mirror of
https://github.com/genuinetools/reg.git
synced 2024-08-22 14:40:22 -04:00
196 lines
5.1 KiB
Go
196 lines
5.1 KiB
Go
![]() |
// Copyright 2012 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 ipv4_test
|
||
|
|
||
|
import (
|
||
|
"net"
|
||
|
"runtime"
|
||
|
"testing"
|
||
|
|
||
|
"golang.org/x/net/internal/nettest"
|
||
|
"golang.org/x/net/ipv4"
|
||
|
)
|
||
|
|
||
|
var packetConnMulticastSocketOptionTests = []struct {
|
||
|
net, proto, addr string
|
||
|
grp, src net.Addr
|
||
|
}{
|
||
|
{"udp4", "", "224.0.0.0:0", &net.UDPAddr{IP: net.IPv4(224, 0, 0, 249)}, nil}, // see RFC 4727
|
||
|
{"ip4", ":icmp", "0.0.0.0", &net.IPAddr{IP: net.IPv4(224, 0, 0, 250)}, nil}, // see RFC 4727
|
||
|
|
||
|
{"udp4", "", "232.0.0.0:0", &net.UDPAddr{IP: net.IPv4(232, 0, 1, 249)}, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
|
||
|
{"ip4", ":icmp", "0.0.0.0", &net.IPAddr{IP: net.IPv4(232, 0, 1, 250)}, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
|
||
|
}
|
||
|
|
||
|
func TestPacketConnMulticastSocketOptions(t *testing.T) {
|
||
|
switch runtime.GOOS {
|
||
|
case "nacl", "plan9":
|
||
|
t.Skipf("not supported on %s", runtime.GOOS)
|
||
|
}
|
||
|
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
|
||
|
if ifi == nil {
|
||
|
t.Skipf("not available on %s", runtime.GOOS)
|
||
|
}
|
||
|
|
||
|
m, ok := nettest.SupportsRawIPSocket()
|
||
|
for _, tt := range packetConnMulticastSocketOptionTests {
|
||
|
if tt.net == "ip4" && !ok {
|
||
|
t.Log(m)
|
||
|
continue
|
||
|
}
|
||
|
c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
|
||
|
if err != nil {
|
||
|
t.Fatal(err)
|
||
|
}
|
||
|
defer c.Close()
|
||
|
p := ipv4.NewPacketConn(c)
|
||
|
defer p.Close()
|
||
|
|
||
|
if tt.src == nil {
|
||
|
testMulticastSocketOptions(t, p, ifi, tt.grp)
|
||
|
} else {
|
||
|
testSourceSpecificMulticastSocketOptions(t, p, ifi, tt.grp, tt.src)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
var rawConnMulticastSocketOptionTests = []struct {
|
||
|
grp, src net.Addr
|
||
|
}{
|
||
|
{&net.IPAddr{IP: net.IPv4(224, 0, 0, 250)}, nil}, // see RFC 4727
|
||
|
|
||
|
{&net.IPAddr{IP: net.IPv4(232, 0, 1, 250)}, &net.IPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
|
||
|
}
|
||
|
|
||
|
func TestRawConnMulticastSocketOptions(t *testing.T) {
|
||
|
switch runtime.GOOS {
|
||
|
case "nacl", "plan9":
|
||
|
t.Skipf("not supported on %s", runtime.GOOS)
|
||
|
}
|
||
|
if m, ok := nettest.SupportsRawIPSocket(); !ok {
|
||
|
t.Skip(m)
|
||
|
}
|
||
|
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
|
||
|
if ifi == nil {
|
||
|
t.Skipf("not available on %s", runtime.GOOS)
|
||
|
}
|
||
|
|
||
|
for _, tt := range rawConnMulticastSocketOptionTests {
|
||
|
c, err := net.ListenPacket("ip4:icmp", "0.0.0.0")
|
||
|
if err != nil {
|
||
|
t.Fatal(err)
|
||
|
}
|
||
|
defer c.Close()
|
||
|
r, err := ipv4.NewRawConn(c)
|
||
|
if err != nil {
|
||
|
t.Fatal(err)
|
||
|
}
|
||
|
defer r.Close()
|
||
|
|
||
|
if tt.src == nil {
|
||
|
testMulticastSocketOptions(t, r, ifi, tt.grp)
|
||
|
} else {
|
||
|
testSourceSpecificMulticastSocketOptions(t, r, ifi, tt.grp, tt.src)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
type testIPv4MulticastConn interface {
|
||
|
MulticastTTL() (int, error)
|
||
|
SetMulticastTTL(ttl int) error
|
||
|
MulticastLoopback() (bool, error)
|
||
|
SetMulticastLoopback(bool) error
|
||
|
JoinGroup(*net.Interface, net.Addr) error
|
||
|
LeaveGroup(*net.Interface, net.Addr) error
|
||
|
JoinSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
|
||
|
LeaveSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
|
||
|
ExcludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
|
||
|
IncludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
|
||
|
}
|
||
|
|
||
|
func testMulticastSocketOptions(t *testing.T, c testIPv4MulticastConn, ifi *net.Interface, grp net.Addr) {
|
||
|
const ttl = 255
|
||
|
if err := c.SetMulticastTTL(ttl); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if v, err := c.MulticastTTL(); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
} else if v != ttl {
|
||
|
t.Errorf("got %v; want %v", v, ttl)
|
||
|
return
|
||
|
}
|
||
|
|
||
|
for _, toggle := range []bool{true, false} {
|
||
|
if err := c.SetMulticastLoopback(toggle); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if v, err := c.MulticastLoopback(); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
} else if v != toggle {
|
||
|
t.Errorf("got %v; want %v", v, toggle)
|
||
|
return
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if err := c.JoinGroup(ifi, grp); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if err := c.LeaveGroup(ifi, grp); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func testSourceSpecificMulticastSocketOptions(t *testing.T, c testIPv4MulticastConn, ifi *net.Interface, grp, src net.Addr) {
|
||
|
// MCAST_JOIN_GROUP -> MCAST_BLOCK_SOURCE -> MCAST_UNBLOCK_SOURCE -> MCAST_LEAVE_GROUP
|
||
|
if err := c.JoinGroup(ifi, grp); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if err := c.ExcludeSourceSpecificGroup(ifi, grp, src); err != nil {
|
||
|
switch runtime.GOOS {
|
||
|
case "freebsd", "linux":
|
||
|
default: // platforms that don't support IGMPv2/3 fail here
|
||
|
t.Logf("not supported on %s", runtime.GOOS)
|
||
|
return
|
||
|
}
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if err := c.IncludeSourceSpecificGroup(ifi, grp, src); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if err := c.LeaveGroup(ifi, grp); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
|
||
|
// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_SOURCE_GROUP
|
||
|
if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if err := c.LeaveSourceSpecificGroup(ifi, grp, src); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
|
||
|
// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_GROUP
|
||
|
if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
if err := c.LeaveGroup(ifi, grp); err != nil {
|
||
|
t.Error(err)
|
||
|
return
|
||
|
}
|
||
|
}
|