diff options
Diffstat (limited to 'vendor/github.com/google/gopacket/layers/bfd_test.go')
| -rw-r--r-- | vendor/github.com/google/gopacket/layers/bfd_test.go | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/vendor/github.com/google/gopacket/layers/bfd_test.go b/vendor/github.com/google/gopacket/layers/bfd_test.go new file mode 100644 index 0000000..1ac84cb --- /dev/null +++ b/vendor/github.com/google/gopacket/layers/bfd_test.go @@ -0,0 +1,289 @@ +// Copyright 2017 Google, Inc. 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 ( + "github.com/google/gopacket" + "reflect" + "testing" +) + +//****************************************************************************** + +// checkBFD() uses the bfd.go code to analyse the packet bytes as an BFD Control +// packet and generate an BFD object. It then compares the generated BFD object +// with the one provided and throws an error if there is any difference. +// The desc argument is output with any failure message to identify the test. +func checkBFD(desc string, t *testing.T, packetBytes []byte, pExpectedBFD *BFD) { + + // Analyse the packet bytes, yielding a new packet object p. + p := gopacket.NewPacket(packetBytes, LinkTypeEthernet, gopacket.Default) + if p.ErrorLayer() != nil { + t.Errorf("Failed to decode packet %s: %v", desc, p.ErrorLayer().Error()) + } + + // Ensure that the packet analysis yielded the correct set of layers: + // Link Layer = Ethernet. + // Network Layer = IPv4. + // Transport Layer = UDP. + // Application Layer = BFD. + checkLayers(p, []gopacket.LayerType{ + LayerTypeEthernet, + LayerTypeIPv4, + LayerTypeUDP, + LayerTypeBFD}, t) + + // Select the Application (BFD) layer. + pResultBFD, ok := p.ApplicationLayer().(*BFD) + if !ok { + t.Error("No BFD layer type found in packet in " + desc + ".") + } + + // Compare the generated BFD object with the expected BFD object. + if !reflect.DeepEqual(pResultBFD, pExpectedBFD) { + t.Errorf("BFD packet processing failed for packet "+desc+ + ":\ngot :\n%#v\n\nwant :\n%#v\n\n", pResultBFD, pExpectedBFD) + } + buf := gopacket.NewSerializeBuffer() + opts := gopacket.SerializeOptions{} + err := pResultBFD.SerializeTo(buf, opts) + if err != nil { + t.Error(err) + } + if !reflect.DeepEqual(pResultBFD.Contents, buf.Bytes()) { + t.Errorf("BFD packet serialization failed for packet "+desc+ + ":\ngot :\n%+v\n\nwant :\n%+v\n\n", buf.Bytes(), pResultBFD.Contents) + } + +} + +func TestBFDNoAuth(t *testing.T) { + // This test packet is based off of the first BFD packet in the BFD sample capture + // pcap file bfd-raw-auth-simple.pcap on the Wireshark sample captures page: + // + // https://wiki.wireshark.org/SampleCaptures + // https://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=bfd-raw-auth-simple.pcap + // + // Changed to remove the authentication header, and adjust all of the lengths + var testPacketBFD = []byte{ + 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x10, 0x94, 0x00, 0x00, 0x02, 0x08, 0x00, 0x45, 0x00, + 0x00, 0x3d, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x11, 0x2f, 0x58, 0xc0, 0x55, 0x01, 0x02, 0xc0, 0x00, + 0x00, 0x01, 0xc0, 0x00, 0x0e, 0xc8, 0x00, 0x20, 0x72, 0x31, 0x20, 0x40, 0x05, 0x18, 0x00, 0x00, + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, + 0x00, 0x00, 0x01, 0x4e, 0x0a, 0x90, 0x40, + } + + // Assemble the BFD object that we expect to emerge from this test. + pExpectedBFD := &BFD{ + BaseLayer: BaseLayer{ + Contents: []byte{ + 0x20, 0x40, 0x05, 0x18, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, + 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, 0x00, 0x00, + }, + Payload: nil, + }, + Version: 1, + Diagnostic: BFDDiagnosticNone, + State: BFDStateDown, + Poll: false, + Final: false, + ControlPlaneIndependent: false, + AuthPresent: false, + Demand: false, + Multipoint: false, + DetectMultiplier: 5, + MyDiscriminator: 1, + YourDiscriminator: 0, + DesiredMinTxInterval: 1000000, + RequiredMinRxInterval: 1000000, + RequiredMinEchoRxInterval: 0, + AuthHeader: nil, + } + + checkBFD("testNoAuth", t, testPacketBFD, pExpectedBFD) +} + +//****************************************************************************** + +func TestBFDAuthTypePassword(t *testing.T) { + + // This test packet is the first BFD packet in the BFD sample capture + // pcap file bfd-raw-auth-simple.pcap on the Wireshark sample captures page: + // + // https://wiki.wireshark.org/SampleCaptures + // https://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=bfd-raw-auth-simple.pcap + var testPacketBFD = []byte{ + 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x10, 0x94, 0x00, 0x00, 0x02, 0x08, 0x00, 0x45, 0x00, + 0x00, 0x3d, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x11, 0x2f, 0x58, 0xc0, 0x55, 0x01, 0x02, 0xc0, 0x00, + 0x00, 0x01, 0xc0, 0x00, 0x0e, 0xc8, 0x00, 0x29, 0x72, 0x31, 0x20, 0x44, 0x05, 0x21, 0x00, 0x00, + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, + 0x00, 0x00, 0x01, 0x09, 0x02, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74, 0x4e, 0x0a, 0x90, 0x40, + } + + // Assemble the BFD object that we expect to emerge from this test. + pExpectedBFD := &BFD{ + BaseLayer: BaseLayer{ + Contents: []byte{ + 0x20, 0x44, 0x05, 0x21, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, + 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x09, 0x02, 0x73, 0x65, 0x63, 0x72, 0x65, + 0x74, + }, + Payload: nil, + }, + Version: 1, + Diagnostic: BFDDiagnosticNone, + State: BFDStateDown, + Poll: false, + Final: false, + ControlPlaneIndependent: false, + AuthPresent: true, + Demand: false, + Multipoint: false, + DetectMultiplier: 5, + MyDiscriminator: 1, + YourDiscriminator: 0, + DesiredMinTxInterval: 1000000, + RequiredMinRxInterval: 1000000, + RequiredMinEchoRxInterval: 0, + AuthHeader: &BFDAuthHeader{ + AuthType: BFDAuthTypePassword, + KeyID: 2, + SequenceNumber: 0, + Data: []byte{'s', 'e', 'c', 'r', 'e', 't'}, + }, + } + + checkBFD("testBFDAuthTypePassword", t, testPacketBFD, pExpectedBFD) +} + +//****************************************************************************** + +func TestBFDAuthTypeKeyedMD5(t *testing.T) { + + // This test packet is the first BFD packet in the BFD sample capture + // pcap file bfd-raw-auth-md5.pcap on the Wireshark sample captures page: + // + // https://wiki.wireshark.org/SampleCaptures + // https://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=bfd-raw-auth-md5.pcap + var testPacketBFD = []byte{ + 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x10, 0x94, 0x00, 0x00, 0x02, 0x08, 0x00, 0x45, 0x00, + 0x00, 0x4c, 0x00, 0x01, 0x00, 0x00, 0x0a, 0x11, 0x2f, 0x48, 0xc0, 0x55, 0x01, 0x02, 0xc0, 0x00, + 0x00, 0x01, 0x04, 0x00, 0x0e, 0xc8, 0x00, 0x38, 0x6a, 0xcc, 0x20, 0x44, 0x05, 0x30, 0x00, 0x00, + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, + 0x00, 0x00, 0x02, 0x18, 0x02, 0x00, 0x00, 0x00, 0x00, 0x05, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, + 0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x3c, 0xc3, 0xf8, 0x21, + } + + // Assemble the BFD object that we expect to emerge from this test. + pExpectedBFD := &BFD{ + BaseLayer: BaseLayer{ + Contents: []byte{ + 0x20, 0x44, 0x05, 0x30, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, + 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, 0x00, 0x00, + 0x02, 0x18, 0x02, 0x00, 0x00, 0x00, 0x00, 0x05, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, + }, + Payload: nil, + }, + Version: 1, + Diagnostic: BFDDiagnosticNone, + State: BFDStateDown, + Poll: false, + Final: false, + ControlPlaneIndependent: false, + AuthPresent: true, + Demand: false, + Multipoint: false, + DetectMultiplier: 5, + MyDiscriminator: 1, + YourDiscriminator: 0, + DesiredMinTxInterval: 1000000, + RequiredMinRxInterval: 1000000, + RequiredMinEchoRxInterval: 0, + AuthHeader: &BFDAuthHeader{ + AuthType: BFDAuthTypeKeyedMD5, + KeyID: 2, + SequenceNumber: 5, + Data: []byte{ + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, + }, + }, + } + + checkBFD("testBFDAuthTypeKeyedMD5", t, testPacketBFD, pExpectedBFD) +} + +//****************************************************************************** + +func TestBFDAuthTypeMeticulousKeyedSHA1(t *testing.T) { + + // This test packet is the first BFD packet in the BFD sample capture + // pcap file bfd-raw-auth-sha1.pcap on the Wireshark sample captures page: + // + // https://wiki.wireshark.org/SampleCaptures + // https://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=bfd-raw-auth-sha1.pcap + var testPacketBFD = []byte{ + 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x10, 0x94, 0x00, 0x00, 0x02, 0x08, 0x00, 0x45, 0x00, + 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x11, 0x2f, 0x45, 0xc0, 0x55, 0x01, 0x02, 0xc0, 0x00, + 0x00, 0x01, 0x04, 0x00, 0x0e, 0xc8, 0x00, 0x3c, 0x37, 0x8a, 0x20, 0x44, 0x05, 0x34, 0x00, 0x00, + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, + 0x00, 0x00, 0x05, 0x1c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x05, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, + 0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0xea, 0x6d, + 0x1f, 0x21, + } + + // Assemble the BFD object that we expect to emerge from this test. + pExpectedBFD := &BFD{ + BaseLayer: BaseLayer{ + Contents: []byte{ + 0x20, 0x44, 0x05, 0x34, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, + 0x00, 0x0f, 0x42, 0x40, 0x00, 0x00, 0x00, 0x00, + 0x05, 0x1c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x05, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, + 0x17, 0x18, 0x19, 0x1a, + }, + Payload: nil, + }, + Version: 1, + Diagnostic: BFDDiagnosticNone, + State: BFDStateDown, + Poll: false, + Final: false, + ControlPlaneIndependent: false, + AuthPresent: true, + Demand: false, + Multipoint: false, + DetectMultiplier: 5, + MyDiscriminator: 1, + YourDiscriminator: 0, + DesiredMinTxInterval: 1000000, + RequiredMinRxInterval: 1000000, + RequiredMinEchoRxInterval: 0, + AuthHeader: &BFDAuthHeader{ + AuthType: BFDAuthTypeMeticulousKeyedSHA1, + KeyID: 2, + SequenceNumber: 5, + Data: []byte{ + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, + 0x17, 0x18, 0x19, 0x1a, + }, + }, + } + + checkBFD("TestBFDAuthTypeMeticulousKeyedSHA1", t, testPacketBFD, pExpectedBFD) +} |