init

shadow/client.go

@@ -0,0 +1,51 @@
+package shadow
+
+import (
+	"fmt"
+	"io"
+	"net"
+)
+
+type Client struct {
+	ListenAddress  string
+	ServerAddress  string
+	FakeAddressSNI string
+}
+
+func NewClient(listenAddress string, serverAddress string, fakeAddressSNI string) *Client {
+	client := &Client{
+		ListenAddress:  listenAddress,
+		ServerAddress:  serverAddress,
+		FakeAddressSNI: fakeAddressSNI,
+	}
+	return client
+}
+
+func (c *Client) Start() {
+	bridge := NewTLSBridge(c.ServerAddress, c.FakeAddressSNI)
+
+	listen, err := net.Listen("tcp", c.ListenAddress)
+	if err != nil {
+		fmt.Printf("[Client] Start client error: %v\n", err)
+		return
+	}
+	defer listen.Close()
+	fmt.Printf("[Client] Listening at:%v\n", c.ListenAddress)
+	for {
+		conn, err := listen.Accept()
+		if err != nil {
+			fmt.Printf("[Client] accept error: %v\n", err)
+			continue
+		}
+
+		stream := bridge.GetStream()
+		if stream == nil {
+			conn.Close()
+			fmt.Printf("[Client] connect to server error: %v\n", err)
+			continue
+		}
+		fmt.Printf("[Client] New TCP connection: %v <-> %v \n", conn.LocalAddr().String(), conn.RemoteAddr().String())
+		go io.Copy(conn, stream)
+		go io.Copy(stream, conn)
+	}
+}