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This commit is contained in:
parent
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@ -1,2 +1,5 @@
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# backtrace
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[](https://hits.seeyoufarm.com)
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基于 https://github.com/zhanghanyun/backtrace 的重构和优化版本
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143
backtrace/asn.go
Normal file
143
backtrace/asn.go
Normal file
@ -0,0 +1,143 @@
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package backtrace
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import (
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"fmt"
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"net"
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"strings"
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. "github.com/oneclickvirt/backtrace/defaultset"
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)
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type Result struct {
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i int
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s string
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}
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var (
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ips = []string{
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"219.141.136.12", "202.106.50.1", "221.179.155.161",
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"202.96.209.133", "210.22.97.1", "211.136.112.200",
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"58.60.188.222", "210.21.196.6", "120.196.165.24",
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"61.139.2.69", "119.6.6.6", "211.137.96.205",
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}
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names = []string{
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"北京电信", "北京联通", "北京移动",
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"上海电信", "上海联通", "上海移动",
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"广州电信", "广州联通", "广州移动",
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"成都电信", "成都联通", "成都移动",
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}
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m = map[string]string{
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// [] 前的字符串个数,中文占2个字符串
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"AS4809a": " 电信CN2GIA [优质线路]", // 18
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"AS4809b": " 电信CN2GT [精品线路]", // 18
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"AS4134": " 电信163 [普通线路]", // 18
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"AS9929": " 联通9929 [优质线路]", // 18
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"AS4837": " 联通4837 [普通线路]", // 18
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"AS58807": "移动CMIN2 [精品线路]", // 18
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"AS9808": " 移动CMI [普通线路]", // 18
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"AS58453": "移动CMI [普通线路]", // 18
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}
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)
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func removeDuplicates(elements []string) []string {
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encountered := map[string]bool{} // 用于存储已经遇到的元素
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result := []string{} // 存储去重后的结果
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for v := range elements { // 遍历切片中的元素
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if encountered[elements[v]] == true { // 如果该元素已经遇到过
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// 存在过就不加入了
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} else {
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encountered[elements[v]] = true // 将该元素标记为已经遇到
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result = append(result, elements[v]) // 将该元素加入到结果切片中
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}
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}
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return result // 返回去重后的结果切片
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}
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func trace(ch chan Result, i int, cmin2 []string) {
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hops, err := Trace(net.ParseIP(ips[i]))
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if err != nil {
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s := fmt.Sprintf("%v %-15s %v", names[i], ips[i], err)
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ch <- Result{i, s}
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return
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}
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var asns []string
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for _, h := range hops {
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for _, n := range h.Nodes {
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asn := ipAsn(n.IP.String(), cmin2)
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if asn != "" {
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asns = append(asns, asn)
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}
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}
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}
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// 处理CN2不同路线的区别
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if asns != nil && len(asns) > 0 {
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var tempText string
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asns = removeDuplicates(asns)
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tempText += fmt.Sprintf("%v ", names[i])
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hasAS4134 := false
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hasAS4809 := false
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for _, asn := range asns {
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if asn == "AS4134" {
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hasAS4134 = true
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}
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if asn == "AS4809" {
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hasAS4809 = true
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}
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}
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if hasAS4134 && hasAS4809 {
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// 同时包含 AS4134 和 AS4809 属于 CN2GT
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asns = append(asns, "AS4809b")
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} else if hasAS4809 {
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// 仅包含 AS4809 属于 CN2GIA
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asns = append(asns, "AS4809a")
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}
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tempText += fmt.Sprintf("%v %-15s ", names[i], ips[i])
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for _, asn := range asns {
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asnDescription := m[asn]
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switch asn {
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case "":
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continue
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case "AS9929":
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tempText += DarkGreen(asnDescription) + " "
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case "AS4809a":
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tempText += DarkGreen(asnDescription) + " "
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case "AS4809b":
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tempText += Green(asnDescription) + " "
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case "AS58807":
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tempText += Green(asnDescription) + " "
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default:
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tempText += White(asnDescription) + " "
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}
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}
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ch <- Result{i, tempText}
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} else {
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s := fmt.Sprintf("%v %-15s %v", names[i], ips[i], Red("检测不到ASN"))
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ch <- Result{i, s}
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}
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}
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func ipAsn(ip string, cmin2 []string) string {
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switch {
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case strings.HasPrefix(ip, "59.43"):
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return "AS4809"
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case strings.HasPrefix(ip, "202.97"):
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return "AS4134"
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case strings.HasPrefix(ip, "218.105") || strings.HasPrefix(ip, "210.51"):
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return "AS9929"
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case strings.HasPrefix(ip, "219.158"):
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return "AS4837"
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case strings.HasPrefix(ip, "223.118") || strings.HasPrefix(ip, "223.119") ||
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strings.HasPrefix(ip, "223.120"):
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for _, prefix := range cmin2 {
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if strings.HasPrefix(ip, prefix) {
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return "AS58807"
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}
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}
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return "AS58453"
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case strings.HasPrefix(ip, "103.11.109") || strings.HasPrefix(ip, "45.204.69") ||
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strings.HasPrefix(ip, "223.121"):
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return "AS58453"
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default:
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return ""
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}
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}
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81
backtrace/backtrace.go
Normal file
81
backtrace/backtrace.go
Normal file
@ -0,0 +1,81 @@
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package backtrace
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"time"
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. "github.com/oneclickvirt/backtrace/defaultset"
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)
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type IpInfo struct {
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Ip string `json:"ip"`
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City string `json:"city"`
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Region string `json:"region"`
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Country string `json:"country"`
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Org string `json:"org"`
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}
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func BackTrace() {
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var (
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s [12]string // 对应 ips 目标地址数量
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c = make(chan Result)
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t = time.After(time.Second * 10)
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cmin2 = []string{
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// 以下均为 /24 地址
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"223.118.32",
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"223.119.32", "223.119.34", "223.119.35", "223.119.36", "223.119.37", "223.119.100", "223.119.253",
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"223.120.165"}
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prefixes = []string{
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"223.119.8.0/21",
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"223.120.128.0/17",
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"223.120.134/23",
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"223.120.136/23",
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"223.120.138/23",
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"223.120.154/23",
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"223.120.158/23",
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"223.120.164/22",
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"223.120.168/22",
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"223.120.172/22",
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"223.120.174/23",
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"223.120.184/22",
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"223.120.188/22",
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"223.120.192/23",
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"223.120.200/23",
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"223.120.210/23",
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"223.120.212/23",
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}
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)
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// 生成CMIN2的IPV4前缀地址
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for _, prefix := range prefixes {
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cmin2 = append(cmin2, GeneratePrefixList(prefix)...)
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}
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rsp, err := http.Get("http://ipinfo.io")
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if err != nil {
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log.Fatalln("Get ip info err", err)
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}
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info := IpInfo{}
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err = json.NewDecoder(rsp.Body).Decode(&info)
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if err != nil {
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log.Fatalln("json decode err", err)
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}
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fmt.Println(Green("国家: ") + White(info.Country) + Green(" 城市: ") + White(info.City) +
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Green(" 服务商: ") + Blue(info.Org))
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for i := range ips {
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go trace(c, i, cmin2)
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}
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loop:
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for range s {
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select {
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case o := <-c:
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s[o.i] = o.s
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case <-t:
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break loop
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}
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}
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for _, r := range s {
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fmt.Println(r)
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}
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}
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20
backtrace/backtrace_test.go
Normal file
20
backtrace/backtrace_test.go
Normal file
@ -0,0 +1,20 @@
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package backtrace
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import (
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"testing"
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)
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//func TestGeneratePrefixMap(t *testing.T) {
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// prefix := "223.119.8.0/21"
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// prefixList := GeneratePrefixList(prefix)
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// if prefixList != nil {
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// // 打印生成的IP地址前缀列表
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// for _, ip := range prefixList {
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// fmt.Println(ip)
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// }
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// }
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//}
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func TestBackTrace(t *testing.T) {
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BackTrace()
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}
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38
backtrace/generate.go
Normal file
38
backtrace/generate.go
Normal file
@ -0,0 +1,38 @@
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package backtrace
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import (
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"net"
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)
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// GeneratePrefixList 生成指定前缀的IP地址列表
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func GeneratePrefixList(prefix string) []string {
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// 解析CIDR表示法的IP地址
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_, ipNet, err := net.ParseCIDR(prefix)
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if err != nil {
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return nil
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}
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// 获取IP地址的32位整数表示
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ip := ipNet.IP.To4()
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start := binaryIPToInt(ip)
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maskSize, _ := ipNet.Mask.Size()
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end := start | (1<<(32-maskSize) - 1)
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// 生成IP地址列表
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var prefixList []string
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for i := start; i <= end; i++ {
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if (i-start)%256 == 0 {
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tempText := intToBinaryIP(i).String()
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prefixList = append(prefixList, tempText[:len(tempText)-2])
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}
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}
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return prefixList
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}
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// 将IP地址转换为32位整数
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func binaryIPToInt(ip net.IP) uint32 {
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return (uint32(ip[0]) << 24) | (uint32(ip[1]) << 16) | (uint32(ip[2]) << 8) | uint32(ip[3])
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}
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// 将32位整数转换为IP地址
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func intToBinaryIP(i uint32) net.IP {
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return net.IPv4(byte(i>>24), byte(i>>16), byte(i>>8), byte(i))
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}
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29
backtrace/listen_linux.go
Normal file
29
backtrace/listen_linux.go
Normal file
@ -0,0 +1,29 @@
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//go:build linux
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// +build linux
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package backtrace
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import (
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"net"
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"syscall"
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)
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func (t *Tracer) listen(network string, laddr *net.IPAddr) (*net.IPConn, error) {
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conn, err := net.ListenIP(network, laddr)
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if err != nil {
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return nil, err
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}
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raw, err := conn.SyscallConn()
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if err != nil {
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conn.Close()
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return nil, err
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}
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_ = raw.Control(func(fd uintptr) {
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err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_HDRINCL, 1)
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})
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if err != nil {
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conn.Close()
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return nil, err
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}
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return conn, nil
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}
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35
backtrace/listen_windows.go
Normal file
35
backtrace/listen_windows.go
Normal file
@ -0,0 +1,35 @@
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//go:build windows
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// +build windows
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package backtrace
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import (
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. "github.com/oneclickvirt/backtrace/defaultset"
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"golang.org/x/sys/windows"
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"net"
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)
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func (t *Tracer) listen(network string, laddr *net.IPAddr) (*net.IPConn, error) {
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InitLogger()
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defer Logger.Sync()
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conn, err := net.ListenIP(network, laddr)
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if err != nil {
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Logger.Info(err.Error())
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return nil, err
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}
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raw, err := conn.SyscallConn()
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if err != nil {
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Logger.Info(err.Error())
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conn.Close()
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return nil, err
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}
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_ = raw.Control(func(fd uintptr) {
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err = windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IP, windows.IP_HDRINCL, 1)
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})
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if err != nil {
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Logger.Info(err.Error())
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conn.Close()
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return nil, err
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}
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return conn, nil
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}
|
467
backtrace/trace.go
Normal file
467
backtrace/trace.go
Normal file
@ -0,0 +1,467 @@
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package backtrace
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import (
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"context"
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"errors"
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"golang.org/x/net/icmp"
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"golang.org/x/net/ipv4"
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"golang.org/x/net/ipv6"
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"net"
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"sort"
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"sync"
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"sync/atomic"
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"time"
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)
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// DefaultConfig is the default configuration for Tracer.
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var DefaultConfig = Config{
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Delay: 50 * time.Millisecond,
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Timeout: 500 * time.Millisecond,
|
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MaxHops: 15,
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Count: 1,
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Networks: []string{"ip4:icmp", "ip4:ip"},
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}
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||||
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||||
// DefaultTracer is a tracer with DefaultConfig.
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var DefaultTracer = &Tracer{
|
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Config: DefaultConfig,
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}
|
||||
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||||
// Config is a configuration for Tracer.
|
||||
type Config struct {
|
||||
Delay time.Duration
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||||
Timeout time.Duration
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||||
MaxHops int
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||||
Count int
|
||||
Networks []string
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||||
Addr *net.IPAddr
|
||||
}
|
||||
|
||||
// Tracer is a traceroute tool based on raw IP packets.
|
||||
// It can handle multiple sessions simultaneously.
|
||||
type Tracer struct {
|
||||
Config
|
||||
|
||||
once sync.Once
|
||||
conn *net.IPConn
|
||||
err error
|
||||
|
||||
mu sync.RWMutex
|
||||
sess map[string][]*Session
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||||
seq uint32
|
||||
}
|
||||
|
||||
// Trace starts sending IP packets increasing TTL until MaxHops and calls h for each reply.
|
||||
func (t *Tracer) Trace(ctx context.Context, ip net.IP, h func(reply *Reply)) error {
|
||||
sess, err := t.NewSession(ip)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer sess.Close()
|
||||
|
||||
delay := time.NewTicker(t.Delay)
|
||||
defer delay.Stop()
|
||||
|
||||
max := t.MaxHops
|
||||
for n := 0; n < t.Count; n++ {
|
||||
for ttl := 1; ttl <= t.MaxHops && ttl <= max; ttl++ {
|
||||
err = sess.Ping(ttl)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
select {
|
||||
case <-delay.C:
|
||||
case r := <-sess.Receive():
|
||||
if max > r.Hops && ip.Equal(r.IP) {
|
||||
max = r.Hops
|
||||
}
|
||||
h(r)
|
||||
case <-ctx.Done():
|
||||
return ctx.Err()
|
||||
}
|
||||
}
|
||||
}
|
||||
if sess.isDone(max) {
|
||||
return nil
|
||||
}
|
||||
deadline := time.After(t.Timeout)
|
||||
for {
|
||||
select {
|
||||
case r := <-sess.Receive():
|
||||
if max > r.Hops && ip.Equal(r.IP) {
|
||||
max = r.Hops
|
||||
}
|
||||
h(r)
|
||||
if sess.isDone(max) {
|
||||
return nil
|
||||
}
|
||||
case <-deadline:
|
||||
return nil
|
||||
case <-ctx.Done():
|
||||
return ctx.Err()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// NewSession returns new tracer session.
|
||||
func (t *Tracer) NewSession(ip net.IP) (*Session, error) {
|
||||
t.once.Do(t.init)
|
||||
if t.err != nil {
|
||||
return nil, t.err
|
||||
}
|
||||
return newSession(t, shortIP(ip)), nil
|
||||
}
|
||||
|
||||
func (t *Tracer) init() {
|
||||
for _, network := range t.Networks {
|
||||
t.conn, t.err = t.listen(network, t.Addr)
|
||||
if t.err != nil {
|
||||
continue
|
||||
}
|
||||
go t.serve(t.conn)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
// Close closes listening socket.
|
||||
// Tracer can not be used after Close is called.
|
||||
func (t *Tracer) Close() {
|
||||
t.mu.Lock()
|
||||
defer t.mu.Unlock()
|
||||
if t.conn != nil {
|
||||
t.conn.Close()
|
||||
}
|
||||
}
|
||||
|
||||
func (t *Tracer) serve(conn *net.IPConn) error {
|
||||
defer conn.Close()
|
||||
buf := make([]byte, 1500)
|
||||
for {
|
||||
n, from, err := conn.ReadFromIP(buf)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = t.serveData(from.IP, buf[:n])
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (t *Tracer) serveData(from net.IP, b []byte) error {
|
||||
if from.To4() == nil {
|
||||
// TODO: implement ProtocolIPv6ICMP
|
||||
return errUnsupportedProtocol
|
||||
}
|
||||
now := time.Now()
|
||||
msg, err := icmp.ParseMessage(ProtocolICMP, b)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if msg.Type == ipv4.ICMPTypeEchoReply {
|
||||
echo := msg.Body.(*icmp.Echo)
|
||||
return t.serveReply(from, &packet{from, uint16(echo.ID), 1, now})
|
||||
}
|
||||
b = getReplyData(msg)
|
||||
if len(b) < ipv4.HeaderLen {
|
||||
return errMessageTooShort
|
||||
}
|
||||
switch b[0] >> 4 {
|
||||
case ipv4.Version:
|
||||
ip, err := ipv4.ParseHeader(b)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return t.serveReply(ip.Dst, &packet{from, uint16(ip.ID), ip.TTL, now})
|
||||
case ipv6.Version:
|
||||
ip, err := ipv6.ParseHeader(b)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return t.serveReply(ip.Dst, &packet{from, uint16(ip.FlowLabel), ip.HopLimit, now})
|
||||
default:
|
||||
return errUnsupportedProtocol
|
||||
}
|
||||
}
|
||||
|
||||
func (t *Tracer) sendRequest(dst net.IP, ttl int) (*packet, error) {
|
||||
id := uint16(atomic.AddUint32(&t.seq, 1))
|
||||
b := newPacket(id, dst, ttl)
|
||||
req := &packet{dst, id, ttl, time.Now()}
|
||||
_, err := t.conn.WriteToIP(b, &net.IPAddr{IP: dst})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return req, nil
|
||||
}
|
||||
|
||||
func (t *Tracer) addSession(s *Session) {
|
||||
t.mu.Lock()
|
||||
defer t.mu.Unlock()
|
||||
if t.sess == nil {
|
||||
t.sess = make(map[string][]*Session)
|
||||
}
|
||||
t.sess[string(s.ip)] = append(t.sess[string(s.ip)], s)
|
||||
}
|
||||
|
||||
func (t *Tracer) removeSession(s *Session) {
|
||||
t.mu.Lock()
|
||||
defer t.mu.Unlock()
|
||||
a := t.sess[string(s.ip)]
|
||||
for i, it := range a {
|
||||
if it == s {
|
||||
t.sess[string(s.ip)] = append(a[:i], a[i+1:]...)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (t *Tracer) serveReply(dst net.IP, res *packet) error {
|
||||
t.mu.RLock()
|
||||
defer t.mu.RUnlock()
|
||||
a := t.sess[string(shortIP(dst))]
|
||||
for _, s := range a {
|
||||
s.handle(res)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Session is a tracer session.
|
||||
type Session struct {
|
||||
t *Tracer
|
||||
ip net.IP
|
||||
ch chan *Reply
|
||||
|
||||
mu sync.RWMutex
|
||||
probes []*packet
|
||||
}
|
||||
|
||||
// NewSession returns new session.
|
||||
func NewSession(ip net.IP) (*Session, error) {
|
||||
return DefaultTracer.NewSession(ip)
|
||||
}
|
||||
|
||||
func newSession(t *Tracer, ip net.IP) *Session {
|
||||
s := &Session{
|
||||
t: t,
|
||||
ip: ip,
|
||||
ch: make(chan *Reply, 64),
|
||||
}
|
||||
t.addSession(s)
|
||||
return s
|
||||
}
|
||||
|
||||
// Ping sends single ICMP packet with specified TTL.
|
||||
func (s *Session) Ping(ttl int) error {
|
||||
req, err := s.t.sendRequest(s.ip, ttl+1)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
s.mu.Lock()
|
||||
s.probes = append(s.probes, req)
|
||||
s.mu.Unlock()
|
||||
return nil
|
||||
}
|
||||
|
||||
// Receive returns channel to receive ICMP replies.
|
||||
func (s *Session) Receive() <-chan *Reply {
|
||||
return s.ch
|
||||
}
|
||||
|
||||
// isDone returns true if session does not have unresponsed requests with TTL <= ttl.
|
||||
func (s *Session) isDone(ttl int) bool {
|
||||
s.mu.RLock()
|
||||
defer s.mu.RUnlock()
|
||||
for _, r := range s.probes {
|
||||
if r.TTL <= ttl {
|
||||
return false
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
func (s *Session) handle(res *packet) {
|
||||
now := res.Time
|
||||
n := 0
|
||||
var req *packet
|
||||
s.mu.Lock()
|
||||
for _, r := range s.probes {
|
||||
if now.Sub(r.Time) > s.t.Timeout {
|
||||
continue
|
||||
}
|
||||
if r.ID == res.ID {
|
||||
req = r
|
||||
continue
|
||||
}
|
||||
s.probes[n] = r
|
||||
n++
|
||||
}
|
||||
s.probes = s.probes[:n]
|
||||
s.mu.Unlock()
|
||||
if req == nil {
|
||||
return
|
||||
}
|
||||
hops := req.TTL - res.TTL + 1
|
||||
if hops < 1 {
|
||||
hops = 1
|
||||
}
|
||||
select {
|
||||
case s.ch <- &Reply{
|
||||
IP: res.IP,
|
||||
RTT: res.Time.Sub(req.Time),
|
||||
Hops: hops,
|
||||
}:
|
||||
default:
|
||||
}
|
||||
}
|
||||
|
||||
// Close closes tracer session.
|
||||
func (s *Session) Close() {
|
||||
s.t.removeSession(s)
|
||||
}
|
||||
|
||||
type packet struct {
|
||||
IP net.IP
|
||||
ID uint16
|
||||
TTL int
|
||||
Time time.Time
|
||||
}
|
||||
|
||||
func shortIP(ip net.IP) net.IP {
|
||||
if v := ip.To4(); v != nil {
|
||||
return v
|
||||
}
|
||||
return ip
|
||||
}
|
||||
|
||||
func getReplyData(msg *icmp.Message) []byte {
|
||||
switch b := msg.Body.(type) {
|
||||
case *icmp.TimeExceeded:
|
||||
return b.Data
|
||||
case *icmp.DstUnreach:
|
||||
return b.Data
|
||||
case *icmp.ParamProb:
|
||||
return b.Data
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
var (
|
||||
errMessageTooShort = errors.New("message too short")
|
||||
errUnsupportedProtocol = errors.New("unsupported protocol")
|
||||
errNoReplyData = errors.New("no reply data")
|
||||
)
|
||||
|
||||
func newPacket(id uint16, dst net.IP, ttl int) []byte {
|
||||
// TODO: reuse buffers...
|
||||
msg := icmp.Message{
|
||||
Type: ipv4.ICMPTypeEcho,
|
||||
Body: &icmp.Echo{
|
||||
ID: int(id),
|
||||
Seq: int(id),
|
||||
},
|
||||
}
|
||||
p, _ := msg.Marshal(nil)
|
||||
ip := &ipv4.Header{
|
||||
Version: ipv4.Version,
|
||||
Len: ipv4.HeaderLen,
|
||||
TotalLen: ipv4.HeaderLen + len(p),
|
||||
TOS: 16,
|
||||
ID: int(id),
|
||||
Dst: dst,
|
||||
Protocol: ProtocolICMP,
|
||||
TTL: ttl,
|
||||
}
|
||||
buf, err := ip.Marshal()
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return append(buf, p...)
|
||||
}
|
||||
|
||||
// IANA Assigned Internet Protocol Numbers
|
||||
const (
|
||||
ProtocolICMP = 1
|
||||
ProtocolTCP = 6
|
||||
ProtocolUDP = 17
|
||||
ProtocolIPv6ICMP = 58
|
||||
)
|
||||
|
||||
// Reply is a reply packet.
|
||||
type Reply struct {
|
||||
IP net.IP
|
||||
RTT time.Duration
|
||||
Hops int
|
||||
}
|
||||
|
||||
// Node is a detected network node.
|
||||
type Node struct {
|
||||
IP net.IP
|
||||
RTT []time.Duration
|
||||
}
|
||||
|
||||
// Hop is a set of detected nodes.
|
||||
type Hop struct {
|
||||
Nodes []*Node
|
||||
Distance int
|
||||
}
|
||||
|
||||
// Add adds node from r.
|
||||
func (h *Hop) Add(r *Reply) *Node {
|
||||
var node *Node
|
||||
for _, it := range h.Nodes {
|
||||
if it.IP.Equal(r.IP) {
|
||||
node = it
|
||||
break
|
||||
}
|
||||
}
|
||||
if node == nil {
|
||||
node = &Node{IP: r.IP}
|
||||
h.Nodes = append(h.Nodes, node)
|
||||
}
|
||||
node.RTT = append(node.RTT, r.RTT)
|
||||
return node
|
||||
}
|
||||
|
||||
// Trace is a simple traceroute tool using DefaultTracer.
|
||||
func Trace(ip net.IP) ([]*Hop, error) {
|
||||
hops := make([]*Hop, 0, DefaultTracer.MaxHops)
|
||||
touch := func(dist int) *Hop {
|
||||
for _, h := range hops {
|
||||
if h.Distance == dist {
|
||||
return h
|
||||
}
|
||||
}
|
||||
h := &Hop{Distance: dist}
|
||||
hops = append(hops, h)
|
||||
return h
|
||||
}
|
||||
err := DefaultTracer.Trace(context.Background(), ip, func(r *Reply) {
|
||||
touch(r.Hops).Add(r)
|
||||
})
|
||||
if err != nil && err != context.DeadlineExceeded {
|
||||
return nil, err
|
||||
}
|
||||
sort.Slice(hops, func(i, j int) bool {
|
||||
return hops[i].Distance < hops[j].Distance
|
||||
})
|
||||
last := len(hops) - 1
|
||||
for i := last; i >= 0; i-- {
|
||||
h := hops[i]
|
||||
if len(h.Nodes) == 1 && ip.Equal(h.Nodes[0].IP) {
|
||||
continue
|
||||
}
|
||||
if i == last {
|
||||
break
|
||||
}
|
||||
i++
|
||||
node := hops[i].Nodes[0]
|
||||
i++
|
||||
for _, it := range hops[i:] {
|
||||
node.RTT = append(node.RTT, it.Nodes[0].RTT...)
|
||||
}
|
||||
hops = hops[:i]
|
||||
break
|
||||
}
|
||||
return hops, nil
|
||||
}
|
35
defaultset/defaultset.go
Normal file
35
defaultset/defaultset.go
Normal file
@ -0,0 +1,35 @@
|
||||
package defaultset
|
||||
|
||||
import "fmt"
|
||||
|
||||
func Red(text string) string {
|
||||
return fmt.Sprintf("\033[31m\033[01m%s\033[0m", text)
|
||||
}
|
||||
|
||||
func Green(text string) string {
|
||||
return fmt.Sprintf("\033[32m\033[01m%s\033[0m", text)
|
||||
}
|
||||
|
||||
func DarkGreen(text string) string {
|
||||
return fmt.Sprintf("\033[32m\033[02m%s\033[0m", text)
|
||||
}
|
||||
|
||||
func Yellow(text string) string {
|
||||
return fmt.Sprintf("\033[33m\033[01m%s\033[0m", text)
|
||||
}
|
||||
|
||||
func Blue(text string) string {
|
||||
return fmt.Sprintf("\033[36m\033[01m%s\033[0m", text)
|
||||
}
|
||||
|
||||
func Purple(text string) string {
|
||||
return fmt.Sprintf("\033[35m\033[01m%s\033[0m", text)
|
||||
}
|
||||
|
||||
func Cyan(text string) string {
|
||||
return fmt.Sprintf("\033[36m\033[01m%s\033[0m", text)
|
||||
}
|
||||
|
||||
func White(text string) string {
|
||||
return fmt.Sprintf("\033[37m\033[01m%s\033[0m", text)
|
||||
}
|
40
defaultset/zap.go
Normal file
40
defaultset/zap.go
Normal file
@ -0,0 +1,40 @@
|
||||
package defaultset
|
||||
|
||||
import (
|
||||
"go.uber.org/zap"
|
||||
"go.uber.org/zap/zapcore"
|
||||
)
|
||||
|
||||
var Logger *zap.Logger
|
||||
|
||||
func getZapConfig() zap.Config {
|
||||
cfg := zap.Config{
|
||||
Encoding: "console", // 日志编码格式
|
||||
Level: zap.NewAtomicLevelAt(zap.InfoLevel), // 日志级别
|
||||
OutputPaths: []string{"ecs.log"}, // 输出路径,可以是多个文件
|
||||
ErrorOutputPaths: []string{}, // 错误输出路径,可以是多个文件
|
||||
EncoderConfig: zapcore.EncoderConfig{
|
||||
TimeKey: "timestamp", // 时间字段名称
|
||||
LevelKey: "level", // 日志级别字段名称
|
||||
NameKey: "logger", // 日志记录器名称字段名称
|
||||
CallerKey: "caller", // 调用者信息字段名称
|
||||
MessageKey: "message", // 日志消息字段名称
|
||||
StacktraceKey: "stacktrace", // 堆栈跟踪信息字段名称
|
||||
EncodeLevel: zapcore.LowercaseLevelEncoder, // 小写格式的日志级别编码器
|
||||
EncodeTime: zapcore.ISO8601TimeEncoder, // ISO8601 时间格式编码器
|
||||
EncodeCaller: zapcore.ShortCallerEncoder, // 编码短调用者信息
|
||||
},
|
||||
}
|
||||
return cfg
|
||||
}
|
||||
|
||||
// InitLogger 初始化日志记录器
|
||||
func InitLogger() {
|
||||
// 配置日志记录器
|
||||
cfg := getZapConfig()
|
||||
var err error
|
||||
Logger, err = cfg.Build()
|
||||
if err != nil {
|
||||
panic("failed to initialize logger: " + err.Error())
|
||||
}
|
||||
}
|
14
go.mod
Normal file
14
go.mod
Normal file
@ -0,0 +1,14 @@
|
||||
module github.com/oneclickvirt/backtrace
|
||||
|
||||
go 1.21.5
|
||||
|
||||
require (
|
||||
go.uber.org/zap v1.27.0
|
||||
golang.org/x/net v0.24.0
|
||||
golang.org/x/sys v0.19.0
|
||||
)
|
||||
|
||||
require (
|
||||
github.com/stretchr/testify v1.9.0 // indirect
|
||||
go.uber.org/multierr v1.11.0 // indirect
|
||||
)
|
18
go.sum
Normal file
18
go.sum
Normal file
@ -0,0 +1,18 @@
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
|
||||
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
|
||||
go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
|
||||
go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
|
||||
go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
|
||||
go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
|
||||
go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
|
||||
go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
|
||||
golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
|
||||
golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
|
||||
golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
|
||||
golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
|
||||
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
|
||||
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
16
main.go
Normal file
16
main.go
Normal file
@ -0,0 +1,16 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
"github.com/oneclickvirt/backtrace/backtrace"
|
||||
. "github.com/oneclickvirt/backtrace/defaultset"
|
||||
)
|
||||
|
||||
func main() {
|
||||
go func() {
|
||||
http.Get("https://hits.seeyoufarm.com/api/count/incr/badge.svg?url=https%3A%2F%2Fgithub.com%2Foneclickvirt%2Fbacktrace&count_bg=%2323E01C&title_bg=%23555555&icon=sonarcloud.svg&icon_color=%23E7E7E7&title=hits&edge_flat=false")
|
||||
}()
|
||||
fmt.Println(Green("项目地址:"), Yellow("https://github.com/oneclickvirt/backtrace"))
|
||||
backtrace.BackTrace()
|
||||
}
|
Loading…
Reference in New Issue
Block a user