package socks import ( "bytes" "fmt" "io/ioutil" "net" "testing" "golang.org/x/net/proxy" "github.com/v2ray/v2ray-core/app/point" v2nettesting "github.com/v2ray/v2ray-core/common/net/testing" "github.com/v2ray/v2ray-core/proxy/common/connhandler" "github.com/v2ray/v2ray-core/proxy/socks/config/json" proxymocks "github.com/v2ray/v2ray-core/proxy/testing/mocks" "github.com/v2ray/v2ray-core/testing/mocks" "github.com/v2ray/v2ray-core/testing/unit" ) func TestSocksTcpConnect(t *testing.T) { assert := unit.Assert(t) port := v2nettesting.PickPort() connInput := []byte("The data to be returned to socks server.") connOutput := bytes.NewBuffer(make([]byte, 0, 1024)) och := &proxymocks.OutboundConnectionHandler{ ConnOutput: connOutput, ConnInput: bytes.NewReader(connInput), } connhandler.RegisterOutboundConnectionHandlerFactory("mock_och", och) config := mocks.Config{ PortValue: port, InboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "socks", SettingsValue: &json.SocksConfig{ AuthMethod: "noauth", }, }, OutboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "mock_och", SettingsValue: nil, }, } point, err := point.NewPoint(&config) assert.Error(err).IsNil() err = point.Start() assert.Error(err).IsNil() socks5Client, err := proxy.SOCKS5("tcp", fmt.Sprintf("127.0.0.1:%d", port), nil, proxy.Direct) assert.Error(err).IsNil() targetServer := "google.com:80" conn, err := socks5Client.Dial("tcp", targetServer) assert.Error(err).IsNil() data2Send := "The data to be sent to remote server." conn.Write([]byte(data2Send)) if tcpConn, ok := conn.(*net.TCPConn); ok { tcpConn.CloseWrite() } dataReturned, err := ioutil.ReadAll(conn) assert.Error(err).IsNil() conn.Close() assert.Bytes([]byte(data2Send)).Equals(connOutput.Bytes()) assert.Bytes(dataReturned).Equals(connInput) assert.String(targetServer).Equals(och.Destination.Address().String()) } func TestSocksTcpConnectWithUserPass(t *testing.T) { assert := unit.Assert(t) port := v2nettesting.PickPort() connInput := []byte("The data to be returned to socks server.") connOutput := bytes.NewBuffer(make([]byte, 0, 1024)) och := &proxymocks.OutboundConnectionHandler{ ConnInput: bytes.NewReader(connInput), ConnOutput: connOutput, } connhandler.RegisterOutboundConnectionHandlerFactory("mock_och", och) config := mocks.Config{ PortValue: port, InboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "socks", SettingsValue: &json.SocksConfig{ AuthMethod: "password", Accounts: []json.SocksAccount{ json.SocksAccount{ Username: "userx", Password: "passy", }, }, }, }, OutboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "mock_och", SettingsValue: nil, }, } point, err := point.NewPoint(&config) assert.Error(err).IsNil() err = point.Start() assert.Error(err).IsNil() socks5Client, err := proxy.SOCKS5("tcp", fmt.Sprintf("127.0.0.1:%d", port), &proxy.Auth{"userx", "passy"}, proxy.Direct) assert.Error(err).IsNil() targetServer := "1.2.3.4:443" conn, err := socks5Client.Dial("tcp", targetServer) assert.Error(err).IsNil() data2Send := "The data to be sent to remote server." conn.Write([]byte(data2Send)) if tcpConn, ok := conn.(*net.TCPConn); ok { tcpConn.CloseWrite() } dataReturned, err := ioutil.ReadAll(conn) assert.Error(err).IsNil() conn.Close() assert.Bytes([]byte(data2Send)).Equals(connOutput.Bytes()) assert.Bytes(dataReturned).Equals(connInput) assert.String(targetServer).Equals(och.Destination.Address().String()) } func TestSocksTcpConnectWithWrongUserPass(t *testing.T) { assert := unit.Assert(t) port := v2nettesting.PickPort() connInput := []byte("The data to be returned to socks server.") connOutput := bytes.NewBuffer(make([]byte, 0, 1024)) och := &proxymocks.OutboundConnectionHandler{ ConnInput: bytes.NewReader(connInput), ConnOutput: connOutput, } connhandler.RegisterOutboundConnectionHandlerFactory("mock_och", och) config := mocks.Config{ PortValue: port, InboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "socks", SettingsValue: &json.SocksConfig{ AuthMethod: "password", Accounts: []json.SocksAccount{ json.SocksAccount{ Username: "userx", Password: "passy", }, }, }, }, OutboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "mock_och", SettingsValue: nil, }, } point, err := point.NewPoint(&config) assert.Error(err).IsNil() err = point.Start() assert.Error(err).IsNil() socks5Client, err := proxy.SOCKS5("tcp", fmt.Sprintf("127.0.0.1:%d", port), &proxy.Auth{"userx", "passz"}, proxy.Direct) assert.Error(err).IsNil() targetServer := "1.2.3.4:443" _, err = socks5Client.Dial("tcp", targetServer) assert.Error(err).IsNotNil() } func TestSocksTcpConnectWithWrongAuthMethod(t *testing.T) { assert := unit.Assert(t) port := v2nettesting.PickPort() connInput := []byte("The data to be returned to socks server.") connOutput := bytes.NewBuffer(make([]byte, 0, 1024)) och := &proxymocks.OutboundConnectionHandler{ ConnInput: bytes.NewReader(connInput), ConnOutput: connOutput, } connhandler.RegisterOutboundConnectionHandlerFactory("mock_och", och) config := mocks.Config{ PortValue: port, InboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "socks", SettingsValue: &json.SocksConfig{ AuthMethod: "password", Accounts: []json.SocksAccount{ json.SocksAccount{ Username: "userx", Password: "passy", }, }, }, }, OutboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "mock_och", SettingsValue: nil, }, } point, err := point.NewPoint(&config) assert.Error(err).IsNil() err = point.Start() assert.Error(err).IsNil() socks5Client, err := proxy.SOCKS5("tcp", fmt.Sprintf("127.0.0.1:%d", port), nil, proxy.Direct) assert.Error(err).IsNil() targetServer := "1.2.3.4:443" _, err = socks5Client.Dial("tcp", targetServer) assert.Error(err).IsNotNil() } func TestSocksUdpSend(t *testing.T) { assert := unit.Assert(t) port := v2nettesting.PickPort() connInput := []byte("The data to be returned to socks server.") connOutput := bytes.NewBuffer(make([]byte, 0, 1024)) och := &proxymocks.OutboundConnectionHandler{ ConnInput: bytes.NewReader(connInput), ConnOutput: connOutput, } connhandler.RegisterOutboundConnectionHandlerFactory("mock_och", och) config := mocks.Config{ PortValue: port, InboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "socks", SettingsValue: &json.SocksConfig{ AuthMethod: "noauth", UDPEnabled: true, }, }, OutboundConfigValue: &mocks.ConnectionConfig{ ProtocolValue: "mock_och", SettingsValue: nil, }, } point, err := point.NewPoint(&config) assert.Error(err).IsNil() err = point.Start() assert.Error(err).IsNil() conn, err := net.DialUDP("udp", nil, &net.UDPAddr{ IP: []byte{127, 0, 0, 1}, Port: int(port), Zone: "", }) assert.Error(err).IsNil() data2Send := []byte("Fake DNS request") buffer := make([]byte, 0, 1024) buffer = append(buffer, 0, 0, 0) buffer = append(buffer, 1, 8, 8, 4, 4, 0, 53) buffer = append(buffer, data2Send...) conn.Write(buffer) response := make([]byte, 1024) nBytes, err := conn.Read(response) assert.Error(err).IsNil() assert.Bytes(response[10:nBytes]).Equals(connInput) assert.Bytes(data2Send).Equals(connOutput.Bytes()) assert.String(och.Destination.String()).Equals("udp:8.8.4.4:53") }