From 4a3d53c7ee6826c3ad29ebbe3e26530cabb898c4 Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Tue, 23 Aug 2022 20:12:28 +0800
Subject: [PATCH 1/2] chore: log error

---
 component/sniffer/dispatcher.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/component/sniffer/dispatcher.go b/component/sniffer/dispatcher.go
index cca8f719..82a400e6 100644
--- a/component/sniffer/dispatcher.go
+++ b/component/sniffer/dispatcher.go
@@ -76,9 +76,13 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 }
 
 func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string) {
+	dstIP := ""
+	if metadata.DstIP.IsValid() {
+		dstIP = metadata.DstIP.String()
+	}
 	log.Debugln("[Sniffer] Sniff TCP [%s:%s]-->[%s:%s] success, replace domain [%s]-->[%s]",
 		metadata.SrcIP, metadata.SrcPort,
-		metadata.DstIP, metadata.DstPort,
+		dstIP, metadata.DstPort,
 		metadata.Host, host)
 
 	metadata.AddrType = C.AtypDomainName

From dd2b4f9476b952cb43dcba5f16f11fb7e48372ba Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Sun, 2 Oct 2022 20:08:41 +0800
Subject: [PATCH 2/2] chore: pure udp metadata

---
 tunnel/tunnel.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tunnel/tunnel.go b/tunnel/tunnel.go
index b83da180..aec6da01 100644
--- a/tunnel/tunnel.go
+++ b/tunnel/tunnel.go
@@ -269,7 +269,7 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
 
 		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultUDPTimeout)
 		defer cancel()
-		rawPc, err := proxy.ListenPacketContext(ctx, metadata)
+		rawPc, err := proxy.ListenPacketContext(ctx, metadata.Pure())
 		if err != nil {
 			if rule == nil {
 				log.Warnln("[UDP] dial %s to %s error: %s", proxy.Name(), metadata.RemoteAddress(), err.Error())