debug: Added print statements from debugging

Author: ByteMaster2003

server/src/handlers/client.rs

@@ -21,7 +21,10 @@ pub async fn handle_client(
 
     let (name, session_key, public_key) = match perform_handshake(rd.clone(), wt.clone()).await {
         Ok(data) => data,
-        Err(_) => return,
+        Err(e) => {
+            eprintln!("❗️ Handshake failed: {:?}", e);
+            return;
+        }
     };
 
     let client_id = public_key_to_user_id(&public_key);

server/src/net.rs

@@ -21,6 +21,7 @@ pub async fn perform_handshake(
     // Receive handshake packet from client with username and public_key
     let packet: HandshakePacket = read_packet(rd.clone()).await?;
     if packet.step != 0 {
+        eprintln!("❗️ Invalid handshake step: expected 0, got {}", packet.step);
         let _ = close_connection(wt.clone(), "Invalid handshake step").await;
         return Err("Invalid handshake step".into());
     }
@@ -52,6 +53,7 @@ pub async fn perform_handshake(
     // Receive signature and verify it
     let packet: HandshakePacket = read_packet(rd.clone()).await?;
     if packet.step != 2 {
+        eprintln!("❗️ Invalid handshake step: expected 2, got {}", packet.step);
         let _ = close_connection(wt.clone(), "Invalid handshake step").await;
         return Err("Invalid handshake step".into());
     }
@@ -61,6 +63,7 @@ pub async fn perform_handshake(
     };
 
     if !verify_nonce_signature(&public_key, &nonce, &signature) {
+        eprintln!("❗️ Invalid signature!");
         let _ = close_connection(wt.clone(), "Invalid signature!").await;
         return Err("Invalid signature!".into());
     }