Method TouchBrook

plugins/block/block.go:137–182

()

}

func (bk *Block) TouchBrook() {
	f := brook.Resolve
	brook.Resolve = func(network string, addr string) (net.Addr, error) {
		var ds map[string]byte
		var c4 []*net.IPNet
		var c6 []*net.IPNet
		if bk.Lock != nil {
			bk.Lock.RLock()
		}
		ds = bk.Domain
		c4 = bk.CIDR4
		c6 = bk.CIDR6
		if bk.Lock != nil {
			bk.Lock.RUnlock()
		}
		h, _, err := net.SplitHostPort(addr)
		if err != nil {
			return nil, err
		}
		var a net.Addr
		ip := net.ParseIP(h)
		if ip == nil {
			if brook.ListHasDomain(ds, strings.ToLower(h), bk.Cache) {
				return nil, errors.New("block " + addr)
			}
			a, err = f(network, addr)
			if err != nil {
				return nil, err
			}
			v, ok := a.(*net.TCPAddr)
			if ok {
				ip = v.IP
			}
			if !ok {
				ip = a.(*net.UDPAddr).IP
			}
		}
		if brook.ListHasIP(c4, c6, ip, bk.Cache, bk.GeoIP) {
			return nil, errors.New("block " + addr)
		}
		if a != nil {
			return a, nil
		}
		return f(network, addr)
	}
}