From 78e0dfa18fabe6fa56ac705a71105b02e0e3fcb3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= Date: Mon, 13 Nov 2023 13:33:48 +0800 Subject: [PATCH] Fix broadcast filter not applied to mixed stack --- stack_mixed.go | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/stack_mixed.go b/stack_mixed.go index 6d186e7..522a3bb 100644 --- a/stack_mixed.go +++ b/stack_mixed.go @@ -145,6 +145,10 @@ func (m *Mixed) wintunLoop(winTun WinTun) { } func (m *Mixed) processIPv4(packet clashtcpip.IPv4Packet) error { + destination := packet.DestinationIP() + if destination == m.broadcastAddr || !destination.IsGlobalUnicast() { + return common.Error(m.tun.Write(packet)) + } switch packet.Protocol() { case clashtcpip.TCP: return m.processIPv4TCP(packet, packet.Payload()) @@ -163,6 +167,9 @@ func (m *Mixed) processIPv4(packet clashtcpip.IPv4Packet) error { } func (m *Mixed) processIPv6(packet clashtcpip.IPv6Packet) error { + if !packet.DestinationIP().IsGlobalUnicast() { + return common.Error(m.tun.Write(packet)) + } switch packet.Protocol() { case clashtcpip.TCP: return m.processIPv6TCP(packet, packet.Payload())