fix is_loopback

src/relay_server.rs

@@ -374,8 +374,8 @@ async fn handle_connection(
     key: &str,
     ws: bool,
 ) {
-    let ip = addr.ip().to_string();
-    if !ws && ip == "127.0.0.1" {
+    let ip = hbb_common::try_into_v4(addr).ip();
+    if !ws && ip.is_loopback() {
         let limiter = limiter.clone();
         tokio::spawn(async move {
             let mut stream = stream;
@@ -389,6 +389,7 @@ async fn handle_connection(
         });
         return;
     }
+    let ip = ip.to_string();
     if BLOCKLIST.read().await.get(&ip).is_some() {
         log::info!("{} blocked", ip);
         return;

src/rendezvous_server.rs

@@ -436,7 +436,7 @@ impl RendezvousServer {
                     self.handle_local_addr(la, addr, Some(socket)).await?;
                 }
                 Some(rendezvous_message::Union::ConfigureUpdate(mut cu)) => {
-                    if addr.ip().is_loopback() && cu.serial > self.inner.serial {
+                    if try_into_v4(addr).ip().is_loopback() && cu.serial > self.inner.serial {
                         let mut inner: Inner = (*self.inner).clone();
                         inner.serial = cu.serial;
                         self.inner = Arc::new(inner);
@@ -1203,7 +1203,7 @@ impl RendezvousServer {
                 }
 
                 SocketAddr::V6(v6_socket_addr) => {
-                    if let Some(v4_addr) = v6_socket_addr.ip().to_ipv4_mapped() {
+                    if let Some(v4_addr) = v6_socket_addr.ip().to_ipv4() {
                         return network.contains(v4_addr);
                     }
                 }