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262 lines
6 KiB
Go
262 lines
6 KiB
Go
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// Copyright 2013 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 ipv6_test
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import (
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"net"
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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/ipv6"
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)
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var udpMultipleGroupListenerTests = []net.Addr{
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&net.UDPAddr{IP: net.ParseIP("ff02::114")}, // see RFC 4727
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&net.UDPAddr{IP: net.ParseIP("ff02::1:114")},
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&net.UDPAddr{IP: net.ParseIP("ff02::2:114")},
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}
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func TestUDPSinglePacketConnWithMultipleGroupListeners(t *testing.T) {
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switch runtime.GOOS {
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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}
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for _, gaddr := range udpMultipleGroupListenerTests {
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c, err := net.ListenPacket("udp6", "[::]:0") // wildcard address with non-reusable port
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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 := ipv6.NewPacketConn(c)
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var mift []*net.Interface
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
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continue
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}
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if err := p.JoinGroup(&ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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mift = append(mift, &ift[i])
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}
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for _, ifi := range mift {
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if err := p.LeaveGroup(ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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}
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func TestUDPMultiplePacketConnWithMultipleGroupListeners(t *testing.T) {
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switch runtime.GOOS {
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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}
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for _, gaddr := range udpMultipleGroupListenerTests {
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c1, err := net.ListenPacket("udp6", "[ff02::]:0") // wildcard address with reusable port
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if err != nil {
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t.Fatal(err)
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}
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defer c1.Close()
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_, port, err := net.SplitHostPort(c1.LocalAddr().String())
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if err != nil {
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t.Fatal(err)
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}
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c2, err := net.ListenPacket("udp6", net.JoinHostPort("ff02::", port)) // wildcard address with reusable port
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if err != nil {
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t.Fatal(err)
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}
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defer c2.Close()
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var ps [2]*ipv6.PacketConn
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ps[0] = ipv6.NewPacketConn(c1)
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ps[1] = ipv6.NewPacketConn(c2)
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var mift []*net.Interface
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
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continue
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}
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for _, p := range ps {
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if err := p.JoinGroup(&ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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}
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mift = append(mift, &ift[i])
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}
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for _, ifi := range mift {
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for _, p := range ps {
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if err := p.LeaveGroup(ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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}
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}
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func TestUDPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
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switch runtime.GOOS {
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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}
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gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
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type ml struct {
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c *ipv6.PacketConn
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ifi *net.Interface
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}
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var mlt []*ml
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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port := "0"
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for i, ifi := range ift {
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ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
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if !ok {
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continue
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}
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c, err := net.ListenPacket("udp6", net.JoinHostPort(ip.String()+"%"+ifi.Name, port)) // unicast address with non-reusable port
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if err != nil {
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// The listen may fail when the serivce is
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// already in use, but it's fine because the
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// purpose of this is not to test the
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// bookkeeping of IP control block inside the
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// kernel.
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t.Log(err)
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continue
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}
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defer c.Close()
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if port == "0" {
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_, port, err = net.SplitHostPort(c.LocalAddr().String())
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if err != nil {
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t.Fatal(err)
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}
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}
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p := ipv6.NewPacketConn(c)
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if err := p.JoinGroup(&ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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mlt = append(mlt, &ml{p, &ift[i]})
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}
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for _, m := range mlt {
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if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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func TestIPSinglePacketConnWithSingleGroupListener(t *testing.T) {
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switch runtime.GOOS {
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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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("ip6:ipv6-icmp", "::") // wildcard address
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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 := ipv6.NewPacketConn(c)
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gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
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var mift []*net.Interface
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
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continue
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}
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if err := p.JoinGroup(&ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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mift = append(mift, &ift[i])
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}
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for _, ifi := range mift {
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if err := p.LeaveGroup(ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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func TestIPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
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switch runtime.GOOS {
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case "darwin", "dragonfly", "openbsd": // platforms that return fe80::1%lo0: bind: can't assign requested address
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t.Skipf("not supported on %s", runtime.GOOS)
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case "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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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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gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
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type ml struct {
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c *ipv6.PacketConn
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ifi *net.Interface
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}
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var mlt []*ml
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
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if !ok {
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continue
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}
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c, err := net.ListenPacket("ip6:ipv6-icmp", ip.String()+"%"+ifi.Name) // unicast address
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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 := ipv6.NewPacketConn(c)
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if err := p.JoinGroup(&ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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mlt = append(mlt, &ml{p, &ift[i]})
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}
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for _, m := range mlt {
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if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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