func TestPassiveTCPConnection(t *testing.T) {
assert := assert.On(t)
tcpServer := &tcp.Server{
MsgProcessor: func(data []byte) []byte {
buffer := make([]byte, 0, 2048)
buffer = append(buffer, []byte("Processed: ")...)
buffer = append(buffer, data...)
return buffer
},
SendFirst: []byte("Server sends first."),
}
_, err := tcpServer.Start()
assert.Error(err).IsNil()
defer tcpServer.Close()
assert.Error(InitializeServerSetOnce("test_1")).IsNil()
socksPort := v2net.Port(50002)
conn, err := net.DialTCP("tcp", nil, &net.TCPAddr{
IP: []byte{127, 0, 0, 1},
Port: int(socksPort),
})
assert.Error(err).IsNil()
authRequest := socks5AuthMethodRequest(byte(0))
nBytes, err := conn.Write(authRequest)
assert.Int(nBytes).Equals(len(authRequest))
assert.Error(err).IsNil()
authResponse := make([]byte, 1024)
nBytes, err = conn.Read(authResponse)
assert.Error(err).IsNil()
assert.Bytes(authResponse[:nBytes]).Equals([]byte{socks5Version, 0})
connectRequest := socks5Request(byte(1), v2net.TCPDestination(v2net.IPAddress([]byte{127, 0, 0, 1}), tcpServer.Port))
nBytes, err = conn.Write(connectRequest)
assert.Int(nBytes).Equals(len(connectRequest))
assert.Error(err).IsNil()
connectResponse := make([]byte, 1024)
nBytes, err = conn.Read(connectResponse)
assert.Error(err).IsNil()
assert.Bytes(connectResponse[:nBytes]).Equals([]byte{socks5Version, 0, 0, 1, 0, 0, 0, 0, 6, 181})
actualResponse := make([]byte, 1024)
nResponse, err := conn.Read(actualResponse)
assert.Error(err).IsNil()
assert.String(string(actualResponse[:nResponse])).Equals(string(tcpServer.SendFirst))
conn.Close()
CloseAllServers()
}
func TestAuthenticationReaderWriterPartial(t *testing.T) {
assert := assert.On(t)
key := make([]byte, 16)
rand.Read(key)
block, err := aes.NewCipher(key)
assert.Error(err).IsNil()
aead, err := cipher.NewGCM(block)
assert.Error(err).IsNil()
payload := make([]byte, 8*1024)
rand.Read(payload)
cache := buf.NewLocal(16 * 1024)
iv := make([]byte, 12)
rand.Read(iv)
writer := NewAuthenticationWriter(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache)
nBytes, err := writer.Write(payload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload))
assert.Int(cache.Len()).GreaterThan(0)
_, err = writer.Write([]byte{})
assert.Error(err).IsNil()
reader := NewAuthenticationReader(&AEADAuthenticator{
AEAD: aead,
NonceGenerator: &StaticBytesGenerator{
Content: iv,
},
AdditionalDataGenerator: &NoOpBytesGenerator{},
}, cache, false)
actualPayload := make([]byte, 7*1024)
nBytes, err = reader.Read(actualPayload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(actualPayload))
assert.Bytes(actualPayload[:nBytes]).Equals(payload[:nBytes])
nBytes, err = reader.Read(actualPayload)
assert.Error(err).IsNil()
assert.Int(nBytes).Equals(len(payload) - len(actualPayload))
assert.Bytes(actualPayload[:nBytes]).Equals(payload[7*1024:])
_, err = reader.Read(actualPayload)
assert.Error(err).Equals(io.EOF)
}
func TestAuthenticate(t *testing.T) {
assert := assert.On(t)
buffer := alloc.NewBuffer().Clear()
buffer.AppendBytes(1, 2, 3, 4)
Authenticate(buffer)
assert.Bytes(buffer.Value).Equals([]byte{0, 8, 87, 52, 168, 125, 1, 2, 3, 4})
b2, err := NewAuthChunkReader(buffer).Read()
assert.Error(err).IsNil()
assert.Bytes(b2.Value).Equals([]byte{1, 2, 3, 4})
}
func TestNormalChunkReading(t *testing.T) {
assert := assert.On(t)
buffer := alloc.NewBuffer().Clear().AppendBytes(
0, 8, 39, 228, 69, 96, 133, 39, 254, 26, 201, 70, 11, 12, 13, 14, 15, 16, 17, 18)
reader := NewChunkReader(buffer, NewAuthenticator(ChunkKeyGenerator(
[]byte{21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36})))
payload, err := reader.Read()
assert.Error(err).IsNil()
assert.Bytes(payload.Value).Equals([]byte{11, 12, 13, 14, 15, 16, 17, 18})
payload.PrependBytes(3, 4)
assert.Bytes(payload.Value).Equals([]byte{3, 4, 11, 12, 13, 14, 15, 16, 17, 18})
}
func TestBufferPrepend(t *testing.T) {
assert := assert.On(t)
buffer := NewBuffer().Clear()
defer buffer.Release()
buffer.Append([]byte{'a', 'b', 'c'})
buffer.Prepend([]byte{'x', 'y', 'z'})
assert.Int(buffer.Len()).Equals(6)
assert.Bytes(buffer.Value).Equals([]byte("xyzabc"))
buffer.Prepend([]byte{'u', 'v', 'w'})
assert.Bytes(buffer.Value).Equals([]byte("uvwxyzabc"))
}
func TestTCPRequest(t *testing.T) {
assert := assert.On(t)
request := &protocol.RequestHeader{
Version: Version,
Command: protocol.RequestCommandTCP,
Address: v2net.LocalHostIP,
Option: RequestOptionOneTimeAuth,
Port: 1234,
User: &protocol.User{
Email: "*****@*****.**",
Account: loader.NewTypedSettings(&Account{
Password: "******",
CipherType: CipherType_CHACHA20,
}),
},
}
data := alloc.NewLocalBuffer(256).Clear().AppendString("test string")
cache := alloc.NewBuffer().Clear()
writer, err := WriteTCPRequest(request, cache)
assert.Error(err).IsNil()
writer.Write(data)
decodedRequest, reader, err := ReadTCPSession(request.User, cache)
assert.Error(err).IsNil()
assert.Address(decodedRequest.Address).Equals(request.Address)
assert.Port(decodedRequest.Port).Equals(request.Port)
decodedData, err := reader.Read()
assert.Error(err).IsNil()
assert.Bytes(decodedData.Value).Equals([]byte("test string"))
}
func TestUDPEncoding(t *testing.T) {
assert := assert.On(t)
request := &protocol.RequestHeader{
Version: Version,
Command: protocol.RequestCommandUDP,
Address: v2net.LocalHostIP,
Port: 1234,
User: &protocol.User{
Email: "*****@*****.**",
Account: loader.NewTypedSettings(&Account{
Password: "******",
CipherType: CipherType_AES_128_CFB,
Ota: Account_Disabled,
}),
},
}
data := alloc.NewLocalBuffer(256).Clear().AppendString("test string")
encodedData, err := EncodeUDPPacket(request, data)
assert.Error(err).IsNil()
decodedRequest, decodedData, err := DecodeUDPPacket(request.User, encodedData)
assert.Error(err).IsNil()
assert.Bytes(decodedData.Value).Equals(data.Value)
assert.Address(decodedRequest.Address).Equals(request.Address)
assert.Port(decodedRequest.Port).Equals(request.Port)
}
func TestUDPEncoding(t *testing.T) {
assert := assert.On(t)
request := &protocol.RequestHeader{
Version: Version,
Command: protocol.RequestCommandUDP,
Address: v2net.LocalHostIP,
Port: 1234,
User: &protocol.User{
Email: "*****@*****.**",
Account: serial.ToTypedMessage(&Account{
Password: "******",
CipherType: CipherType_AES_128_CFB,
Ota: Account_Disabled,
}),
},
}
data := buf.NewLocal(256)
data.AppendSupplier(serial.WriteString("test string"))
encodedData, err := EncodeUDPPacket(request, data)
assert.Error(err).IsNil()
decodedRequest, decodedData, err := DecodeUDPPacket(request.User, encodedData)
assert.Error(err).IsNil()
assert.Bytes(decodedData.Bytes()).Equals(data.Bytes())
assert.Address(decodedRequest.Address).Equals(request.Address)
assert.Port(decodedRequest.Port).Equals(request.Port)
}
func TestShadowsocksServerConfigParsing(t *testing.T) {
assert := assert.On(t)
rawJson := `{
"method": "aes-128-cfb",
"password": "******"
}`
rawConfig := new(ShadowsocksServerConfig)
err := json.Unmarshal([]byte(rawJson), rawConfig)
assert.Error(err).IsNil()
ts, err := rawConfig.Build()
assert.Error(err).IsNil()
iConfig, err := ts.GetInstance()
assert.Error(err).IsNil()
config := iConfig.(*shadowsocks.ServerConfig)
rawAccount, err := config.User.GetTypedAccount()
assert.Error(err).IsNil()
account, ok := rawAccount.(*shadowsocks.ShadowsocksAccount)
assert.Bool(ok).IsTrue()
assert.Int(account.Cipher.KeySize()).Equals(16)
assert.Bytes(account.Key).Equals([]byte{160, 224, 26, 2, 22, 110, 9, 80, 65, 52, 80, 20, 38, 243, 224, 241})
}
func TestResponseWrite(t *testing.T) {
assert := assert.On(t)
response := Socks5Response{
socksVersion,
ErrorSuccess,
AddrTypeIPv4,
[4]byte{0x72, 0x72, 0x72, 0x72},
"",
[16]byte{},
v2net.Port(53),
}
buffer := alloc.NewLocalBuffer(2048).Clear()
defer buffer.Release()
response.Write(buffer)
expectedBytes := []byte{
socksVersion,
ErrorSuccess,
byte(0x00),
AddrTypeIPv4,
0x72, 0x72, 0x72, 0x72,
byte(0x00), byte(0x035),
}
assert.Bytes(buffer.Value).Equals(expectedBytes)
}
func Test1ByteDataSegment(t *testing.T) {
assert := assert.On(t)
b := buf.NewLocal(512)
b.AppendBytes('a')
seg := &DataSegment{
Conv: 1,
Timestamp: 3,
Number: 4,
SendingNext: 5,
Data: b,
}
nBytes := seg.ByteSize()
bytes := make([]byte, nBytes)
seg.Bytes()(bytes)
assert.Int(len(bytes)).Equals(nBytes)
iseg, _ := ReadSegment(bytes)
seg2 := iseg.(*DataSegment)
assert.Uint16(seg2.Conv).Equals(seg.Conv)
assert.Uint32(seg2.Timestamp).Equals(seg.Timestamp)
assert.Uint32(seg2.SendingNext).Equals(seg.SendingNext)
assert.Uint32(seg2.Number).Equals(seg.Number)
assert.Bytes(seg2.Data.Bytes()).Equals(seg.Data.Bytes())
}
func TestAuthenticationResponseWrite(t *testing.T) {
assert := assert.On(t)
response := NewAuthenticationResponse(byte(0x05))
buffer := bytes.NewBuffer(make([]byte, 0, 10))
WriteAuthentication(buffer, response)
assert.Bytes(buffer.Bytes()).Equals([]byte{socksVersion, byte(0x05)})
}
func TestIPParsing(t *testing.T) {
assert := assert.On(t)
rawJson := "\"8.8.8.8\""
var address Address
err := json.Unmarshal([]byte(rawJson), &address)
assert.Error(err).IsNil()
assert.Bytes([]byte(address.IP())).Equals([]byte{8, 8, 8, 8})
}
func TestRandom(t *testing.T) {
assert := assert.On(t)
uuid := New()
uuid2 := New()
assert.String(uuid.String()).NotEquals(uuid2.String())
assert.Bytes(uuid.Bytes()).NotEquals(uuid2.Bytes())
}
func TestIPv6Request(t *testing.T) {
assert := assert.On(t)
request, err := ReadRequest(alloc.NewBuffer().Clear().AppendBytes(5, 1, 0, 4, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 0, 8))
assert.Error(err).IsNil()
assert.Byte(request.Command).Equals(1)
assert.Bytes(request.IPv6[:]).Equals([]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6})
assert.Port(request.Port).Equals(8)
}
func TestNewUUID(t *testing.T) {
assert := assert.On(t)
uuid := New()
uuid2, err := ParseString(uuid.String())
assert.Error(err).IsNil()
assert.String(uuid.String()).Equals(uuid2.String())
assert.Bytes(uuid.Bytes()).Equals(uuid2.Bytes())
}
func TestSRTPOpenSeal(t *testing.T) {
assert := assert.On(t)
content := []byte{'a', 'b', 'c', 'd', 'e', 'f', 'g'}
payload := alloc.NewLocalBuffer(2048).Clear().Append(content)
srtp := SRTP{}
srtp.Seal(payload)
assert.Int(payload.Len()).GreaterThan(len(content))
assert.Bool(srtp.Open(payload)).IsTrue()
assert.Bytes(content).Equals(payload.Bytes())
}
func TestNormalChunkWriting(t *testing.T) {
assert := assert.On(t)
buffer := alloc.NewLocalBuffer(512).Clear()
writer := NewChunkWriter(buffer, NewAuthenticator(ChunkKeyGenerator(
[]byte{21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36})))
err := writer.Write(alloc.NewLocalBuffer(256).Clear().Append([]byte{11, 12, 13, 14, 15, 16, 17, 18}))
assert.Error(err).IsNil()
assert.Bytes(buffer.Value).Equals([]byte{0, 8, 39, 228, 69, 96, 133, 39, 254, 26, 201, 70, 11, 12, 13, 14, 15, 16, 17, 18})
}
func TestSocks4AuthenticationResponseToBytes(t *testing.T) {
assert := assert.On(t)
response := NewSocks4AuthenticationResponse(byte(0x10), 443, []byte{1, 2, 3, 4})
buffer := buf.NewLocal(2048)
defer buffer.Release()
response.Write(buffer)
assert.Bytes(buffer.Bytes()).Equals([]byte{0x00, 0x10, 0x01, 0xBB, 0x01, 0x02, 0x03, 0x04})
}
func TestSetDomain(t *testing.T) {
assert := assert.On(t)
response := NewSocks5Response()
response.SetDomain("v2ray.com")
buffer := alloc.NewLocalBuffer(2048).Clear()
defer buffer.Release()
response.Write(buffer)
assert.Bytes(buffer.Value).Equals([]byte{
socksVersion, 0, 0, AddrTypeDomain, 9, 118, 50, 114, 97, 121, 46, 99, 111, 109, 0, 0})
}
func TestSetIPv6(t *testing.T) {
assert := assert.On(t)
response := NewSocks5Response()
response.SetIPv6([]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15})
buffer := alloc.NewLocalBuffer(2048).Clear()
defer buffer.Release()
response.Write(buffer)
assert.Bytes(buffer.Value).Equals([]byte{
socksVersion, 0, 0, AddrTypeIPv6, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 0})
}
func TestIPv4Address(t *testing.T) {
assert := assert.On(t)
ip := []byte{byte(1), byte(2), byte(3), byte(4)}
addr := v2net.IPAddress(ip)
assert.Address(addr).IsIPv4()
assert.Address(addr).IsNotIPv6()
assert.Address(addr).IsNotDomain()
assert.Bytes(addr.IP()).Equals(ip)
assert.Address(addr).EqualsString("1.2.3.4")
}
func TestSimpleAuthenticator2(t *testing.T) {
assert := assert.On(t)
buffer := alloc.NewLocalBuffer(512).Clear()
buffer.AppendBytes('1', '2')
auth := NewSimpleAuthenticator()
auth.Seal(buffer)
assert.Bool(auth.Open(buffer)).IsTrue()
assert.Bytes(buffer.Value).Equals([]byte{'1', '2'})
}
func TestProxyDial(t *testing.T) {
assert := assert.On(t)
space := app.NewSpace()
outboundManager := outbound.New()
outboundManager.SetHandler("tag", freedom.NewFreedomConnection(&freedom.Config{}, space, &proxy.OutboundHandlerMeta{
Tag: "tag",
StreamSettings: &internet.StreamConfig{
Network: v2net.Network_RawTCP,
},
}))
space.BindApp(proxyman.APP_ID_OUTBOUND_MANAGER, outboundManager)
proxy := NewOutboundProxy(space)
space.BindApp(APP_ID, proxy)
assert.Error(space.Initialize()).IsNil()
xor := func(b []byte) []byte {
for idx, x := range b {
b[idx] = x ^ 'c'
}
return b
}
tcpServer := &tcp.Server{
MsgProcessor: xor,
}
dest, err := tcpServer.Start()
assert.Error(err).IsNil()
conn, err := proxy.Dial(v2net.LocalHostIP, dest, internet.DialerOptions{
Stream: &internet.StreamConfig{
Network: v2net.Network_RawTCP,
},
Proxy: &internet.ProxyConfig{
Tag: "tag",
},
})
assert.Error(err).IsNil()
_, err = conn.Write([]byte{'a', 'b', 'c', 'd'})
assert.Error(err).IsNil()
b := make([]byte, 10)
nBytes, err := conn.Read(b)
assert.Error(err).IsNil()
assert.Bytes(xor(b[:nBytes])).Equals([]byte{'a', 'b', 'c', 'd'})
conn.Close()
tcpServer.Close()
}
func TestReaderWriter(t *testing.T) {
assert := assert.On(t)
cache := alloc.NewBuffer()
writer := NewHeaderWriter(alloc.NewLocalBuffer(256).Clear().AppendString("abcd" + ENDING))
writer.Write(cache)
cache.Write([]byte{'e', 'f', 'g'})
reader := &HeaderReader{}
buffer, err := reader.Read(cache)
assert.Error(err).IsNil()
assert.Bytes(buffer.Value).Equals([]byte{'e', 'f', 'g'})
}
func TestAdaptiveWriter(t *testing.T) {
assert := assert.On(t)
lb := alloc.NewLargeBuffer()
rand.Read(lb.Value)
writeBuffer := make([]byte, 0, 1024*1024)
writer := NewAdaptiveWriter(NewBufferedWriter(bytes.NewBuffer(writeBuffer)))
err := writer.Write(lb)
assert.Error(err).IsNil()
assert.Bytes(lb.Bytes()).Equals(writeBuffer)
}
func TestFnvAuth(t *testing.T) {
assert := assert.On(t)
fnvAuth := new(FnvAuthenticator)
expectedText := make([]byte, 256)
rand.Read(expectedText)
buffer := make([]byte, 512)
b := fnvAuth.Seal(buffer[:0], nil, expectedText, nil)
b, err := fnvAuth.Open(buffer[:0], nil, b, nil)
assert.Error(err).IsNil()
assert.Int(len(b)).Equals(256)
assert.Bytes(b).Equals(expectedText)
}
func TestSingleIO(t *testing.T) {
assert := assert.On(t)
content := bytes.NewBuffer(make([]byte, 0, 1024*1024))
writer := NewAuthChunkWriter(v2io.NewAdaptiveWriter(content))
writer.Write(alloc.NewBuffer().Clear().AppendString("abcd"))
writer.Write(alloc.NewBuffer().Clear())
writer.Release()
reader := NewAuthChunkReader(content)
buffer, err := reader.Read()
assert.Error(err).IsNil()
assert.Bytes(buffer.Value).Equals([]byte("abcd"))
}
func TestConfigParsing(t *testing.T) {
assert := assert.On(t)
rawJson := `{
"method": "aes-128-cfb",
"password": "******"
}`
config := new(Config)
err := json.Unmarshal([]byte(rawJson), config)
assert.Error(err).IsNil()
assert.Int(config.Cipher.KeySize()).Equals(16)
assert.Bytes(config.Key).Equals([]byte{160, 224, 26, 2, 22, 110, 9, 80, 65, 52, 80, 20, 38, 243, 224, 241})
}
func TestWriter(t *testing.T) {
assert := assert.On(t)
lb := New()
assert.Error(lb.AppendSupplier(ReadFrom(rand.Reader))).IsNil()
expectedBytes := append([]byte(nil), lb.Bytes()...)
writeBuffer := bytes.NewBuffer(make([]byte, 0, 1024*1024))
writer := NewWriter(bufio.NewWriter(writeBuffer))
err := writer.Write(lb)
assert.Error(err).IsNil()
assert.Bytes(expectedBytes).Equals(writeBuffer.Bytes())
}