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134 lines
3.7 KiB
Go
134 lines
3.7 KiB
Go
2 years ago
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// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cli
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import (
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"net/netip"
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"reflect"
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"testing"
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"tailscale.com/ipn"
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"tailscale.com/net/tsaddr"
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)
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func ptrTo[T any](v T) *T { return &v }
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func TestCalcAdvertiseRoutesForSet(t *testing.T) {
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pfx := netip.MustParsePrefix
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tests := []struct {
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name string
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setExit *bool
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setRoutes *string
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was []netip.Prefix
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want []netip.Prefix
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}{
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{
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name: "empty",
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},
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{
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name: "advertise-exit",
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setExit: ptrTo(true),
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want: tsaddr.ExitRoutes(),
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},
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{
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name: "advertise-exit/already-routes",
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was: []netip.Prefix{pfx("34.0.0.0/16")},
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setExit: ptrTo(true),
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want: []netip.Prefix{pfx("34.0.0.0/16"), tsaddr.AllIPv4(), tsaddr.AllIPv6()},
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},
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{
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name: "advertise-exit/already-exit",
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was: tsaddr.ExitRoutes(),
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setExit: ptrTo(true),
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want: tsaddr.ExitRoutes(),
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},
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{
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name: "stop-advertise-exit",
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was: tsaddr.ExitRoutes(),
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setExit: ptrTo(false),
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want: nil,
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},
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{
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name: "stop-advertise-exit/with-routes",
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was: []netip.Prefix{pfx("34.0.0.0/16"), tsaddr.AllIPv4(), tsaddr.AllIPv6()},
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setExit: ptrTo(false),
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want: []netip.Prefix{pfx("34.0.0.0/16")},
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},
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{
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name: "advertise-routes",
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setRoutes: ptrTo("10.0.0.0/24,192.168.0.0/16"),
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want: []netip.Prefix{pfx("10.0.0.0/24"), pfx("192.168.0.0/16")},
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},
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{
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name: "advertise-routes/already-exit",
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was: tsaddr.ExitRoutes(),
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setRoutes: ptrTo("10.0.0.0/24,192.168.0.0/16"),
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want: []netip.Prefix{pfx("10.0.0.0/24"), pfx("192.168.0.0/16"), tsaddr.AllIPv4(), tsaddr.AllIPv6()},
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},
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{
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name: "advertise-routes/already-diff-routes",
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was: []netip.Prefix{pfx("34.0.0.0/16")},
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setRoutes: ptrTo("10.0.0.0/24,192.168.0.0/16"),
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want: []netip.Prefix{pfx("10.0.0.0/24"), pfx("192.168.0.0/16")},
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},
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{
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name: "stop-advertise-routes",
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was: []netip.Prefix{pfx("34.0.0.0/16")},
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setRoutes: ptrTo(""),
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want: nil,
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},
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{
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name: "stop-advertise-routes/already-exit",
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was: []netip.Prefix{pfx("34.0.0.0/16"), tsaddr.AllIPv4(), tsaddr.AllIPv6()},
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setRoutes: ptrTo(""),
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want: tsaddr.ExitRoutes(),
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},
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{
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name: "advertise-routes-and-exit",
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setExit: ptrTo(true),
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setRoutes: ptrTo("10.0.0.0/24,192.168.0.0/16"),
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want: []netip.Prefix{pfx("10.0.0.0/24"), pfx("192.168.0.0/16"), tsaddr.AllIPv4(), tsaddr.AllIPv6()},
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},
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{
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name: "advertise-routes-and-exit/already-exit",
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was: tsaddr.ExitRoutes(),
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setExit: ptrTo(true),
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setRoutes: ptrTo("10.0.0.0/24,192.168.0.0/16"),
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want: []netip.Prefix{pfx("10.0.0.0/24"), pfx("192.168.0.0/16"), tsaddr.AllIPv4(), tsaddr.AllIPv6()},
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},
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{
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name: "advertise-routes-and-exit/already-routes",
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was: []netip.Prefix{pfx("10.0.0.0/24"), pfx("192.168.0.0/16")},
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setExit: ptrTo(true),
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setRoutes: ptrTo("10.0.0.0/24,192.168.0.0/16"),
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want: []netip.Prefix{pfx("10.0.0.0/24"), pfx("192.168.0.0/16"), tsaddr.AllIPv4(), tsaddr.AllIPv6()},
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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curPrefs := &ipn.Prefs{
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AdvertiseRoutes: tc.was,
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}
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sa := setArgsT{}
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if tc.setExit != nil {
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sa.advertiseDefaultRoute = *tc.setExit
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}
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if tc.setRoutes != nil {
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sa.advertiseRoutes = *tc.setRoutes
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}
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got, err := calcAdvertiseRoutesForSet(tc.setExit != nil, tc.setRoutes != nil, curPrefs, sa)
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if err != nil {
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t.Fatal(err)
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}
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tsaddr.SortPrefixes(got)
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tsaddr.SortPrefixes(tc.want)
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if !reflect.DeepEqual(got, tc.want) {
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t.Errorf("got %v, want %v", got, tc.want)
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}
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})
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}
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}
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