ipv6 insert null

[Liang2580]

func TestIPV6(t *testing.T) {

	fip, err := os.Open("./ipv6data.txt")
	if err != nil {
		fmt.Println("read file fail", err)
		return
	}
	defer fip.Close()
	buf := bufio.NewReader(fip)
	//一行一个
	//一行行读取
	scanner := bufio.NewScanner(buf)

	// Read each line until the end of the file
	count := 0
	for scanner.Scan() {
		line := scanner.Text()
		// Process the line as needed (e.g., print it)
		//去掉收尾空格
		line = strings.TrimSpace(line)

		count += 1
		if count == 1000 {
			break
		}

		// | 分割
		s := strings.Split(line, "|")
		//Insert(s, s[0], writer)
		ip1 := net.ParseIP(s[0])
		ip2 := net.ParseIP(s[1])

		startNetIP, ok := netipx.FromStdIP(ip1)
		if !ok {
			fmt.Println("start IP is invalid")
		}
		endNetIP, ok := netipx.FromStdIP(ip2)
		if !ok {
			fmt.Println("end IP is invalid")
		}

		r := netipx.IPRangeFrom(startNetIP, endNetIP)
		if !r.IsValid() {
			continue
		}
		//inputGeo = flag.String("i", "./GeoLite2-City.testmmdb", "Input GeoLite2-City.mmdb file path.")
		writer, _ := mmdbwriter.Load("./GeoLite2-City.testmmdb", mmdbwriter.Options{
			IncludeReservedNetworks: true,
			Description:             map[string]string{"en": fmt.Sprintf("Compiled with mmdb-editor (%v) https://github.com/iglov/mmdb-editor", Version)},
		})

		data := mmdbtype.Map{
			"country": mmdbtype.Map{
				"country":       mmdbtype.String("11"),
				"province":      mmdbtype.String("11"),
				"city":          mmdbtype.String("11"),
				"en_short_code": mmdbtype.String("11"),
			},
		}

		_, network, err := net.ParseCIDR(s[0] + "/64")
		if err != nil {
			log.Fatal(err)
		}

		err = writer.Insert(network, data)
		if err != nil {
			log.Fatal(err)
		}
		//err := writer.InsertRange(ip1, ip2, data)
		//if err != nil {
		//	fmt.Println("error1", err)
		//}
		fh, err := os.Create("./GeoLite2-ipv6.mmdb")
		if err != nil {
			fmt.Println("error2", err)
		}

		defer Check(fh.Close)

		_, err = writer.WriteTo(fh)
		if err != nil {
			fmt.Println("error3", err)
		}
	}

}

After importing 10000 rows of data, it was found that the exported database size is 2K

[Liang2580]

is data GeoLite2-ASN-Blocks-IPv6.csv

[Liang2580]

https://github.com/maxmind/mmdbwriter/blob/main/examples/asn-writer/main.go

I saw that the ipv6 format can be inserted in this code.

[oschwald]

I am sorry. I am not sure I understand the question.

[Liang2580]

I have already found the reason for the attack. It's because I didn't create an ipv6 database file. The database file I used before was IPV4

[Liang2580]

load ./GeoLite2-City.testmmdb is IPV4 files