From 1288c2ed7c635c2ba41d2609ccf5a93073e0031f Mon Sep 17 00:00:00 2001
From: zonyitoo <zonyitoo@gmail.com>
Date: Tue, 22 Dec 2020 23:53:06 +0800
Subject: [PATCH] ignore bind transparent ip error and continue receiving

---
 .../src/local/redir/udprelay/mod.rs                  | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/crates/shadowsocks-service/src/local/redir/udprelay/mod.rs b/crates/shadowsocks-service/src/local/redir/udprelay/mod.rs
index f7da3b30..d7d225a3 100644
--- a/crates/shadowsocks-service/src/local/redir/udprelay/mod.rs
+++ b/crates/shadowsocks-service/src/local/redir/udprelay/mod.rs
@@ -489,7 +489,16 @@ impl UdpAssociationContext {
 
             // Create a socket binds to destination addr
             // This only works for systems that supports binding to non-local addresses
-            let inbound = UdpRedirSocket::bind(self.redir_ty, addr)?;
+            let inbound = match UdpRedirSocket::bind(self.redir_ty, addr) {
+                Ok(s) => s,
+                Err(err) => {
+                    error!(
+                        "failed to bind to dest {} for sending back to {}, error: {}",
+                        addr, self.peer_addr, err
+                    );
+                    continue;
+                }
+            };
 
             // Send back to client
             if let Err(err) = inbound.send_to(data, self.peer_addr).await {
@@ -497,6 +506,7 @@ impl UdpAssociationContext {
                     "udp failed to send back to client {}, from target {}, error: {}",
                     self.peer_addr, addr, err
                 );
+                continue;
             }
 
             trace!("udp relay {} <- {} with {} bytes", self.peer_addr, addr, data.len());