From 2a486c6b9eebf878ee83771fb083751e23f78c1d Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Wed, 8 Feb 2017 00:26:40 +0100
Subject: [PATCH] ipv6 test

---
 common/net/address.go           |   3 +
 testing/scenarios/vmess_test.go | 116 ++++++++++++++++++++++++++++++++
 testing/servers/tcp/tcp.go      |   7 +-
 3 files changed, 125 insertions(+), 1 deletion(-)

diff --git a/common/net/address.go b/common/net/address.go
index 342406b1..e3138410 100644
--- a/common/net/address.go
+++ b/common/net/address.go
@@ -16,6 +16,9 @@ var (
 
 	// LocalHostDomain is a constant value for localhost domain.
 	LocalHostDomain = DomainAddress("localhost")
+
+	// LocalHostIPv6 is a constant value for localhost IP in IPv6.
+	LocalHostIPv6 = IPAddress([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1})
 )
 
 type AddressFamily int
diff --git a/testing/scenarios/vmess_test.go b/testing/scenarios/vmess_test.go
index 433825fb..846d130d 100644
--- a/testing/scenarios/vmess_test.go
+++ b/testing/scenarios/vmess_test.go
@@ -658,3 +658,119 @@ func TestVMessKCP(t *testing.T) {
 
 	CloseAllServers()
 }
+
+func TestVMessIPv6(t *testing.T) {
+	assert := assert.On(t)
+
+	tcpServer := tcp.Server{
+		MsgProcessor: xor,
+		Listen:       v2net.LocalHostIPv6,
+	}
+	dest, err := tcpServer.Start()
+	assert.Error(err).IsNil()
+	defer tcpServer.Close()
+
+	userID := protocol.NewID(uuid.New())
+	serverPort := pickPort()
+	serverConfig := &core.Config{
+		Inbound: []*proxyman.InboundHandlerConfig{
+			{
+				ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
+					PortRange: v2net.SinglePortRange(serverPort),
+					Listen:    v2net.NewIPOrDomain(v2net.LocalHostIPv6),
+				}),
+				ProxySettings: serial.ToTypedMessage(&inbound.Config{
+					User: []*protocol.User{
+						{
+							Account: serial.ToTypedMessage(&vmess.Account{
+								Id:      userID.String(),
+								AlterId: 64,
+							}),
+						},
+					},
+				}),
+			},
+		},
+		Outbound: []*proxyman.OutboundHandlerConfig{
+			{
+				ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
+			},
+		},
+		App: []*serial.TypedMessage{
+			serial.ToTypedMessage(&log.Config{
+				ErrorLogLevel: log.LogLevel_Debug,
+				ErrorLogType:  log.LogType_Console,
+			}),
+		},
+	}
+
+	clientPort := pickPort()
+	clientConfig := &core.Config{
+		Inbound: []*proxyman.InboundHandlerConfig{
+			{
+				ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
+					PortRange: v2net.SinglePortRange(clientPort),
+					Listen:    v2net.NewIPOrDomain(v2net.LocalHostIPv6),
+				}),
+				ProxySettings: serial.ToTypedMessage(&dokodemo.Config{
+					Address: v2net.NewIPOrDomain(dest.Address),
+					Port:    uint32(dest.Port),
+					NetworkList: &v2net.NetworkList{
+						Network: []v2net.Network{v2net.Network_TCP},
+					},
+				}),
+			},
+		},
+		Outbound: []*proxyman.OutboundHandlerConfig{
+			{
+				ProxySettings: serial.ToTypedMessage(&outbound.Config{
+					Receiver: []*protocol.ServerEndpoint{
+						{
+							Address: v2net.NewIPOrDomain(v2net.LocalHostIPv6),
+							Port:    uint32(serverPort),
+							User: []*protocol.User{
+								{
+									Account: serial.ToTypedMessage(&vmess.Account{
+										Id:      userID.String(),
+										AlterId: 64,
+										SecuritySettings: &protocol.SecurityConfig{
+											Type: protocol.SecurityType_AES128_GCM,
+										},
+									}),
+								},
+							},
+						},
+					},
+				}),
+			},
+		},
+		App: []*serial.TypedMessage{
+			serial.ToTypedMessage(&log.Config{
+				ErrorLogLevel: log.LogLevel_Debug,
+				ErrorLogType:  log.LogType_Console,
+			}),
+		},
+	}
+
+	assert.Error(InitializeServerConfig(serverConfig)).IsNil()
+	assert.Error(InitializeServerConfig(clientConfig)).IsNil()
+
+	conn, err := net.DialTCP("tcp", nil, &net.TCPAddr{
+		IP:   v2net.LocalHostIPv6.IP(),
+		Port: int(clientPort),
+	})
+	assert.Error(err).IsNil()
+
+	payload := make([]byte, 1024)
+	rand.Read(payload)
+
+	nBytes, err := conn.Write([]byte(payload))
+	assert.Error(err).IsNil()
+	assert.Int(nBytes).Equals(len(payload))
+
+	response := readFrom(conn, time.Second, 1024)
+	assert.Bytes(response).Equals(xor([]byte(payload)))
+	assert.Error(conn.Close()).IsNil()
+
+	CloseAllServers()
+}
diff --git a/testing/servers/tcp/tcp.go b/testing/servers/tcp/tcp.go
index 2ff8c02a..cf675614 100644
--- a/testing/servers/tcp/tcp.go
+++ b/testing/servers/tcp/tcp.go
@@ -11,13 +11,18 @@ type Server struct {
 	Port         v2net.Port
 	MsgProcessor func(msg []byte) []byte
 	SendFirst    []byte
+	Listen       v2net.Address
 	accepting    bool
 	listener     *net.TCPListener
 }
 
 func (server *Server) Start() (v2net.Destination, error) {
+	listenerAddr := server.Listen
+	if listenerAddr == nil {
+		listenerAddr = v2net.LocalHostIP
+	}
 	listener, err := net.ListenTCP("tcp", &net.TCPAddr{
-		IP:   []byte{127, 0, 0, 1},
+		IP:   listenerAddr.IP(),
 		Port: int(server.Port),
 		Zone: "",
 	})