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gateway_test.go
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gateway_test.go
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package gateway
import (
"net"
"testing"
)
type testcase struct {
output []byte
ok bool
gateway string
}
func TestParseWindows(t *testing.T) {
correctData := []byte(`
===========================================================================
Interface List
8 ...00 12 3f a7 17 ba ...... Intel(R) PRO/100 VE Network Connection
1 ........................... Software Loopback Interface 1
===========================================================================
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:
`)
localizedData := []byte(
`===========================================================================
Liste d'Interfaces
17...00 28 f8 39 61 6b ......Microsoft Wi-Fi Direct Virtual Adapter
1...........................Software Loopback Interface 1
===========================================================================
IPv4 Table de routage
===========================================================================
Itinéraires actifs :
Destination réseau Masque réseau Adr. passerelle Adr. interface Métrique
0.0.0.0 0.0.0.0 10.88.88.2 10.88.88.149 10
===========================================================================
Itinéraires persistants :
Aucun
`)
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(`
===========================================================================
Interface List
8 ...00 12 3f a7 17 ba ...... Intel(R) PRO/100 VE Network Connection
1 ........................... Software Loopback Interface 1
===========================================================================
IPv4 Route Table
===========================================================================
Active Routes:
`)
badRoute1 := []byte(`
===========================================================================
Interface List
8 ...00 12 3f a7 17 ba ...... Intel(R) PRO/100 VE Network Connection
1 ........................... Software Loopback Interface 1
===========================================================================
IPv4 Route Table
===========================================================================
Active Routes:
===========================================================================
Persistent Routes:
`)
badRoute2 := []byte(`
===========================================================================
Interface List
8 ...00 12 3f a7 17 ba ...... Intel(R) PRO/100 VE Network Connection
1 ........................... Software Loopback Interface 1
===========================================================================
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"},
{localizedData, true, "10.88.88.2"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute1, false, ""},
{badRoute2, false, ""},
}
test(t, testcases, parseWindowsGatewayIP)
interfaceTestCases := []testcase{
{correctData, true, "10.88.88.149"},
{localizedData, true, "10.88.88.149"},
{randomData, false, ""},
{noRoute, false, ""},
{badRoute1, false, ""},
{badRoute2, true, "10.88.88.149"},
}
test(t, interfaceTestCases, parseWindowsInterfaceIP)
}
func TestParseLinux(t *testing.T) {
correctData := []byte(`Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT
wlp4s0 0000FEA9 00000000 0001 0 0 1000 0000FFFF 0 0 0
docker0 000011AC 00000000 0001 0 0 0 0000FFFF 0 0 0
docker_gwbridge 000012AC 00000000 0001 0 0 0 0000FFFF 0 0 0
wlp4s0 0008A8C0 00000000 0001 0 0 600 00FFFFFF 0 0 0
wlp4s0 00000000 0108A8C0 0003 0 0 600 00000000 0 0 0
`)
noRoute := []byte(`
Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT
`)
testcases := []testcase{
{correctData, true, "192.168.8.1"},
{noRoute, false, ""},
}
test(t, testcases, parseLinuxGatewayIP)
// ifData := []byte(`Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT
// eth0 00000000 00000000 0001 0 0 1000 0000FFFF 0 0 0
// `)
// interfaceTestCases := []testcase{
// {ifData, true, "192.168.8.238"},
// {noRoute, false, ""},
// }
// to run interface test in your local computer, change eth0 with your default interface name, and change the expected IP to be your default IP
// test(t, interfaceTestCases, parseLinuxInterfaceIP)
}
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 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 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)
}
}
}