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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"errors"
"net"
"reflect"
"runtime"
"testing"
"golang.org/x/net/ipv6"
"golang.org/x/net/nettest"
)
var icmpStringTests = []struct {
in ipv6.ICMPType
out string
}{
{ipv6.ICMPTypeDestinationUnreachable, "destination unreachable"},
{256, "<nil>"},
}
func TestICMPString(t *testing.T) {
for _, tt := range icmpStringTests {
s := tt.in.String()
if s != tt.out {
t.Errorf("got %s; want %s", s, tt.out)
}
}
}
func TestICMPFilter(t *testing.T) {
switch runtime.GOOS {
case "fuchsia", "hurd", "js", "nacl", "plan9", "wasip1", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
var f ipv6.ICMPFilter
for _, toggle := range []bool{false, true} {
f.SetAll(toggle)
for _, typ := range []ipv6.ICMPType{
ipv6.ICMPTypeDestinationUnreachable,
ipv6.ICMPTypeEchoReply,
ipv6.ICMPTypeNeighborSolicitation,
ipv6.ICMPTypeDuplicateAddressConfirmation,
} {
f.Accept(typ)
if f.WillBlock(typ) {
t.Errorf("ipv6.ICMPFilter.Set(%v, false) failed", typ)
}
f.Block(typ)
if !f.WillBlock(typ) {
t.Errorf("ipv6.ICMPFilter.Set(%v, true) failed", typ)
}
}
}
}
func TestSetICMPFilter(t *testing.T) {
if !nettest.SupportsIPv6() {
t.Skip("ipv6 is not supported")
}
if !nettest.SupportsRawSocket() {
t.Skipf("not supported on %s/%s", runtime.GOOS, runtime.GOARCH)
}
c, err := net.ListenPacket("ip6:ipv6-icmp", "::1")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
var f ipv6.ICMPFilter
f.SetAll(true)
f.Accept(ipv6.ICMPTypeEchoRequest)
f.Accept(ipv6.ICMPTypeEchoReply)
if err := p.SetICMPFilter(&f); errors.Is(err, ipv6.ErrNotImplemented) {
t.Skipf("setting ICMP filter not supported: %v", err)
} else if err != nil {
t.Fatal(err)
}
kf, err := p.ICMPFilter()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(kf, &f) {
t.Fatalf("got %#v; want %#v", kf, f)
}
}