95 lines
1.8 KiB
Go
95 lines
1.8 KiB
Go
// Copyright 2014 The Go 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 ipv4_test
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import (
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"net"
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"reflect"
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"runtime"
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"testing"
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"golang.org/x/net/internal/nettest"
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"golang.org/x/net/ipv4"
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)
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var icmpStringTests = []struct {
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in ipv4.ICMPType
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out string
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}{
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{ipv4.ICMPTypeDestinationUnreachable, "destination unreachable"},
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{256, "<nil>"},
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}
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func TestICMPString(t *testing.T) {
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for _, tt := range icmpStringTests {
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s := tt.in.String()
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if s != tt.out {
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t.Errorf("got %s; want %s", s, tt.out)
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}
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}
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}
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func TestICMPFilter(t *testing.T) {
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switch runtime.GOOS {
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case "linux":
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default:
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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var f ipv4.ICMPFilter
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for _, toggle := range []bool{false, true} {
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f.SetAll(toggle)
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for _, typ := range []ipv4.ICMPType{
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ipv4.ICMPTypeDestinationUnreachable,
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ipv4.ICMPTypeEchoReply,
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ipv4.ICMPTypeTimeExceeded,
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ipv4.ICMPTypeParameterProblem,
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} {
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f.Accept(typ)
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if f.WillBlock(typ) {
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t.Errorf("ipv4.ICMPFilter.Set(%v, false) failed", typ)
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}
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f.Block(typ)
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if !f.WillBlock(typ) {
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t.Errorf("ipv4.ICMPFilter.Set(%v, true) failed", typ)
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}
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}
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}
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}
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func TestSetICMPFilter(t *testing.T) {
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switch runtime.GOOS {
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case "linux":
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default:
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if m, ok := nettest.SupportsRawIPSocket(); !ok {
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t.Skip(m)
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}
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c, err := net.ListenPacket("ip4:icmp", "127.0.0.1")
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if err != nil {
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t.Fatal(err)
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}
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defer c.Close()
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p := ipv4.NewPacketConn(c)
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var f ipv4.ICMPFilter
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f.SetAll(true)
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f.Accept(ipv4.ICMPTypeEcho)
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f.Accept(ipv4.ICMPTypeEchoReply)
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if err := p.SetICMPFilter(&f); err != nil {
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t.Fatal(err)
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}
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kf, err := p.ICMPFilter()
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(kf, &f) {
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t.Fatalf("got %#v; want %#v", kf, f)
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}
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}
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