/
gateway_test.go
284 lines (260 loc) · 8.67 KB
/
gateway_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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
package gateway
import (
"net"
"testing"
)
type testcase struct {
output []byte
ok bool
gateway string
}
func TestParseWindowsRoutePrint(t *testing.T) {
correctData := []byte(`
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 10.88.88.2 10.88.88.149 10
===========================================================================
Persistent Routes:
`)
randomData := []byte(`
Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis nostrud exercitation
`)
noRoute := []byte(`
IPv4 Route Table
===========================================================================
Active Routes:
`)
badRoute1 := []byte(`
IPv4 Route Table
===========================================================================
Active Routes:
===========================================================================
Persistent Routes:
`)
badRoute2 := []byte(`
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 foo 10.88.88.149 10
===========================================================================
Persistent Routes:
`)
testcases := []testcase{
{correctData, true, "10.88.88.2"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute1, false, ""},
{badRoute2, false, ""},
}
test(t, testcases, parseWindowsRoutePrint)
}
func TestParseLinuxIPRouteShow(t *testing.T) {
correctData := []byte(`
default via 192.168.178.1 dev wlp3s0 metric 303
192.168.178.0/24 dev wlp3s0 proto kernel scope link src 192.168.178.76 metric 303
`)
randomData := []byte(`
test
Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis nostrud exercitation
`)
noRoute := []byte(`
192.168.178.0/24 dev wlp3s0 proto kernel scope link src 192.168.178.76 metric 303
`)
badRoute := []byte(`
default via foo dev wlp3s0 metric 303
192.168.178.0/24 dev wlp3s0 proto kernel scope link src 192.168.178.76 metric 303
`)
testcases := []testcase{
{correctData, true, "192.168.178.1"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute, false, ""},
}
test(t, testcases, parseLinuxIPRouteShow)
}
func TestParseLinuxIPRouteGet(t *testing.T) {
correctData := []byte(`
8.8.8.8 via 10.0.1.1 dev eth0 src 10.0.1.36 uid 2000
cache`)
randomData := []byte(`
test
Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis nostrud exercitation
`)
noRoute := []byte(`
broadcast 255.255.255.255 dev eth0 src 10.0.1.36 uid 2000
cache <local,brd>
`)
badRoute := []byte(`
local 0.0.0.0 dev lo src 127.0.0.1 uid 2000
cache <local>
`)
errorRoute := []byte(`
RTNETLINK answers: Invalid argument
`)
testcases := []testcase{
{correctData, true, "10.0.1.1"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute, false, ""},
{errorRoute, false, ""},
}
test(t, testcases, parseLinuxIPRouteGet)
}
func TestParseLinuxRoutePrint(t *testing.T) {
correctData := []byte(`
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
`)
randomData := []byte(`
test
Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis nostrud exercitation
`)
noRoute := []byte(`
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
`)
badRoute := []byte(`
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 foo 0.0.0.0 UG 0 0 0 eth0
`)
missingRoute := []byte(`
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.0.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
`)
testcases := []testcase{
{correctData, true, "192.168.1.1"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute, false, ""},
{missingRoute, false, ""},
}
test(t, testcases, parseLinuxRoute)
}
func TestParseDarwinRouteGet(t *testing.T) {
correctData := []byte(`
route to: 0.0.0.0
destination: default
mask: default
gateway: 172.16.32.1
interface: en0
flags: <UP,GATEWAY,DONE,STATIC,PRCLONING>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
0 0 0 0 0 0 1500 0
`)
randomData := []byte(`
test
Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis nostrud exercitation
`)
noRoute := []byte(`
route to: 0.0.0.0
destination: default
mask: default
`)
badRoute := []byte(`
route to: 0.0.0.0
destination: default
mask: default
gateway: foo
interface: en0
flags: <UP,GATEWAY,DONE,STATIC,PRCLONING>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
0 0 0 0 0 0 1500 0
`)
testcases := []testcase{
{correctData, true, "172.16.32.1"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute, false, ""},
}
test(t, testcases, parseDarwinRouteGet)
}
func TestParseBSDSolarisNetstat(t *testing.T) {
correctDataFreeBSD := []byte(`
Routing tables
Internet:
Destination Gateway Flags Netif Expire
default 10.88.88.2 UGS em0
10.88.88.0/24 link#1 U em0
10.88.88.148 link#1 UHS lo0
127.0.0.1 link#2 UH lo0
Internet6:
Destination Gateway Flags Netif Expire
::/96 ::1 UGRS lo0
::1 link#2 UH lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
fe80::/10 ::1 UGRS lo0
`)
correctDataSolaris := []byte(`
Routing Table: IPv4
Destination Gateway Flags Ref Use Interface
-------------------- -------------------- ----- ----- ---------- ---------
default 172.16.32.1 UG 2 76419 net0
127.0.0.1 127.0.0.1 UH 2 36 lo0
172.16.32.0 172.16.32.17 U 4 8100 net0
Routing Table: IPv6
Destination/Mask Gateway Flags Ref Use If
--------------------------- --------------------------- ----- --- ------- -----
::1 ::1 UH 3 75382 lo0
2001:470:deeb:32::/64 2001:470:deeb:32::17 U 3 2744 net0
fe80::/10 fe80::6082:52ff:fedc:7df0 U 3 8430 net0
`)
randomData := []byte(`
Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis nostrud exercitation
`)
noRoute := []byte(`
Internet:
Destination Gateway Flags Netif Expire
10.88.88.0/24 link#1 U em0
10.88.88.148 link#1 UHS lo0
127.0.0.1 link#2 UH lo0
`)
badRoute := []byte(`
Internet:
Destination Gateway Flags Netif Expire
default foo UGS em0
10.88.88.0/24 link#1 U em0
10.88.88.148 link#1 UHS lo0
127.0.0.1 link#2 UH lo0
`)
testcases := []testcase{
{correctDataFreeBSD, true, "10.88.88.2"},
{correctDataSolaris, true, "172.16.32.1"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute, false, ""},
}
test(t, testcases, parseBSDSolarisNetstat)
}
func test(t *testing.T, testcases []testcase, fn func([]byte) (net.IP, error)) {
for i, tc := range testcases {
net, err := fn(tc.output)
if tc.ok {
if err != nil {
t.Errorf("Unexpected error in test #%d: %v", i, err)
}
if net.String() != tc.gateway {
t.Errorf("Unexpected gateway address %v != %s", net, tc.gateway)
}
} else if err == nil {
t.Errorf("Unexpected nil error in test #%d", i)
}
}
}