From b0b65cb3fa0144a51ec57056e12099b6de603558 Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Thu, 30 Nov 2017 20:59:12 +0100
Subject: [PATCH] chacha20 confermance test

---
 testing/scenarios/shadowsocks_test.go | 79 +++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)

diff --git a/testing/scenarios/shadowsocks_test.go b/testing/scenarios/shadowsocks_test.go
index 50235837..ae3f611c 100644
--- a/testing/scenarios/shadowsocks_test.go
+++ b/testing/scenarios/shadowsocks_test.go
@@ -773,3 +773,82 @@ func TestShadowsocksChacha20Poly1305UDPConformance(t *testing.T) {
 
 	CloseAllServers(servers)
 }
+
+func TestShadowsocksChacha20Conformance(t *testing.T) {
+	assert := With(t)
+
+	tcpServer := tcp.Server{
+		MsgProcessor: xor,
+	}
+	dest, err := tcpServer.Start()
+	assert(err, IsNil)
+	defer tcpServer.Close()
+
+	account := serial.ToTypedMessage(&shadowsocks.Account{
+		Password:   "ss-password",
+		CipherType: shadowsocks.CipherType_CHACHA20_IETF,
+		Ota:        shadowsocks.Account_Disabled,
+	})
+
+	serverPort := pickPort()
+	serverConfig := &core.Config{
+		App: []*serial.TypedMessage{
+			serial.ToTypedMessage(&log.Config{
+				ErrorLogLevel: log.LogLevel_Debug,
+				ErrorLogType:  log.LogType_Console,
+			}),
+		},
+		Inbound: []*proxyman.InboundHandlerConfig{
+			{
+				ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
+					PortRange: net.SinglePortRange(serverPort),
+					Listen:    net.NewIPOrDomain(net.LocalHostIP),
+				}),
+				ProxySettings: serial.ToTypedMessage(&shadowsocks.ServerConfig{
+					User: &protocol.User{
+						Account: account,
+						Level:   1,
+					},
+				}),
+			},
+		},
+		Outbound: []*proxyman.OutboundHandlerConfig{
+			{
+				ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
+			},
+		},
+	}
+
+	servers, err := InitializeServerConfigs(serverConfig)
+	assert(err, IsNil)
+
+	var wg sync.WaitGroup
+	wg.Add(10)
+	for i := 0; i < 10; i++ {
+		go func() {
+			cipher, err := ss.PickCipher("CHACHA20-IETF", nil, "ss-password")
+			assert(err, IsNil)
+			conn, err := ss.Dial("tcp", fmt.Sprintf(":%d", serverPort), cipher)
+			assert(err, IsNil)
+			_, err = conn.Write([]byte{1, 127, 0, 0, 1})
+			assert(err, IsNil)
+			_, err = conn.Write(serial.Uint16ToBytes(dest.Port.Value(), nil))
+			assert(err, IsNil)
+
+			payload := make([]byte, 10240*1024)
+			rand.Read(payload)
+
+			nBytes, err := conn.Write([]byte(payload))
+			assert(err, IsNil)
+			assert(nBytes, Equals, len(payload))
+
+			response := readFrom(conn, time.Second*30, 10240*1024)
+			assert(response, Equals, xor([]byte(payload)))
+			assert(conn.Close(), IsNil)
+			wg.Done()
+		}()
+	}
+	wg.Wait()
+
+	CloseAllServers(servers)
+}