, 0x39,
- 0x2d, 0x31, 0x2c, 0x75, 0x74, 0x66, 0x2d, 0x38, 0x3b, 0x71, 0x3d, 0x30,
- 0x2e, 0x37, 0x2c, 0x2a, 0x3b, 0x71, 0x3d, 0x30, 0x2e, 0x33, 0x0d, 0x0a,
- 0x0d, 0x0a,
-}
-
-var testDecodeOptions = gopacket.DecodeOptions{
- SkipDecodeRecovery: true,
-}
-
-// Benchmarks for actual gopacket code
-
-func BenchmarkLayerClassSliceContains(b *testing.B) {
- lc := gopacket.NewLayerClassSlice([]gopacket.LayerType{LayerTypeTCP, LayerTypeEthernet})
- for i := 0; i < b.N; i++ {
- _ = lc.Contains(LayerTypeTCP)
- }
-}
-
-func BenchmarkLayerClassMapContains(b *testing.B) {
- lc := gopacket.NewLayerClassMap([]gopacket.LayerType{LayerTypeTCP, LayerTypeEthernet})
- for i := 0; i < b.N; i++ {
- _ = lc.Contains(LayerTypeTCP)
- }
-}
-
-func BenchmarkLazyNoCopyEthLayer(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layer(LayerTypeEthernet)
- }
-}
-
-func BenchmarkLazyNoCopyIPLayer(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layer(LayerTypeIPv4)
- }
-}
-
-func BenchmarkLazyNoCopyTCPLayer(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layer(LayerTypeTCP)
- }
-}
-
-func BenchmarkLazyNoCopyAllLayers(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}).Layers()
- }
-}
-
-func BenchmarkDefault(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.Default)
- }
-}
-
-func getSerializeLayers() []gopacket.SerializableLayer {
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
- slayers := []gopacket.SerializableLayer{}
- for _, l := range p.Layers() {
- slayers = append(slayers, l.(gopacket.SerializableLayer))
- }
- p.Layer(LayerTypeTCP).(*TCP).SetNetworkLayerForChecksum(
- p.NetworkLayer())
- return slayers
-}
-
-func BenchmarkSerializeTcpNoOptions(b *testing.B) {
- slayers := getSerializeLayers()
- buf := gopacket.NewSerializeBuffer()
- opts := gopacket.SerializeOptions{}
- for i := 0; i < b.N; i++ {
- gopacket.SerializeLayers(buf, opts, slayers...)
- }
-}
-
-func BenchmarkSerializeTcpFixLengths(b *testing.B) {
- slayers := getSerializeLayers()
- buf := gopacket.NewSerializeBuffer()
- opts := gopacket.SerializeOptions{FixLengths: true}
- for i := 0; i < b.N; i++ {
- gopacket.SerializeLayers(buf, opts, slayers...)
- }
-}
-
-func BenchmarkSerializeTcpComputeChecksums(b *testing.B) {
- slayers := getSerializeLayers()
- buf := gopacket.NewSerializeBuffer()
- opts := gopacket.SerializeOptions{ComputeChecksums: true}
- for i := 0; i < b.N; i++ {
- gopacket.SerializeLayers(buf, opts, slayers...)
- }
-}
-
-func BenchmarkSerializeTcpFixLengthsComputeChecksums(b *testing.B) {
- slayers := getSerializeLayers()
- buf := gopacket.NewSerializeBuffer()
- opts := gopacket.SerializeOptions{FixLengths: true, ComputeChecksums: true}
- for i := 0; i < b.N; i++ {
- gopacket.SerializeLayers(buf, opts, slayers...)
- }
-}
-
-func BenchmarkLazy(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.Lazy)
- }
-}
-
-func BenchmarkNoCopy(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.NoCopy)
- }
-}
-
-func BenchmarkLazyNoCopy(b *testing.B) {
- for i := 0; i < b.N; i++ {
- gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
- }
-}
-
-func BenchmarkKnownStack(b *testing.B) {
- stack := []gopacket.DecodingLayer{&Ethernet{}, &IPv4{}, &TCP{}, &gopacket.Payload{}}
- nf := gopacket.NilDecodeFeedback
- for i := 0; i < b.N; i++ {
- data := testSimpleTCPPacket[:]
- for _, d := range stack {
- _ = d.DecodeFromBytes(data, nf)
- data = d.LayerPayload()
- }
- }
-}
-
-func BenchmarkDecodingLayerParserIgnorePanic(b *testing.B) {
- decoded := make([]gopacket.LayerType, 0, 20)
- dlp := gopacket.NewDecodingLayerParser(LayerTypeEthernet, &Ethernet{}, &IPv4{}, &TCP{}, &gopacket.Payload{})
- dlp.IgnorePanic = true
- for i := 0; i < b.N; i++ {
- dlp.DecodeLayers(testSimpleTCPPacket, &decoded)
- }
-}
-
-func BenchmarkDecodingLayerParserHandlePanic(b *testing.B) {
- decoded := make([]gopacket.LayerType, 0, 20)
- dlp := gopacket.NewDecodingLayerParser(LayerTypeEthernet, &Ethernet{}, &IPv4{}, &TCP{}, &gopacket.Payload{})
- dlp.IgnorePanic = false
- for i := 0; i < b.N; i++ {
- dlp.DecodeLayers(testSimpleTCPPacket, &decoded)
- }
-}
-
-func BenchmarkAlloc(b *testing.B) {
- for i := 0; i < b.N; i++ {
- _ = &TCP{}
- }
-}
-
-func BenchmarkFlow(b *testing.B) {
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
- net := p.NetworkLayer()
- for i := 0; i < b.N; i++ {
- net.NetworkFlow()
- }
-}
-
-func BenchmarkEndpoints(b *testing.B) {
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
- flow := p.NetworkLayer().NetworkFlow()
- for i := 0; i < b.N; i++ {
- flow.Endpoints()
- }
-}
-
-func BenchmarkTCPLayerFromDecodedPacket(b *testing.B) {
- b.StopTimer()
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- _ = p.Layer(LayerTypeTCP)
- }
-}
-
-func BenchmarkTCPLayerClassFromDecodedPacket(b *testing.B) {
- b.StopTimer()
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
- lc := gopacket.NewLayerClass([]gopacket.LayerType{LayerTypeTCP})
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- _ = p.LayerClass(lc)
- }
-}
-
-func BenchmarkTCPTransportLayerFromDecodedPacket(b *testing.B) {
- b.StopTimer()
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- _ = p.TransportLayer()
- }
-}
-
-func testDecoder([]byte, gopacket.PacketBuilder) error {
- return nil
-}
-
-func BenchmarkDecodeFuncCallOverheadDirectCall(b *testing.B) {
- var data []byte
- var pb gopacket.PacketBuilder
- for i := 0; i < b.N; i++ {
- _ = testDecoder(data, pb)
- }
-}
-
-func BenchmarkDecodeFuncCallOverheadDecoderCall(b *testing.B) {
- d := gopacket.DecodeFunc(testDecoder)
- var data []byte
- var pb gopacket.PacketBuilder
- for i := 0; i < b.N; i++ {
- _ = d.Decode(data, pb)
- }
-}
-
-func BenchmarkDecodeFuncCallOverheadArrayCall(b *testing.B) {
- EthernetTypeMetadata[1] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(testDecoder)}
- d := EthernetType(1)
- var data []byte
- var pb gopacket.PacketBuilder
- for i := 0; i < b.N; i++ {
- _ = d.Decode(data, pb)
- }
-}
-
-func BenchmarkFmtVerboseString(b *testing.B) {
- b.StopTimer()
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- _ = fmt.Sprintf("%#v", p)
- }
-}
-
-func BenchmarkPacketString(b *testing.B) {
- b.StopTimer()
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- _ = p.String()
- }
-}
-
-func BenchmarkPacketDumpString(b *testing.B) {
- b.StopTimer()
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, testDecodeOptions)
- b.StartTimer()
- for i := 0; i < b.N; i++ {
- _ = p.String()
- }
-}
-
-// TestFlowMapKey makes sure a flow and an endpoint can be used as map keys.
-func TestFlowMapKey(t *testing.T) {
- _ = map[gopacket.Flow]bool{}
- _ = map[gopacket.Endpoint]bool{}
- _ = map[[2]gopacket.Flow]bool{}
-}
-
-func TestDecodeSimpleTCPPacket(t *testing.T) {
- equal := func(desc, want string, got fmt.Stringer) {
- if want != got.String() {
- t.Errorf("%s: got %q want %q", desc, got.String(), want)
- }
- }
- p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true})
- if eth := p.LinkLayer(); eth == nil {
- t.Error("No ethernet layer found")
- } else {
- equal("Eth Src", "bc:30:5b:e8:d3:49", eth.LinkFlow().Src())
- equal("Eth Dst", "00:00:0c:9f:f0:20", eth.LinkFlow().Dst())
- }
- if net := p.NetworkLayer(); net == nil {
- t.Error("No net layer found")
- } else if ip, ok := net.(*IPv4); !ok {
- t.Error("Net layer is not IP layer")
- } else {
- equal("IP Src", "172.17.81.73", net.NetworkFlow().Src())
- equal("IP Dst", "173.222.254.225", net.NetworkFlow().Dst())
- want := &IPv4{
- BaseLayer: BaseLayer{testSimpleTCPPacket[14:34], testSimpleTCPPacket[34:]},
- Version: 4,
- IHL: 5,
- TOS: 0,
- Length: 420,
- Id: 14815,
- Flags: 0x02,
- FragOffset: 0,
- TTL: 64,
- Protocol: 6,
- Checksum: 0x555A,
- SrcIP: []byte{172, 17, 81, 73},
- DstIP: []byte{173, 222, 254, 225},
- }
- if !reflect.DeepEqual(ip, want) {
- t.Errorf("IP layer mismatch, \ngot %#v\nwant %#v\n", ip, want)
- }
- }
- if trans := p.TransportLayer(); trans == nil {
- t.Error("No transport layer found")
- } else if tcp, ok := trans.(*TCP); !ok {
- t.Error("Transport layer is not TCP layer")
- } else {
- equal("TCP Src", "50679", trans.TransportFlow().Src())
- equal("TCP Dst", "80", trans.TransportFlow().Dst())
- want := &TCP{
- BaseLayer: BaseLayer{testSimpleTCPPacket[34:66], testSimpleTCPPacket[66:]},
- SrcPort: 50679,
- DstPort: 80,
- Seq: 0xc57e0e48,
- Ack: 0x49074232,
- DataOffset: 8,
- ACK: true,
- PSH: true,
- Window: 0x73,
- Checksum: 0x9a8f,
- Urgent: 0,
- sPort: []byte{0xc5, 0xf7},
- dPort: []byte{0x0, 0x50},
- 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)
-}