fix do nothing packets chaos

src/client/main.rs

@@ -287,7 +287,7 @@ fn main() -> std::io::Result<()> {
                         socket.clone(),
                         data_lenght,
                     ))
-                    .detach();
+                    .await;
                 }
                 Err(e) => {
                     eprintln!(

src/client/net.rs

@@ -413,7 +413,7 @@ pub fn P2P_hello(
 }
 
 pub async fn handle_incoming_connection(
-    mut buf: [u8; UDP_BUFFER_SIZE],
+    buf: [u8; UDP_BUFFER_SIZE],
     src: SocketAddr,
     network: Arc<RwLock<types::Network>>,
     tun_iface: Arc<tappers::Tun>,
@@ -425,7 +425,7 @@ pub async fn handle_incoming_connection(
     match buf[0] {
         x if x == P2PMethods::PACKET as u8 => {
             #[cfg(debug_assertions)]
-            println!("PACKET from difernt peer receved");
+            println!("PACKET from different peer receved");
 
             if network.read().unwrap().encrypted {
                 match shared::crypto::decrypt(
@@ -511,6 +511,11 @@ pub async fn handle_incoming_connection(
         x if x == P2PMethods::PEER_HELLO as u8 => {
             println!("{} peer hello receved from: {}", "[LOG]".blue(), src);
 
+            if data_lenght - 1 < P2PStandardDataPositions::DATA as usize {
+                eprintln!("{} peer hello packet too small", "[ERROR]".red());
+                return;
+            }
+
             let tmp_data: Vec<u8>;
             {
                 let mut network_write_lock = network.write().unwrap();
@@ -677,7 +682,7 @@ pub async fn handle_incoming_connection(
                 }
             };
             for _ in 0..MAPPING_SHOT_COUNT {
-                match socket.send_to(&[P2PMethods::PEER_QUERY as u8], peer_addr) {
+                match socket.send_to(&[P2PMethods::DO_NOTHING as u8], peer_addr) {
                     Ok(s) => {
                         #[cfg(debug_assertions)]
                         eprintln!("send {} bytes", s);
@@ -686,6 +691,12 @@ pub async fn handle_incoming_connection(
                 }
             }
         }
+        x if x == P2PMethods::DO_NOTHING as u8 => {
+            println!(
+                "{} punching succesful DO_NOTHING receved",
+                "[SUCCESS]".green()
+            );
+        }
         _ => {
             eprintln!(
                 "{} unknown method ID: 0x{:02x}, Droping!",