예제 #1
0
파일: config.go 프로젝트: v2ray/v2ray-core
func (v *RoutingRule) BuildCondition() (Condition, error) {
	conds := NewConditionChan()

	if len(v.Domain) > 0 {
		anyCond := NewAnyCondition()
		for _, domain := range v.Domain {
			if domain.Type == Domain_Plain {
				anyCond.Add(NewPlainDomainMatcher(domain.Value))
			} else {
				matcher, err := NewRegexpDomainMatcher(domain.Value)
				if err != nil {
					return nil, err
				}
				anyCond.Add(matcher)
			}
		}
		conds.Add(anyCond)
	}

	if len(v.Cidr) > 0 {
		ipv4Net := v2net.NewIPNet()
		ipv6Cond := NewAnyCondition()
		hasIpv6 := false

		for _, ip := range v.Cidr {
			switch len(ip.Ip) {
			case net.IPv4len:
				ipv4Net.AddIP(ip.Ip, byte(ip.Prefix))
			case net.IPv6len:
				hasIpv6 = true
				matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix, false)
				if err != nil {
					return nil, err
				}
				ipv6Cond.Add(matcher)
			default:
				return nil, errors.New("Router: Invalid IP length.")
			}
		}

		if !ipv4Net.IsEmpty() && hasIpv6 {
			cond := NewAnyCondition()
			cond.Add(NewIPv4Matcher(ipv4Net, false))
			cond.Add(ipv6Cond)
			conds.Add(cond)
		} else if !ipv4Net.IsEmpty() {
			conds.Add(NewIPv4Matcher(ipv4Net, false))
		} else if hasIpv6 {
			conds.Add(ipv6Cond)
		}
	}

	if v.PortRange != nil {
		conds.Add(NewPortMatcher(*v.PortRange))
	}

	if v.NetworkList != nil {
		conds.Add(NewNetworkMatcher(v.NetworkList))
	}

	if len(v.SourceCidr) > 0 {
		ipv4Net := v2net.NewIPNet()
		ipv6Cond := NewAnyCondition()
		hasIpv6 := false

		for _, ip := range v.SourceCidr {
			switch len(ip.Ip) {
			case net.IPv4len:
				ipv4Net.AddIP(ip.Ip, byte(ip.Prefix))
			case net.IPv6len:
				hasIpv6 = true
				matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix, true)
				if err != nil {
					return nil, err
				}
				ipv6Cond.Add(matcher)
			default:
				return nil, errors.New("Router: Invalid IP length.")
			}
		}

		if !ipv4Net.IsEmpty() && hasIpv6 {
			cond := NewAnyCondition()
			cond.Add(NewIPv4Matcher(ipv4Net, true))
			cond.Add(ipv6Cond)
			conds.Add(cond)
		} else if !ipv4Net.IsEmpty() {
			conds.Add(NewIPv4Matcher(ipv4Net, true))
		} else if hasIpv6 {
			conds.Add(ipv6Cond)
		}
	}

	if len(v.UserEmail) > 0 {
		conds.Add(NewUserMatcher(v.UserEmail))
	}

	if len(v.InboundTag) > 0 {
		conds.Add(NewInboundTagMatcher(v.InboundTag))
	}

	if conds.Len() == 0 {
		return nil, errors.New("Router: This rule has no effective fields.")
	}

	return conds, nil
}
예제 #2
0
func main() {
	resp, err := http.Get(apnicFile)
	if err != nil {
		panic(err)
	}
	if resp.StatusCode != 200 {
		panic(fmt.Errorf("Unexpected status %d", resp.StatusCode))
	}
	defer resp.Body.Close()
	scanner := bufio.NewScanner(resp.Body)

	ipNet := v2net.NewIPNet()
	for scanner.Scan() {
		line := scanner.Text()
		line = strings.TrimSpace(line)
		parts := strings.Split(line, "|")
		if len(parts) < 5 {
			continue
		}
		if strings.ToLower(parts[1]) != "cn" || strings.ToLower(parts[2]) != "ipv4" {
			continue
		}
		ip := parts[3]
		count, err := strconv.Atoi(parts[4])
		if err != nil {
			continue
		}
		mask := 32 - int(math.Floor(math.Log2(float64(count))+0.5))
		cidr := fmt.Sprintf("%s/%d", ip, mask)
		_, t, err := net.ParseCIDR(cidr)
		if err != nil {
			panic(err)
		}
		ipNet.Add(t)
	}
	dump := ipNet.Serialize()

	file, err := os.OpenFile("chinaip_init.go", os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0644)
	if err != nil {
		log.Fatalf("Failed to generate chinaip_init.go: %v", err)
	}
	defer file.Close()

	fmt.Fprintln(file, "package rules")
	fmt.Fprintln(file, "import (")
	fmt.Fprintln(file, "v2net \"v2ray.com/core/common/net\"")
	fmt.Fprintln(file, ")")

	fmt.Fprintln(file, "var (")
	fmt.Fprintln(file, "chinaIPNet *v2net.IPNet")
	fmt.Fprintln(file, ")")

	fmt.Fprintln(file, "func init() {")

	fmt.Fprintln(file, "chinaIPNet = v2net.NewIPNetInitialValue(map[uint32]byte {")
	for i := 0; i < len(dump); i += 2 {
		fmt.Fprintln(file, dump[i], ": ", dump[i+1], ",")
	}
	fmt.Fprintln(file, "})")
	fmt.Fprintln(file, "}")
}