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tailscale/net/tsaddr/tsaddr_test.go

293 lines
6.6 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package tsaddr
import (
"net/netip"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"tailscale.com/net/netaddr"
"tailscale.com/types/views"
)
func TestInCrostiniRange(t *testing.T) {
tests := []struct {
ip netip.Addr
want bool
}{
{netaddr.IPv4(192, 168, 0, 1), false},
{netaddr.IPv4(100, 101, 102, 103), false},
{netaddr.IPv4(100, 115, 92, 0), true},
{netaddr.IPv4(100, 115, 92, 5), true},
{netaddr.IPv4(100, 115, 92, 255), true},
{netaddr.IPv4(100, 115, 93, 40), true},
{netaddr.IPv4(100, 115, 94, 1), false},
}
for _, test := range tests {
if got := ChromeOSVMRange().Contains(test.ip); got != test.want {
t.Errorf("inCrostiniRange(%q) = %v, want %v", test.ip, got, test.want)
}
}
}
func TestTailscaleServiceIP(t *testing.T) {
got := TailscaleServiceIP().String()
want := "100.100.100.100"
if got != want {
t.Errorf("got %q; want %q", got, want)
}
if TailscaleServiceIPString != want {
t.Error("TailscaleServiceIPString is not consistent")
}
}
func TestTailscaleServiceIPv6(t *testing.T) {
got := TailscaleServiceIPv6().String()
want := "fd7a:115c:a1e0::53"
if got != want {
t.Errorf("got %q; want %q", got, want)
}
if TailscaleServiceIPv6String != want {
t.Error("TailscaleServiceIPv6String is not consistent")
}
}
func TestChromeOSVMRange(t *testing.T) {
if got, want := ChromeOSVMRange().String(), "100.115.92.0/23"; got != want {
t.Errorf("got %q; want %q", got, want)
}
}
func TestCGNATRange(t *testing.T) {
if got, want := CGNATRange().String(), "100.64.0.0/10"; got != want {
t.Errorf("got %q; want %q", got, want)
}
}
var sinkIP netip.Addr
func BenchmarkTailscaleServiceAddr(b *testing.B) {
b.ReportAllocs()
for range b.N {
sinkIP = TailscaleServiceIP()
}
}
func TestUnmapVia(t *testing.T) {
tests := []struct {
ip string
want string
}{
{"1.2.3.4", "1.2.3.4"}, // unchanged v4
{"fd7a:115c:a1e0:b1a::bb:10.2.1.3", "10.2.1.3"},
{"fd7a:115c:a1e0:b1b::bb:10.2.1.4", "fd7a:115c:a1e0:b1b:0:bb:a02:104"}, // "b1b",not "bia"
}
for _, tt := range tests {
if got := UnmapVia(netip.MustParseAddr(tt.ip)).String(); got != tt.want {
t.Errorf("for %q: got %q, want %q", tt.ip, got, tt.want)
}
}
}
func TestIsExitNodeRoute(t *testing.T) {
tests := []struct {
pref netip.Prefix
want bool
}{
{
pref: AllIPv4(),
want: true,
},
{
pref: AllIPv6(),
want: true,
},
{
pref: netip.MustParsePrefix("1.1.1.1/0"),
want: false,
},
{
pref: netip.MustParsePrefix("1.1.1.1/1"),
want: false,
},
{
pref: netip.MustParsePrefix("192.168.0.0/24"),
want: false,
},
}
for _, tt := range tests {
if got := IsExitRoute(tt.pref); got != tt.want {
t.Errorf("for %q: got %v, want %v", tt.pref, got, tt.want)
}
}
}
func TestWithoutExitRoutes(t *testing.T) {
tests := []struct {
prefs []netip.Prefix
want []netip.Prefix
}{
{
prefs: []netip.Prefix{AllIPv4(), AllIPv6()},
want: []netip.Prefix{},
},
{
prefs: []netip.Prefix{AllIPv4()},
want: []netip.Prefix{AllIPv4()},
},
{
prefs: []netip.Prefix{AllIPv4(), AllIPv6(), netip.MustParsePrefix("10.0.0.0/10")},
want: []netip.Prefix{netip.MustParsePrefix("10.0.0.0/10")},
},
{
prefs: []netip.Prefix{AllIPv6(), netip.MustParsePrefix("10.0.0.0/10")},
want: []netip.Prefix{AllIPv6(), netip.MustParsePrefix("10.0.0.0/10")},
},
}
for _, tt := range tests {
got := WithoutExitRoutes(views.SliceOf(tt.prefs))
if diff := cmp.Diff(tt.want, got.AsSlice(), cmpopts.EquateEmpty(), cmp.Comparer(func(a, b netip.Prefix) bool { return a == b })); diff != "" {
t.Errorf("unexpected route difference (-want +got):\n%s", diff)
}
}
}
func TestWithoutExitRoute(t *testing.T) {
tests := []struct {
prefs []netip.Prefix
want []netip.Prefix
}{
{
prefs: []netip.Prefix{AllIPv4(), AllIPv6()},
want: []netip.Prefix{},
},
{
prefs: []netip.Prefix{AllIPv4()},
want: []netip.Prefix{},
},
{
prefs: []netip.Prefix{AllIPv4(), AllIPv6(), netip.MustParsePrefix("10.0.0.0/10")},
want: []netip.Prefix{netip.MustParsePrefix("10.0.0.0/10")},
},
{
prefs: []netip.Prefix{AllIPv6(), netip.MustParsePrefix("10.0.0.0/10")},
want: []netip.Prefix{netip.MustParsePrefix("10.0.0.0/10")},
},
}
for _, tt := range tests {
got := WithoutExitRoute(views.SliceOf(tt.prefs))
if diff := cmp.Diff(tt.want, got.AsSlice(), cmpopts.EquateEmpty(), cmp.Comparer(func(a, b netip.Prefix) bool { return a == b })); diff != "" {
t.Errorf("unexpected route difference (-want +got):\n%s", diff)
}
}
}
func TestContainsExitRoute(t *testing.T) {
tests := []struct {
prefs []netip.Prefix
want bool
}{
{
prefs: []netip.Prefix{AllIPv4(), AllIPv6()},
want: true,
},
{
prefs: []netip.Prefix{AllIPv4()},
want: true,
},
{
prefs: []netip.Prefix{AllIPv4(), AllIPv6(), netip.MustParsePrefix("10.0.0.0/10")},
want: true,
},
{
prefs: []netip.Prefix{AllIPv6(), netip.MustParsePrefix("10.0.0.0/10")},
want: true,
},
{
prefs: []netip.Prefix{netip.MustParsePrefix("10.0.0.0/10")},
want: false,
},
}
for _, tt := range tests {
if got := ContainsExitRoute(views.SliceOf(tt.prefs)); got != tt.want {
t.Errorf("for %q: got %v, want %v", tt.prefs, got, tt.want)
}
}
}
func TestIsTailscaleIPv4(t *testing.T) {
tests := []struct {
in netip.Addr
want bool
}{
{
in: netip.MustParseAddr("100.67.19.57"),
want: true,
},
{
in: netip.MustParseAddr("10.10.10.10"),
want: false,
},
{
in: netip.MustParseAddr("fd7a:115c:a1e0:3f2b:7a1d:4e88:9c2b:7f01"),
want: false,
},
{
in: netip.MustParseAddr("bc9d:0aa0:1f0a:69ab:eb5c:28e0:5456:a518"),
want: false,
},
{
in: netip.MustParseAddr("100.115.92.157"),
want: false,
},
}
for _, tt := range tests {
if got := IsTailscaleIPv4(tt.in); got != tt.want {
t.Errorf("IsTailscaleIPv4(%v) = %v, want %v", tt.in, got, tt.want)
}
}
}
func TestIsTailscaleIP(t *testing.T) {
tests := []struct {
in netip.Addr
want bool
}{
{
in: netip.MustParseAddr("100.67.19.57"),
want: true,
},
{
in: netip.MustParseAddr("10.10.10.10"),
want: false,
},
{
in: netip.MustParseAddr("fd7a:115c:a1e0:3f2b:7a1d:4e88:9c2b:7f01"),
want: true,
},
{
in: netip.MustParseAddr("bc9d:0aa0:1f0a:69ab:eb5c:28e0:5456:a518"),
want: false,
},
{
in: netip.MustParseAddr("100.115.92.157"),
want: false,
},
}
for _, tt := range tests {
if got := IsTailscaleIP(tt.in); got != tt.want {
t.Errorf("IsTailscaleIP(%v) = %v, want %v", tt.in, got, tt.want)
}
}
}