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158 lines
4.2 KiB
Go
158 lines
4.2 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 packetConnMulticastSocketOptionTests = []struct {
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net, proto, addr string
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grp, src net.Addr
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}{
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{"udp6", "", "[ff02::]:0", &net.UDPAddr{IP: net.ParseIP("ff02::114")}, nil}, // see RFC 4727
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{"ip6", ":ipv6-icmp", "::", &net.IPAddr{IP: net.ParseIP("ff02::115")}, nil}, // see RFC 4727
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{"udp6", "", "[ff30::8000:0]:0", &net.UDPAddr{IP: net.ParseIP("ff30::8000:1")}, &net.UDPAddr{IP: net.IPv6loopback}}, // see RFC 5771
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{"ip6", ":ipv6-icmp", "::", &net.IPAddr{IP: net.ParseIP("ff30::8000:2")}, &net.IPAddr{IP: net.IPv6loopback}}, // see RFC 5771
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}
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func TestPacketConnMulticastSocketOptions(t *testing.T) {
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switch runtime.GOOS {
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case "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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ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
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if ifi == nil {
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t.Skipf("not available on %s", runtime.GOOS)
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}
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m, ok := nettest.SupportsRawIPSocket()
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for _, tt := range packetConnMulticastSocketOptionTests {
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if tt.net == "ip6" && !ok {
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t.Log(m)
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continue
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}
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c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
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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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defer p.Close()
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if tt.src == nil {
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testMulticastSocketOptions(t, p, ifi, tt.grp)
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} else {
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testSourceSpecificMulticastSocketOptions(t, p, ifi, tt.grp, tt.src)
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}
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}
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}
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type testIPv6MulticastConn interface {
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MulticastHopLimit() (int, error)
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SetMulticastHopLimit(ttl int) error
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MulticastLoopback() (bool, error)
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SetMulticastLoopback(bool) error
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JoinGroup(*net.Interface, net.Addr) error
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LeaveGroup(*net.Interface, net.Addr) error
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JoinSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
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LeaveSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
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ExcludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
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IncludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
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}
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func testMulticastSocketOptions(t *testing.T, c testIPv6MulticastConn, ifi *net.Interface, grp net.Addr) {
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const hoplim = 255
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if err := c.SetMulticastHopLimit(hoplim); err != nil {
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t.Error(err)
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return
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}
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if v, err := c.MulticastHopLimit(); err != nil {
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t.Error(err)
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return
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} else if v != hoplim {
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t.Errorf("got %v; want %v", v, hoplim)
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return
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}
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for _, toggle := range []bool{true, false} {
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if err := c.SetMulticastLoopback(toggle); err != nil {
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t.Error(err)
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return
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}
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if v, err := c.MulticastLoopback(); err != nil {
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t.Error(err)
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return
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} else if v != toggle {
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t.Errorf("got %v; want %v", v, toggle)
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return
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}
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}
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if err := c.JoinGroup(ifi, grp); err != nil {
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t.Error(err)
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return
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}
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if err := c.LeaveGroup(ifi, grp); err != nil {
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t.Error(err)
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return
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}
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}
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func testSourceSpecificMulticastSocketOptions(t *testing.T, c testIPv6MulticastConn, ifi *net.Interface, grp, src net.Addr) {
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// MCAST_JOIN_GROUP -> MCAST_BLOCK_SOURCE -> MCAST_UNBLOCK_SOURCE -> MCAST_LEAVE_GROUP
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if err := c.JoinGroup(ifi, grp); err != nil {
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t.Error(err)
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return
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}
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if err := c.ExcludeSourceSpecificGroup(ifi, grp, src); err != nil {
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switch runtime.GOOS {
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case "freebsd", "linux":
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default: // platforms that don't support MLDv2 fail here
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t.Logf("not supported on %s", runtime.GOOS)
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return
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}
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t.Error(err)
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return
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}
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if err := c.IncludeSourceSpecificGroup(ifi, grp, src); err != nil {
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t.Error(err)
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return
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}
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if err := c.LeaveGroup(ifi, grp); err != nil {
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t.Error(err)
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return
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}
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// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_SOURCE_GROUP
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if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
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t.Error(err)
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return
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}
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if err := c.LeaveSourceSpecificGroup(ifi, grp, src); err != nil {
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t.Error(err)
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return
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}
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// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_GROUP
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if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
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t.Error(err)
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return
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}
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if err := c.LeaveGroup(ifi, grp); err != nil {
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t.Error(err)
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return
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}
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}
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