+++ /dev/null
-// 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 (
- "bytes"
- "net"
- "os"
- "runtime"
- "testing"
- "time"
-
- "golang.org/x/net/icmp"
- "golang.org/x/net/internal/iana"
- "golang.org/x/net/internal/nettest"
- "golang.org/x/net/ipv6"
-)
-
-var packetConnReadWriteMulticastUDPTests = []struct {
- addr string
- grp, src *net.UDPAddr
-}{
- {"[ff02::]:0", &net.UDPAddr{IP: net.ParseIP("ff02::114")}, nil}, // see RFC 4727
-
- {"[ff30::8000:0]:0", &net.UDPAddr{IP: net.ParseIP("ff30::8000:1")}, &net.UDPAddr{IP: net.IPv6loopback}}, // see RFC 5771
-}
-
-func TestPacketConnReadWriteMulticastUDP(t *testing.T) {
- switch runtime.GOOS {
- case "nacl", "plan9", "windows":
- t.Skipf("not supported on %s", runtime.GOOS)
- }
- if !supportsIPv6 {
- t.Skip("ipv6 is not supported")
- }
- if !nettest.SupportsIPv6MulticastDeliveryOnLoopback() {
- t.Skipf("multicast delivery doesn't work correctly on %s", runtime.GOOS)
- }
- ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
- if ifi == nil {
- t.Skipf("not available on %s", runtime.GOOS)
- }
-
- for _, tt := range packetConnReadWriteMulticastUDPTests {
- c, err := net.ListenPacket("udp6", tt.addr)
- if err != nil {
- t.Fatal(err)
- }
- defer c.Close()
-
- grp := *tt.grp
- grp.Port = c.LocalAddr().(*net.UDPAddr).Port
- p := ipv6.NewPacketConn(c)
- defer p.Close()
- if tt.src == nil {
- if err := p.JoinGroup(ifi, &grp); err != nil {
- t.Fatal(err)
- }
- defer p.LeaveGroup(ifi, &grp)
- } else {
- if err := p.JoinSourceSpecificGroup(ifi, &grp, tt.src); err != nil {
- switch runtime.GOOS {
- case "freebsd", "linux":
- default: // platforms that don't support MLDv2 fail here
- t.Logf("not supported on %s", runtime.GOOS)
- continue
- }
- t.Fatal(err)
- }
- defer p.LeaveSourceSpecificGroup(ifi, &grp, tt.src)
- }
- if err := p.SetMulticastInterface(ifi); err != nil {
- t.Fatal(err)
- }
- if _, err := p.MulticastInterface(); err != nil {
- t.Fatal(err)
- }
- if err := p.SetMulticastLoopback(true); err != nil {
- t.Fatal(err)
- }
- if _, err := p.MulticastLoopback(); err != nil {
- t.Fatal(err)
- }
-
- cm := ipv6.ControlMessage{
- TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
- Src: net.IPv6loopback,
- IfIndex: ifi.Index,
- }
- cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
- wb := []byte("HELLO-R-U-THERE")
-
- for i, toggle := range []bool{true, false, true} {
- if err := p.SetControlMessage(cf, toggle); err != nil {
- if nettest.ProtocolNotSupported(err) {
- t.Logf("not supported on %s", runtime.GOOS)
- continue
- }
- t.Fatal(err)
- }
- if err := p.SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
- t.Fatal(err)
- }
- cm.HopLimit = i + 1
- if n, err := p.WriteTo(wb, &cm, &grp); err != nil {
- t.Fatal(err)
- } else if n != len(wb) {
- t.Fatal(err)
- }
- rb := make([]byte, 128)
- if n, _, _, err := p.ReadFrom(rb); err != nil {
- t.Fatal(err)
- } else if !bytes.Equal(rb[:n], wb) {
- t.Fatalf("got %v; want %v", rb[:n], wb)
- }
- }
- }
-}
-
-var packetConnReadWriteMulticastICMPTests = []struct {
- grp, src *net.IPAddr
-}{
- {&net.IPAddr{IP: net.ParseIP("ff02::114")}, nil}, // see RFC 4727
-
- {&net.IPAddr{IP: net.ParseIP("ff30::8000:1")}, &net.IPAddr{IP: net.IPv6loopback}}, // see RFC 5771
-}
-
-func TestPacketConnReadWriteMulticastICMP(t *testing.T) {
- switch runtime.GOOS {
- case "nacl", "plan9", "windows":
- t.Skipf("not supported on %s", runtime.GOOS)
- }
- if !supportsIPv6 {
- t.Skip("ipv6 is not supported")
- }
- if !nettest.SupportsIPv6MulticastDeliveryOnLoopback() {
- t.Skipf("multicast delivery doesn't work correctly on %s", runtime.GOOS)
- }
- if m, ok := nettest.SupportsRawIPSocket(); !ok {
- t.Skip(m)
- }
- ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
- if ifi == nil {
- t.Skipf("not available on %s", runtime.GOOS)
- }
-
- for _, tt := range packetConnReadWriteMulticastICMPTests {
- c, err := net.ListenPacket("ip6:ipv6-icmp", "::")
- if err != nil {
- t.Fatal(err)
- }
- defer c.Close()
-
- pshicmp := icmp.IPv6PseudoHeader(c.LocalAddr().(*net.IPAddr).IP, tt.grp.IP)
- p := ipv6.NewPacketConn(c)
- defer p.Close()
- if tt.src == nil {
- if err := p.JoinGroup(ifi, tt.grp); err != nil {
- t.Fatal(err)
- }
- defer p.LeaveGroup(ifi, tt.grp)
- } else {
- if err := p.JoinSourceSpecificGroup(ifi, tt.grp, tt.src); err != nil {
- switch runtime.GOOS {
- case "freebsd", "linux":
- default: // platforms that don't support MLDv2 fail here
- t.Logf("not supported on %s", runtime.GOOS)
- continue
- }
- t.Fatal(err)
- }
- defer p.LeaveSourceSpecificGroup(ifi, tt.grp, tt.src)
- }
- if err := p.SetMulticastInterface(ifi); err != nil {
- t.Fatal(err)
- }
- if _, err := p.MulticastInterface(); err != nil {
- t.Fatal(err)
- }
- if err := p.SetMulticastLoopback(true); err != nil {
- t.Fatal(err)
- }
- if _, err := p.MulticastLoopback(); err != nil {
- t.Fatal(err)
- }
-
- cm := ipv6.ControlMessage{
- TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
- Src: net.IPv6loopback,
- IfIndex: ifi.Index,
- }
- cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
-
- var f ipv6.ICMPFilter
- f.SetAll(true)
- f.Accept(ipv6.ICMPTypeEchoReply)
- if err := p.SetICMPFilter(&f); err != nil {
- t.Fatal(err)
- }
-
- var psh []byte
- for i, toggle := range []bool{true, false, true} {
- if toggle {
- psh = nil
- if err := p.SetChecksum(true, 2); err != nil {
- // Solaris never allows to
- // modify ICMP properties.
- if runtime.GOOS != "solaris" {
- t.Fatal(err)
- }
- }
- } else {
- psh = pshicmp
- // Some platforms never allow to
- // disable the kernel checksum
- // processing.
- p.SetChecksum(false, -1)
- }
- wb, err := (&icmp.Message{
- Type: ipv6.ICMPTypeEchoRequest, Code: 0,
- Body: &icmp.Echo{
- ID: os.Getpid() & 0xffff, Seq: i + 1,
- Data: []byte("HELLO-R-U-THERE"),
- },
- }).Marshal(psh)
- if err != nil {
- t.Fatal(err)
- }
- if err := p.SetControlMessage(cf, toggle); err != nil {
- if nettest.ProtocolNotSupported(err) {
- t.Logf("not supported on %s", runtime.GOOS)
- continue
- }
- t.Fatal(err)
- }
- if err := p.SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
- t.Fatal(err)
- }
- cm.HopLimit = i + 1
- if n, err := p.WriteTo(wb, &cm, tt.grp); err != nil {
- t.Fatal(err)
- } else if n != len(wb) {
- t.Fatalf("got %v; want %v", n, len(wb))
- }
- rb := make([]byte, 128)
- if n, _, _, err := p.ReadFrom(rb); err != nil {
- switch runtime.GOOS {
- case "darwin": // older darwin kernels have some limitation on receiving icmp packet through raw socket
- t.Logf("not supported on %s", runtime.GOOS)
- continue
- }
- t.Fatal(err)
- } else {
- if m, err := icmp.ParseMessage(iana.ProtocolIPv6ICMP, rb[:n]); err != nil {
- t.Fatal(err)
- } else if m.Type != ipv6.ICMPTypeEchoReply || m.Code != 0 {
- t.Fatalf("got type=%v, code=%v; want type=%v, code=%v", m.Type, m.Code, ipv6.ICMPTypeEchoReply, 0)
- }
- }
- }
- }
-}
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