This repository has been archived by the owner on Sep 18, 2024. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathchunk_test.go
209 lines (178 loc) · 10.3 KB
/
chunk_test.go
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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package sctp
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestInitChunk(t *testing.T) {
pkt := &packet{}
rawPkt := []byte{
0x13, 0x88, 0x13, 0x88, 0x00, 0x00, 0x00, 0x00, 0x81, 0x46, 0x9d, 0xfc, 0x01, 0x00, 0x00, 0x56, 0x55,
0xb9, 0x64, 0xa5, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0xe8, 0x6d, 0x10, 0x30, 0xc0, 0x00, 0x00, 0x04, 0x80,
0x08, 0x00, 0x09, 0xc0, 0x0f, 0xc1, 0x80, 0x82, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0x9f, 0xeb, 0xbb, 0x5c, 0x50,
0xc9, 0xbf, 0x75, 0x9c, 0xb1, 0x2c, 0x57, 0x4f, 0xa4, 0x5a, 0x51, 0xba, 0x60, 0x17, 0x78, 0x27, 0x94, 0x5c, 0x31, 0xe6,
0x5d, 0x5b, 0x09, 0x47, 0xe2, 0x22, 0x06, 0x80, 0x04, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x80, 0x03, 0x00, 0x06, 0x80, 0xc1, 0x00, 0x00,
}
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk")
}
i, ok := pkt.chunks[0].(*chunkInit)
if !ok {
t.Errorf("Failed to cast Chunk -> Init")
}
switch {
case err != nil:
t.Errorf("Unmarshal init Chunk failed: %v", err)
case i.initiateTag != 1438213285:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect initiate tag exp: %d act: %d", 1438213285, i.initiateTag)
case i.advertisedReceiverWindowCredit != 131072:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect advertisedReceiverWindowCredit exp: %d act: %d", 131072, i.advertisedReceiverWindowCredit)
case i.numOutboundStreams != 1024:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect numOutboundStreams tag exp: %d act: %d", 1024, i.numOutboundStreams)
case i.numInboundStreams != 2048:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect numInboundStreams exp: %d act: %d", 2048, i.numInboundStreams)
case i.initialTSN != uint32(3899461680):
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect initialTSN exp: %d act: %d", uint32(3899461680), i.initialTSN)
}
}
func TestInitAck(t *testing.T) {
pkt := &packet{}
rawPkt := []byte{0x13, 0x88, 0x13, 0x88, 0xce, 0x15, 0x79, 0xa2, 0x96, 0x19, 0xe8, 0xb2, 0x02, 0x00, 0x00, 0x1c, 0xeb, 0x81, 0x4e, 0x01, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0x50, 0xdf, 0x90, 0xd9, 0x00, 0x07, 0x00, 0x08, 0x94, 0x06, 0x2f, 0x93}
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
_, ok := pkt.chunks[0].(*chunkInitAck)
if !ok {
t.Error("Failed to cast Chunk -> Init")
} else if err != nil {
t.Errorf("Unmarshal init Chunk failed: %v", err)
}
}
func TestChromeChunk1Init(t *testing.T) {
pkt := &packet{}
rawPkt := []byte{0x13, 0x88, 0x13, 0x88, 0x00, 0x00, 0x00, 0x00, 0xbc, 0xb3, 0x45, 0xa2, 0x01, 0x00, 0x00, 0x56, 0xce, 0x15, 0x79, 0xa2, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0x94, 0x57, 0x95, 0xc0, 0xc0, 0x00, 0x00, 0x04, 0x80, 0x08, 0x00, 0x09, 0xc0, 0x0f, 0xc1, 0x80, 0x82, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0xff, 0x5c, 0x49, 0x19, 0x4a, 0x94, 0xe8, 0x2a, 0xec, 0x58, 0x55, 0x62, 0x29, 0x1f, 0x8e, 0x23, 0xcd, 0x7c, 0xe8, 0x46, 0xba, 0x58, 0x1b, 0x3d, 0xab, 0xd7, 0x7e, 0x50, 0xf2, 0x41, 0xb1, 0x2e, 0x80, 0x04, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x80, 0x03, 0x00, 0x06, 0x80, 0xc1, 0x00, 0x00}
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
rawPkt2, err := pkt.marshal(true)
if err != nil {
t.Errorf("Remarshal failed: %v", err)
}
assert.Equal(t, rawPkt, rawPkt2)
}
func TestChromeChunk2InitAck(t *testing.T) {
pkt := &packet{}
rawPkt := []byte{0x13, 0x88, 0x13, 0x88, 0xce, 0x15, 0x79, 0xa2, 0xb5, 0xdb, 0x2d, 0x93, 0x02, 0x00, 0x01, 0x90, 0x9b, 0xd5, 0xb3, 0x6f, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0xef, 0xb4, 0x72, 0x87, 0xc0, 0x00, 0x00, 0x04, 0x80, 0x08, 0x00, 0x09, 0xc0, 0x0f, 0xc1, 0x80, 0x82, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0x2e, 0xf9, 0x9c, 0x10, 0x63, 0x72, 0xed, 0x0d, 0x33, 0xc2, 0xdc, 0x7f, 0x9f, 0xd7, 0xef, 0x1b, 0xc9, 0xc4, 0xa7, 0x41, 0x9a, 0x07, 0x68, 0x6b, 0x66, 0xfb, 0x6a, 0x4e, 0x32, 0x5d, 0xe4, 0x25, 0x80, 0x04, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x80, 0x03, 0x00, 0x06, 0x80, 0xc1, 0x00, 0x00, 0x00, 0x07, 0x01, 0x38, 0x4b, 0x41, 0x4d, 0x45, 0x2d, 0x42, 0x53, 0x44, 0x20, 0x31, 0x2e, 0x31, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x1e, 0x49, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xd2, 0x42, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xea, 0x00, 0x00, 0xc4, 0x13, 0x3d, 0xe9, 0x86, 0xb1, 0x85, 0x75, 0xa2, 0x79, 0x15, 0xce, 0x9b, 0xd5, 0xb3, 0x6f, 0x20, 0xe0, 0x9f, 0x89, 0xe0, 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x20, 0xe0, 0x9f, 0x89, 0xe0, 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x88, 0x13, 0x88, 0x00, 0x00, 0x01, 0x00, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x56, 0xce, 0x15, 0x79, 0xa2, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0x94, 0x57, 0x95, 0xc0, 0xc0, 0x00, 0x00, 0x04, 0x80, 0x08, 0x00, 0x09, 0xc0, 0x0f, 0xc1, 0x80, 0x82, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0xff, 0x5c, 0x49, 0x19, 0x4a, 0x94, 0xe8, 0x2a, 0xec, 0x58, 0x55, 0x62, 0x29, 0x1f, 0x8e, 0x23, 0xcd, 0x7c, 0xe8, 0x46, 0xba, 0x58, 0x1b, 0x3d, 0xab, 0xd7, 0x7e, 0x50, 0xf2, 0x41, 0xb1, 0x2e, 0x80, 0x04, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x80, 0x03, 0x00, 0x06, 0x80, 0xc1, 0x00, 0x00, 0x02, 0x00, 0x01, 0x90, 0x9b, 0xd5, 0xb3, 0x6f, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0xef, 0xb4, 0x72, 0x87, 0xc0, 0x00, 0x00, 0x04, 0x80, 0x08, 0x00, 0x09, 0xc0, 0x0f, 0xc1, 0x80, 0x82, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0x2e, 0xf9, 0x9c, 0x10, 0x63, 0x72, 0xed, 0x0d, 0x33, 0xc2, 0xdc, 0x7f, 0x9f, 0xd7, 0xef, 0x1b, 0xc9, 0xc4, 0xa7, 0x41, 0x9a, 0x07, 0x68, 0x6b, 0x66, 0xfb, 0x6a, 0x4e, 0x32, 0x5d, 0xe4, 0x25, 0x80, 0x04, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x80, 0x03, 0x00, 0x06, 0x80, 0xc1, 0x00, 0x00, 0xca, 0x0c, 0x21, 0x11, 0xce, 0xf4, 0xfc, 0xb3, 0x66, 0x99, 0x4f, 0xdb, 0x4f, 0x95, 0x6b, 0x6f, 0x3b, 0xb1, 0xdb, 0x5a}
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
rawPkt2, err := pkt.marshal(true)
if err != nil {
t.Errorf("Remarshal failed: %v", err)
}
assert.Equal(t, rawPkt, rawPkt2)
}
func TestInitMarshalUnmarshal(t *testing.T) {
p := &packet{}
p.destinationPort = 1
p.sourcePort = 1
p.verificationTag = 123
initAck := &chunkInitAck{}
initAck.initialTSN = 123
initAck.numOutboundStreams = 1
initAck.numInboundStreams = 1
initAck.initiateTag = 123
initAck.advertisedReceiverWindowCredit = 1024
cookie, ErrRand := newRandomStateCookie()
if ErrRand != nil {
t.Fatalf("Failed to generate random state cookie: %v", ErrRand)
}
initAck.params = []param{cookie}
p.chunks = []chunk{initAck}
rawPkt, err := p.marshal(true)
if err != nil {
t.Errorf("Failed to marshal packet: %v", err)
}
pkt := &packet{}
err = pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
i, ok := pkt.chunks[0].(*chunkInitAck)
if !ok {
t.Error("Failed to cast Chunk -> InitAck")
}
switch {
case err != nil:
t.Errorf("Unmarshal init ack Chunk failed: %v", err)
case i.initiateTag != 123:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect initiate tag exp: %d act: %d", 123, i.initiateTag)
case i.advertisedReceiverWindowCredit != 1024:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect advertisedReceiverWindowCredit exp: %d act: %d", 1024, i.advertisedReceiverWindowCredit)
case i.numOutboundStreams != 1:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect numOutboundStreams tag exp: %d act: %d", 1, i.numOutboundStreams)
case i.numInboundStreams != 1:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect numInboundStreams exp: %d act: %d", 1, i.numInboundStreams)
case i.initialTSN != 123:
t.Errorf("Unmarshal passed for SCTP packet, but got incorrect initialTSN exp: %d act: %d", 123, i.initialTSN)
}
}
func TestPayloadDataMarshalUnmarshal(t *testing.T) {
pkt := &packet{}
rawPkt := []byte{0x13, 0x88, 0x13, 0x88, 0xfc, 0xd6, 0x3f, 0xc6, 0xbe, 0xfa, 0xdc, 0x52, 0x0a, 0x00, 0x00, 0x24, 0x9b, 0x28, 0x7e, 0x48, 0xa3, 0x7b, 0xc1, 0x83, 0xc4, 0x4b, 0x41, 0x04, 0xa4, 0xf7, 0xed, 0x4c, 0x93, 0x62, 0xc3, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x1f, 0xa8, 0x79, 0xa1, 0xc7, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x32, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x66, 0x6f, 0x6f, 0x00}
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
_, ok := pkt.chunks[1].(*chunkPayloadData)
if !ok {
t.Error("Failed to cast Chunk -> PayloadData")
}
}
func TestSelectAckChunk(t *testing.T) {
pkt := &packet{}
rawPkt := []byte{0x13, 0x88, 0x13, 0x88, 0xc2, 0x98, 0x98, 0x0f, 0x42, 0x31, 0xea, 0x78, 0x03, 0x00, 0x00, 0x14, 0x87, 0x73, 0xbd, 0xa4, 0x00, 0x01, 0xfe, 0x74, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x02}
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
_, ok := pkt.chunks[0].(*chunkSelectiveAck)
if !ok {
t.Error("Failed to cast Chunk -> SelectiveAck")
}
}
func TestReconfigChunk(t *testing.T) {
pkt := &packet{}
rawPkt := []byte{0x13, 0x88, 0x13, 0x88, 0xb6, 0xa5, 0x12, 0xe5, 0x75, 0x3b, 0x12, 0xd3, 0x82, 0x0, 0x0, 0x16, 0x0, 0xd, 0x0, 0x12, 0x4e, 0x1c, 0xb9, 0xe6, 0x3a, 0x74, 0x8d, 0xff, 0x4e, 0x1c, 0xb9, 0xe6, 0x0, 0x1, 0x0, 0x0}
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
c, ok := pkt.chunks[0].(*chunkReconfig)
if !ok {
t.Error("Failed to cast Chunk -> Reconfig")
}
if c.paramA.(*paramOutgoingResetRequest).streamIdentifiers[0] != uint16(1) { //nolint:forcetypeassert
t.Errorf("unexpected stream identifier: %d", c.paramA.(*paramOutgoingResetRequest).streamIdentifiers[0]) //nolint:forcetypeassert
}
}
func TestForwardTSNChunk(t *testing.T) {
pkt := &packet{}
rawPkt := append([]byte{0x13, 0x88, 0x13, 0x88, 0xb6, 0xa5, 0x12, 0xe5, 0x1f, 0x9d, 0xa0, 0xfb}, testChunkForwardTSN()...)
err := pkt.unmarshal(true, rawPkt)
if err != nil {
t.Errorf("Unmarshal failed, has chunk: %v", err)
}
c, ok := pkt.chunks[0].(*chunkForwardTSN)
if !ok {
t.Error("Failed to cast Chunk -> Forward TSN")
}
if c.newCumulativeTSN != uint32(3) {
t.Errorf("unexpected New Cumulative TSN: %d", c.newCumulativeTSN)
}
}