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Diffstat (limited to 'vendor/golang.org/x/net/ipv6/multicast_test.go')
-rw-r--r--vendor/golang.org/x/net/ipv6/multicast_test.go264
1 files changed, 264 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv6/multicast_test.go b/vendor/golang.org/x/net/ipv6/multicast_test.go
new file mode 100644
index 0000000..50442c3
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv6/multicast_test.go
@@ -0,0 +1,264 @@
+// 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 "js", "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 "js", "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)
+ }
+ }
+ }
+ }
+}