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102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
//go:build linux
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package arpdb
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import (
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"net"
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"net/netip"
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"sync"
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"testing"
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"testing/fstest"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const arpAOutputWrt = `
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IP address HW type Flags HW address Mask Device
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1.2.3.4.5 0x1 0x2 aa:bb:cc:dd:ee:ff * wan
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1.2.3.4 0x1 0x2 12:34:56:78:910 * wan
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192.168.1.2 0x1 0x2 ab:cd:ef:ab:cd:ef * wan
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::ffff:ffff 0x1 0x2 ef:cd:ab:ef:cd:ab * wan`
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const arpAOutput = `
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invalid.mac (1.2.3.4) at 12:34:56:78:910 on el0 ifscope [ethernet]
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invalid.ip (1.2.3.4.5) at ab:cd:ef:ab:cd:12 on ek0 ifscope [ethernet]
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invalid.fmt 1 at 12:cd:ef:ab:cd:ef on er0 ifscope [ethernet]
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? (192.168.1.2) at ab:cd:ef:ab:cd:ef on en0 ifscope [ethernet]
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? (::ffff:ffff) at ef:cd:ab:ef:cd:ab on em0 expires in 100 seconds [ethernet]`
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const ipNeighOutput = `
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1.2.3.4.5 dev enp0s3 lladdr aa:bb:cc:dd:ee:ff DELAY
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1.2.3.4 dev enp0s3 lladdr 12:34:56:78:910 DELAY
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192.168.1.2 dev enp0s3 lladdr ab:cd:ef:ab:cd:ef DELAY
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::ffff:ffff dev enp0s3 lladdr ef:cd:ab:ef:cd:ab router STALE`
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var wantNeighs = []Neighbor{{
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IP: netip.MustParseAddr("192.168.1.2"),
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MAC: net.HardwareAddr{0xAB, 0xCD, 0xEF, 0xAB, 0xCD, 0xEF},
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}, {
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IP: netip.MustParseAddr("::ffff:ffff"),
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MAC: net.HardwareAddr{0xEF, 0xCD, 0xAB, 0xEF, 0xCD, 0xAB},
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}}
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func TestFSysARPDB(t *testing.T) {
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require.NoError(t, fstest.TestFS(testdata, "proc_net_arp"))
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a := &fsysARPDB{
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ns: &neighs{
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mu: &sync.RWMutex{},
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ns: make([]Neighbor, 0),
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},
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fsys: testdata,
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filename: "proc_net_arp",
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}
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err := a.Refresh()
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require.NoError(t, err)
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ns := a.Neighbors()
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assert.Equal(t, wantNeighs, ns)
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}
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func TestCmdARPDB_linux(t *testing.T) {
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sh := mapShell{
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"arp -a": {err: nil, out: arpAOutputWrt, code: 0},
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"ip neigh": {err: nil, out: ipNeighOutput, code: 0},
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}
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substShell(t, sh.RunCmd)
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t.Run("wrt", func(t *testing.T) {
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a := &cmdARPDB{
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parse: parseArpAWrt,
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cmd: "arp",
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args: []string{"-a"},
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ns: &neighs{
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mu: &sync.RWMutex{},
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ns: make([]Neighbor, 0),
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},
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}
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err := a.Refresh()
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require.NoError(t, err)
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assert.Equal(t, wantNeighs, a.Neighbors())
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})
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t.Run("ip_neigh", func(t *testing.T) {
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a := &cmdARPDB{
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parse: parseIPNeigh,
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cmd: "ip",
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args: []string{"neigh"},
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ns: &neighs{
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mu: &sync.RWMutex{},
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ns: make([]Neighbor, 0),
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},
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}
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err := a.Refresh()
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require.NoError(t, err)
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assert.Equal(t, wantNeighs, a.Neighbors())
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})
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}
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