feat: add outbound interface binding

2026-08-22 07:58:18 +08:00
parent 55d47c5a1c
commit 74c47bce69
29 changed files with 562 additions and 74 deletions
@@ -44,6 +44,10 @@ pub async fn dns_query_one(
    default_interface: &Option<LocalInterface>,
 ) -> anyhow::Result<SocketAddr> {
    let mut vec = dns_query_all(domain, name_servers, default_interface).await?;
+    if default_interface.is_some() {
+        // 出口网卡绑定目前应用于 IPv4 Socket；优先且只使用可绑定的 IPv4 地址。
+        vec.retain(SocketAddr::is_ipv4);
+    }
    vec.shuffle(&mut rand::rng());
    vec.pop().context("DNS query failed")
 }