SagerNet/sing-tun
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Add broadcast filter

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世界 2023-11-06 21:33:35 +08:00
parent 1a00992d06
commit da350ecc72
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GPG key ID: CD109927C34A63C4
4 changed files with 26 additions and 6 deletions
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4
stack_system.go
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@ -31,6 +31,7 @@ type System struct {
inet4Address netip.Addr
inet6ServerAddress netip.Addr
inet6Address netip.Addr
broadcastAddr netip.Addr
udpTimeout int64
tcpListener net.Listener
tcpListener6 net.Listener
@ -60,6 +61,7 @@ func NewSystem(options StackOptions) (Stack, error) {
logger: options.Logger,
inet4Prefixes: options.Inet4Address,
inet6Prefixes: options.Inet6Address,
broadcastAddr: BroadcastAddr(options.Inet4Address),
bindInterface: options.ForwarderBindInterface,
interfaceFinder: options.InterfaceFinder,
}
@ -234,7 +236,7 @@ func (s *System) acceptLoop(listener net.Listener) {
func (s *System) processIPv4(packet clashtcpip.IPv4Packet) error {
destination := packet.DestinationIP()
if destination.IsMulticast() || !destination.IsGlobalUnicast() {
if destination == s.broadcastAddr || !destination.IsGlobalUnicast() {
return common.Error(s.tun.Write(packet))
}
switch packet.Protocol() {