Beispiel #1
0
func (v *IPv4Matcher) Apply(ctx context.Context) bool {
	ips := make([]net.IP, 0, 4)
	if resolveIPs, ok := proxy.ResolvedIPsFromContext(ctx); ok {
		for _, rip := range resolveIPs {
			if !rip.Family().IsIPv4() {
				continue
			}
			ips = append(ips, rip.IP())
		}
	}

	var dest v2net.Destination
	if v.onSource {
		dest = proxy.SourceFromContext(ctx)
	} else {
		dest = proxy.DestinationFromContext(ctx)
	}

	if dest.IsValid() && dest.Address.Family().IsIPv4() {
		ips = append(ips, dest.Address.IP())
	}

	for _, ip := range ips {
		if v.ipv4net.Contains(ip) {
			return true
		}
	}
	return false
}
Beispiel #2
0
func (w *udpWorker) callback(b *buf.Buffer, source v2net.Destination, originalDest v2net.Destination) {
	conn, existing := w.getConnection(source)
	conn.input <- b.Bytes()

	if !existing {
		go func() {
			ctx := w.ctx
			ctx, cancel := context.WithCancel(ctx)
			conn.cancel = cancel
			if originalDest.IsValid() {
				ctx = proxy.ContextWithOriginalDestination(ctx, originalDest)
			}
			if len(w.tag) > 0 {
				ctx = proxy.ContextWithInboundTag(ctx, w.tag)
			}
			ctx = proxy.ContextWithSource(ctx, source)
			ctx = proxy.ContextWithInboundDestination(ctx, v2net.UDPDestination(w.address, w.port))
			w.proxy.Process(ctx, v2net.Network_UDP, conn)
			w.removeConn(source)
			cancel()
		}()
	}
}