1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// Copyright 2014, 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 (
"net"
"reflect"
"testing"
"github.com/google/gopacket"
)
// Generator: python layers/test_creator.py --layerType=LayerTypePrismHeader --linkType=LinkTypePrismHeader --name=Prism%s ~/tmp/dump.pcap
// http://wiki.wireshark.org/SampleCaptures#Sample_Captures
// testPacketPrism is the packet:
// 21:32:37.616872 BSSID:Broadcast DA:Broadcast SA:cc:fa:00:ad:79:e8 (oui Unknown) Probe Request () [1.0 2.0 5.5 11.0 Mbit]
// 0x0000: 4400 0000 9000 0000 7261 3000 0000 0000
// 0x0010: 0000 0000 0000 0000 4400 0100 0000 0400
// 0x0020: f9c1 2900 4400 0200 0000 0000 0000 0000
// 0x0030: 4400 0300 0000 0400 0a00 0000 4400 0400
// 0x0040: 0000 0400 e1ff ffff 0000 0000 0000 0000
// 0x0050: 0000 0000 4400 0600 0000 0400 0000 0000
// 0x0060: 4400 0700 0000 0400 0000 0000 4400 0800
// 0x0070: 0000 0400 0200 0000 4400 0900 0000 0000
// 0x0080: 0000 0000 4400 0a00 0000 0400 7e00 0000
// 0x0090: 4000 0000 ffff ffff ffff ccfa 00ad 79e8
// 0x00a0: ffff ffff ffff a041 0000 0104 0204 0b16
// 0x00b0: 3208 0c12 1824 3048 606c 0301 012d 1a2d
// 0x00c0: 1117 ff00 0000 0000 0000 0000 0000 0000
// 0x00d0: 0000 0000 0000 0000 007f 0800 0000 0000
// 0x00e0: 0000 40dd 0900 1018 0200 0010 0000 dd1e
// 0x00f0: 0090 4c33 2d11 17ff 0000 0000 0000 0000
// 0x0100: 0000 0000 0000 0000 0000 0000 0000
var testPacketPrism = []byte{
0x44, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x72, 0x61, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0x00,
0xf9, 0xc1, 0x29, 0x00, 0x44, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x44, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x44, 0x00, 0x04, 0x00,
0x00, 0x00, 0x04, 0x00, 0xe1, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x44, 0x00, 0x06, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
0x44, 0x00, 0x07, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x00, 0x08, 0x00,
0x00, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x44, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x44, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x04, 0x00, 0x7e, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcc, 0xfa, 0x00, 0xad, 0x79, 0xe8,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa0, 0x41, 0x00, 0x00, 0x01, 0x04, 0x02, 0x04, 0x0b, 0x16,
0x32, 0x08, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, 0x03, 0x01, 0x01, 0x2d, 0x1a, 0x2d,
0x11, 0x17, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x40, 0xdd, 0x09, 0x00, 0x10, 0x18, 0x02, 0x00, 0x00, 0x10, 0x00, 0x00, 0xdd, 0x1e,
0x00, 0x90, 0x4c, 0x33, 0x2d, 0x11, 0x17, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}
func TestPacketPrism(t *testing.T) {
p := gopacket.NewPacket(testPacketPrism, LinkTypePrismHeader, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypePrismHeader, LayerTypeDot11, LayerTypeDot11MgmtProbeReq}, t)
if got, ok := p.Layer(LayerTypePrismHeader).(*PrismHeader); ok {
want := &PrismHeader{
BaseLayer: BaseLayer{
Contents: []uint8{0x44, 0x0, 0x0, 0x0, 0x90, 0x0, 0x0, 0x0, 0x72, 0x61, 0x30, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, 0x0, 0x1, 0x0, 0x0, 0x0, 0x4, 0x0, 0xf9, 0xc1, 0x29, 0x0, 0x44, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, 0x0, 0x3, 0x0, 0x0, 0x0, 0x4, 0x0, 0xa, 0x0, 0x0, 0x0, 0x44, 0x0, 0x4, 0x0, 0x0, 0x0, 0x4, 0x0, 0xe1, 0xff, 0xff, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, 0x0, 0x6, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, 0x0, 0x7, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x2, 0x0, 0x0, 0x0, 0x44, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, 0x0, 0xa, 0x0, 0x0, 0x0, 0x4, 0x0, 0x7e, 0x0, 0x0, 0x0},
Payload: []uint8{0x40, 0x0, 0x0, 0x0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcc, 0xfa, 0x0, 0xad, 0x79, 0xe8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa0, 0x41, 0x0, 0x0, 0x1, 0x4, 0x2, 0x4, 0xb, 0x16, 0x32, 0x8, 0xc, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, 0x3, 0x1, 0x1, 0x2d, 0x1a, 0x2d, 0x11, 0x17, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0xdd, 0x9, 0x0, 0x10, 0x18, 0x2, 0x0, 0x0, 0x10, 0x0, 0x0, 0xdd, 0x1e, 0x0, 0x90, 0x4c, 0x33, 0x2d, 0x11, 0x17, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, Code: 0x44, Length: 0x90, DeviceName: "ra0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
Values: []PrismValue{
PrismValue{DID: PrismDIDType1HostTime, Status: 0x0, Length: 0x4, Data: []uint8{0xf9, 0xc1, 0x29, 0x0}},
PrismValue{DID: PrismDIDType1MACTime, Status: 0x0, Length: 0x0, Data: []uint8{}},
PrismValue{DID: PrismDIDType1Channel, Status: 0x0, Length: 0x4, Data: []uint8{0xa, 0x0, 0x0, 0x0}},
PrismValue{DID: PrismDIDType1RSSI, Status: 0x0, Length: 0x4, Data: []uint8{0xe1, 0xff, 0xff, 0xff}},
PrismValue{DID: 0x0, Status: 0x0, Length: 0x0, Data: []uint8{}},
PrismValue{DID: PrismDIDType1Signal, Status: 0x0, Length: 0x4, Data: []uint8{0x0, 0x0, 0x0, 0x0}},
PrismValue{DID: PrismDIDType1Noise, Status: 0x0, Length: 0x4, Data: []uint8{0x0, 0x0, 0x0, 0x0}},
PrismValue{DID: PrismDIDType1Rate, Status: 0x0, Length: 0x4, Data: []uint8{0x2, 0x0, 0x0, 0x0}},
PrismValue{DID: PrismDIDType1TransmittedFrameIndicator, Status: 0x0, Length: 0x0, Data: []uint8{}},
PrismValue{DID: PrismDIDType1FrameLength, Status: 0x0, Length: 0x4, Data: []uint8{0x7e, 0x0, 0x0, 0x0}},
},
}
if !reflect.DeepEqual(got, want) {
t.Errorf("RadioTap packet processing failed:\ngot :\n%#v\n\nwant :\n%#v\n\n", got, want)
}
}
if got, ok := p.Layer(LayerTypeDot11).(*Dot11); ok {
want := &Dot11{
BaseLayer: BaseLayer{
Contents: []uint8{0x40, 0x0, 0x0, 0x0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcc, 0xfa, 0x0, 0xad, 0x79, 0xe8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa0, 0x41},
Payload: []uint8{0x0, 0x0, 0x1, 0x4, 0x2, 0x4, 0xb, 0x16, 0x32, 0x8, 0xc, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, 0x3, 0x1, 0x1, 0x2d, 0x1a, 0x2d, 0x11, 0x17, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0xdd, 0x9, 0x0, 0x10, 0x18, 0x2, 0x0, 0x0, 0x10, 0x0, 0x0, 0xdd, 0x1e, 0x0, 0x90, 0x4c, 0x33, 0x2d, 0x11, 0x17, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
},
Type: 0x10,
Proto: 0x0,
Flags: 0x0,
DurationID: 0x0,
Address1: net.HardwareAddr{0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
Address2: net.HardwareAddr{0xcc, 0xfa, 0x0, 0xad, 0x79, 0xe8},
Address3: net.HardwareAddr{0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
Address4: net.HardwareAddr(nil),
SequenceNumber: 0x041a,
FragmentNumber: 0x0,
Checksum: 0x0,
}
if !reflect.DeepEqual(got, want) {
t.Errorf("Dot11 packet processing failed:\ngot :\n%#v\n\nwant :\n%#v\n\n", got, want)
}
}
}
func BenchmarkDecodePacketPrism(b *testing.B) {
for i := 0; i < b.N; i++ {
gopacket.NewPacket(testPacketPrism, LinkTypePrismHeader, gopacket.NoCopy)
}
}
|