diff options
Diffstat (limited to 'vendor/github.com/google/gopacket/layers/ntp_test.go')
| -rw-r--r-- | vendor/github.com/google/gopacket/layers/ntp_test.go | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/vendor/github.com/google/gopacket/layers/ntp_test.go b/vendor/github.com/google/gopacket/layers/ntp_test.go deleted file mode 100644 index b522216..0000000 --- a/vendor/github.com/google/gopacket/layers/ntp_test.go +++ /dev/null @@ -1,258 +0,0 @@ -// Copyright 2016 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 ( - "crypto/rand" - "github.com/google/gopacket" - "io" - "reflect" - "testing" -) - -//****************************************************************************** - -// checkNTP() uses the ntp.go code to analyse the packet bytes as an NTP UDP -// packet and generate an NTP object. It then compares the generated NTP 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 checkNTP(desc string, t *testing.T, packetBytes []byte, pExpectedNTP *NTP) { - - // 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 = NTP. - checkLayers(p, []gopacket.LayerType{ - LayerTypeEthernet, - LayerTypeIPv4, - LayerTypeUDP, - LayerTypeNTP}, t) - - // Select the Application (NTP) layer. - pResultNTP, ok := p.ApplicationLayer().(*NTP) - if !ok { - t.Error("No NTP layer type found in packet in " + desc + ".") - } - - // Compare the generated NTP object with the expected NTP object. - if !reflect.DeepEqual(pResultNTP, pExpectedNTP) { - t.Errorf("NTP packet processing failed for packet "+desc+ - ":\ngot :\n%#v\n\nwant :\n%#v\n\n", pResultNTP, pExpectedNTP) - } - buf := gopacket.NewSerializeBuffer() - opts := gopacket.SerializeOptions{} - err := pResultNTP.SerializeTo(buf, opts) - if err != nil { - t.Error(err) - } - if !reflect.DeepEqual(pResultNTP.BaseLayer.Contents, buf.Bytes()) { - t.Errorf("NTP packet serialization failed for packet "+desc+ - ":\ngot :\n%x\n\nwant :\n%x\n\n", buf.Bytes(), packetBytes) - } -} - -//****************************************************************************** - -func TestNTPOne(t *testing.T) { - - // This test packet is the first NTP packet in the NTP sample capture - // pcap file NTP_sync.pcap on the Wireshark sample captures page: - // - // https://wiki.wireshark.org/SampleCaptures - // https://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=NTP_sync.pcap - var testPacketNTP = []byte{ - 0x00, 0x0c, 0x41, 0x82, 0xb2, 0x53, 0x00, 0xd0, - 0x59, 0x6c, 0x40, 0x4e, 0x08, 0x00, 0x45, 0x00, - 0x00, 0x4c, 0x0a, 0x42, 0x00, 0x00, 0x80, 0x11, - 0xb5, 0xfa, 0xc0, 0xa8, 0x32, 0x32, 0x43, 0x81, - 0x44, 0x09, 0x00, 0x7b, 0x00, 0x7b, 0x00, 0x38, - 0xf8, 0xd2, 0xd9, 0x00, 0x0a, 0xfa, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x01, 0x02, 0x90, 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, 0xc5, 0x02, 0x04, 0xec, 0xec, 0x42, - 0xee, 0x92, - } - - // Assemble the NTP object that we expect to emerge from this test. - pExpectedNTP := &NTP{ - BaseLayer: BaseLayer{ - Contents: []byte{0xd9, 0x0, 0xa, 0xfa, 0x0, 0x0, 0x0, 0x0, 0x0, - 0x1, 0x2, 0x90, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0xc5, 0x2, 0x4, 0xec, 0xec, 0x42, 0xee, 0x92}, - Payload: nil, - }, - LeapIndicator: 3, - Version: 3, - Mode: 1, - Stratum: 0, - Poll: 10, - Precision: -6, - RootDelay: 0, - RootDispersion: 0x10290, - ReferenceID: 0, - ReferenceTimestamp: 0, - OriginTimestamp: 0, - ReceiveTimestamp: 0, - TransmitTimestamp: 0xc50204ecec42ee92, - ExtensionBytes: []byte{}, - } - - checkNTP("test01", t, testPacketNTP, pExpectedNTP) -} - -//****************************************************************************** - -func TestNTPTwo(t *testing.T) { - - // This test packet is packet #18 in the NTP sample capture - // pcap file NTP_sync.pcap on the Wireshark sample captures page: - // - // https://wiki.wireshark.org/SampleCaptures - // https://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=NTP_sync.pcap - // - // This packet was chosen because it is the first NTP packet after the first - // NTP packet that has non-zero timestamps. - - var testPacketNTP = []byte{ - 0x00, 0xd0, 0x59, 0x6c, 0x40, 0x4e, 0x00, 0x0c, - 0x41, 0x82, 0xb2, 0x53, 0x08, 0x00, 0x45, 0x00, - 0x00, 0x4c, 0x32, 0x46, 0x40, 0x00, 0x2f, 0x11, - 0xa8, 0x18, 0x45, 0x2c, 0x39, 0x3c, 0xc0, 0xa8, - 0x32, 0x32, 0x00, 0x7b, 0x00, 0x7b, 0x00, 0x38, - 0x09, 0x58, 0x1a, 0x03, 0x0a, 0xee, 0x00, 0x00, - 0x1b, 0xf7, 0x00, 0x00, 0x14, 0xec, 0x51, 0xae, - 0x80, 0xb7, 0xc5, 0x02, 0x03, 0x4c, 0x8d, 0x0e, - 0x66, 0xcb, 0xc5, 0x02, 0x04, 0xec, 0xec, 0x42, - 0xee, 0x92, 0xc5, 0x02, 0x04, 0xeb, 0xcf, 0x49, - 0x59, 0xe6, 0xc5, 0x02, 0x04, 0xeb, 0xcf, 0x4c, - 0x6e, 0x6e, - } - - // Assemble the NTP object that we expect to emerge from this test. - pExpectedNTP := &NTP{ - BaseLayer: BaseLayer{ - Contents: []byte{0x1a, 0x03, 0x0a, 0xee, 0x00, 0x00, - 0x1b, 0xf7, 0x00, 0x00, 0x14, 0xec, 0x51, 0xae, - 0x80, 0xb7, 0xc5, 0x02, 0x03, 0x4c, 0x8d, 0x0e, - 0x66, 0xcb, 0xc5, 0x02, 0x04, 0xec, 0xec, 0x42, - 0xee, 0x92, 0xc5, 0x02, 0x04, 0xeb, 0xcf, 0x49, - 0x59, 0xe6, 0xc5, 0x02, 0x04, 0xeb, 0xcf, 0x4c, - 0x6e, 0x6e}, - Payload: nil, - }, - LeapIndicator: 0, - Version: 3, - Mode: 2, - Stratum: 3, - Poll: 10, - Precision: -18, - RootDelay: 0x1bf7, - RootDispersion: 0x14ec, - ReferenceID: 0x51ae80b7, - ReferenceTimestamp: 0xc502034c8d0e66cb, - OriginTimestamp: 0xc50204ecec42ee92, - ReceiveTimestamp: 0xc50204ebcf4959e6, - TransmitTimestamp: 0xc50204ebcf4c6e6e, - ExtensionBytes: []byte{}, - } - - checkNTP("test02", t, testPacketNTP, pExpectedNTP) -} - -//****************************************************************************** - -func TestNTPThree(t *testing.T) { - - // This test packet is packet #19 in the NTP sample capture - // pcap file NTP_sync.pcap on the Wireshark sample captures page: - // - // https://wiki.wireshark.org/SampleCaptures - // https://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=NTP_sync.pcap - - var testPacketNTP = []byte{ - 0x00, 0xd0, 0x59, 0x6c, 0x40, 0x4e, 0x00, 0x0c, - 0x41, 0x82, 0xb2, 0x53, 0x08, 0x00, 0x45, 0x00, - 0x00, 0x4c, 0x00, 0x00, 0x40, 0x00, 0x30, 0x11, - 0x74, 0x65, 0x18, 0x7b, 0xca, 0xe6, 0xc0, 0xa8, - 0x32, 0x32, 0x00, 0x7b, 0x00, 0x7b, 0x00, 0x38, - 0x44, 0x05, 0x1a, 0x02, 0x0a, 0xec, 0x00, 0x00, - 0x07, 0xc3, 0x00, 0x00, 0x2f, 0x80, 0xc6, 0x1e, - 0x5c, 0x02, 0xc5, 0x01, 0xf9, 0x95, 0x42, 0x50, - 0x82, 0xcf, 0xc5, 0x02, 0x04, 0xec, 0xec, 0x42, - 0xee, 0x92, 0xc5, 0x02, 0x04, 0xeb, 0xd2, 0x35, - 0x2e, 0xb5, 0xc5, 0x02, 0x04, 0xeb, 0xd2, 0x35, - 0xd6, 0x7b, - } - - // Assemble the NTP object that we expect to emerge from this test. - pExpectedNTP := &NTP{ - BaseLayer: BaseLayer{ - Contents: []byte{0x1a, 0x02, 0x0a, 0xec, 0x00, 0x00, - 0x07, 0xc3, 0x00, 0x00, 0x2f, 0x80, 0xc6, 0x1e, - 0x5c, 0x02, 0xc5, 0x01, 0xf9, 0x95, 0x42, 0x50, - 0x82, 0xcf, 0xc5, 0x02, 0x04, 0xec, 0xec, 0x42, - 0xee, 0x92, 0xc5, 0x02, 0x04, 0xeb, 0xd2, 0x35, - 0x2e, 0xb5, 0xc5, 0x02, 0x04, 0xeb, 0xd2, 0x35, - 0xd6, 0x7b}, - Payload: nil, - }, - LeapIndicator: 0, - Version: 3, - Mode: 2, - Stratum: 2, - Poll: 10, - Precision: -20, - RootDelay: 0x7c3, - RootDispersion: 0x2f80, - ReferenceID: 0xc61e5c02, - ReferenceTimestamp: 0xc501f995425082cf, - OriginTimestamp: 0xc50204ecec42ee92, - ReceiveTimestamp: 0xc50204ebd2352eb5, - TransmitTimestamp: 0xc50204ebd235d67b, - ExtensionBytes: []byte{}, - } - - checkNTP("test03", t, testPacketNTP, pExpectedNTP) -} - -//****************************************************************************** - -// TestNTPIsomorphism tests whether random data gets parsed into NTP layer and -// gets serialized back from it to the same value. -func TestNTPIsomorphism(t *testing.T) { - NTPData := make([]byte, ntpMinimumRecordSizeInBytes+7) - _, err := io.ReadFull(rand.Reader, NTPData) - if err != nil { - t.Error(err) - } - ntpLayer := &NTP{} - err = ntpLayer.DecodeFromBytes(NTPData, gopacket.NilDecodeFeedback) - if err != nil { - t.Error(err) - } - buf := gopacket.NewSerializeBuffer() - opts := gopacket.SerializeOptions{} - err = ntpLayer.SerializeTo(buf, opts) - if err != nil { - t.Error(err) - } - if !reflect.DeepEqual(NTPData, buf.Bytes()) { - t.Errorf("NTP packet is not isomorphic:\ngot :\n%x\n\nwant :\n%x\n\n", buf.Bytes(), NTPData) - } -} |