add packet addr support in outbound handler

app/proxyman/outbound/handler.go

@@ -8,6 +8,7 @@ import (
 	"github.com/v2fly/v2ray-core/v5/common"
 	"github.com/v2fly/v2ray-core/v5/common/mux"
 	"github.com/v2fly/v2ray-core/v5/common/net"
+	"github.com/v2fly/v2ray-core/v5/common/net/packetaddr"
 	"github.com/v2fly/v2ray-core/v5/common/serial"
 	"github.com/v2fly/v2ray-core/v5/common/session"
 	"github.com/v2fly/v2ray-core/v5/features/outbound"
@@ -208,6 +209,15 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (internet.Conn
 		ctx = session.SetTransportLayerProxyTagToContext(ctx, tag)
 	}
 
+	if isStream, err := packetaddr.GetDestinationSubsetOf(dest); err == nil {
+		packetConn, err := internet.ListenSystemPacket(ctx, nil, h.streamSettings.SocketSettings)
+		if err != nil {
+			return nil, newError("unable to listen socket").Base(err)
+		}
+		conn := packetaddr.ToPacketAddrConnWrapper(packetConn, isStream)
+		return h.getStatCouterConnection(conn), nil
+	}
+
 	conn, err := internet.Dial(ctx, dest, h.streamSettings)
 	return h.getStatCouterConnection(conn), err
 }