fix: 修复间接上游识别

This commit is contained in:
spiritlhl 2025-08-01 14:33:40 +00:00
parent 461c28f3d1
commit cfed3329d2
5 changed files with 179 additions and 85 deletions

View File

@ -15,13 +15,10 @@
- [x] 支持对```CTGNET```、```CN2GIA```和```CN2GT```线路的判断
- [x] 支持对```CMIN2```和```CMI```线路的判断
- [x] 支持对整个回程路由进行线路分析一个目标IP可能会分析出多种线路
- [x] 支持对主流接入点的线路检测,方便分析国际互联能力
- [x] 增加对全平台的编译支持,原版[backtrace](https://github.com/zhanghanyun/backtrace)仅支持linux平台的amd64和arm64架构
- [x] 兼容额外的ICMP地址获取若当前目标IP无法查询路由尝试额外的IP地址
## TODO
- [ ] 添加对主流ISP的POP点检测区分国际互联能力
## 使用
下载、安装、更新

View File

@ -10,6 +10,7 @@ import (
"github.com/google/uuid"
"github.com/imroc/req/v3"
"github.com/oneclickvirt/backtrace/model"
)
type ASCard struct {
@ -39,82 +40,32 @@ type PoPResult struct {
Result string
}
var tier1Global = map[string]string{
"174": "Cogent",
"1299": "Arelion",
"3356": "Lumen",
"3257": "GTT",
"7018": "AT&T",
"701": "Verizon",
"2914": "NTT",
"6453": "Tata",
"3320": "DTAG",
"5511": "Orange",
"3491": "PCCW",
"6461": "Zayo",
"6830": "Liberty",
"6762": "Sparkle",
"12956": "Telxius",
}
var tier1Regional = map[string]string{
"4134": "ChinaNet",
"4837": "China Unicom",
"9808": "China Mobile",
"4766": "Korea Telecom",
"2516": "KDDI",
"7713": "Telkomnet",
"9121": "Etisalat",
}
var tier2 = map[string]string{
"6939": "Hurricane Electric",
"20485": "Transtelecom",
"1273": "Vodafone",
"1239": "Sprint",
"6762": "Sparkle",
"6453": "Tata",
}
var contentProviders = map[string]string{
"15169": "Google",
"32934": "Facebook",
"54113": "Fastly",
"20940": "Akamai",
"13335": "Cloudflare",
}
var ixps = map[string]string{
"5539": "IX.br",
"25291": "HKIX",
"1200": "AMS-IX",
"6695": "DE-CIX",
}
func getISPAbbr(asn, name string) string {
if abbr, ok := tier1Global[asn]; ok {
if abbr, ok := model.Tier1Global[asn]; ok {
return abbr
}
if idx := strings.Index(name, " "); idx != -1 {
if idx := strings.Index(name, " "); idx != -1 && idx > 18 {
return name[:idx]
}
return name
}
func getISPType(asn string, tier1 bool) string {
func getISPType(asn string, tier1 bool, direct bool) string {
switch {
case tier1 && tier1Global[asn] != "":
case tier1 && model.Tier1Global[asn] != "":
return "Tier1 Global"
case tier1Regional[asn] != "":
case model.Tier1Regional[asn] != "":
return "Tier1 Regional"
case tier2[asn] != "":
case model.Tier2[asn] != "":
return "Tier2"
case contentProviders[asn] != "":
case model.ContentProviders[asn] != "":
return "CDN Provider"
case ixps[asn] != "":
case model.IXPS[asn] != "":
return "IXP"
default:
case direct:
return "Direct"
default:
return "Indirect"
}
}
@ -236,7 +187,7 @@ func findUpstreams(targetASN string, nodes []ASCard, edges []Arrow) []Upstream {
continue
}
isTier1 := (n.Fill == "white" && n.Stroke == "#005ea5")
upstreamType := getISPType(n.ASN, isTier1)
upstreamType := getISPType(n.ASN, isTier1, true)
upstreams = append(upstreams, Upstream{
ASN: n.ASN,
Name: n.Name,
@ -245,6 +196,55 @@ func findUpstreams(targetASN string, nodes []ASCard, edges []Arrow) []Upstream {
Type: upstreamType,
})
}
if len(upstreams) == 1 {
currentASN := upstreams[0].ASN
for {
nextUpstreams := map[string]bool{}
for _, e := range edges {
if e.From == currentASN {
nextUpstreams[e.To] = true
}
}
if len(nextUpstreams) != 1 {
break
}
var nextASN string
for asn := range nextUpstreams {
nextASN = asn
break
}
found := false
for _, existing := range upstreams {
if existing.ASN == nextASN {
found = true
break
}
}
if found {
break
}
var nextNode *ASCard
for _, n := range nodes {
if n.ASN == nextASN {
nextNode = &n
break
}
}
if nextNode == nil {
break
}
isTier1 := (nextNode.Fill == "white" && nextNode.Stroke == "#005ea5")
upstreamType := getISPType(nextNode.ASN, isTier1, false)
upstreams = append(upstreams, Upstream{
ASN: nextNode.ASN,
Name: nextNode.Name,
Direct: false,
Tier1: isTier1,
Type: upstreamType,
})
currentASN = nextASN
}
}
return upstreams
}
@ -270,33 +270,39 @@ func GetPoPInfo(ip string) (*PoPResult, error) {
return nil, fmt.Errorf("无法识别目标 ASN")
}
upstreams := findUpstreams(targetASN, nodes, edges)
if len(upstreams) > 5 {
upstreams = upstreams[:5]
}
colWidth := 16
colWidth := 18
center := func(s string) string {
runeLen := len([]rune(s))
if runeLen >= colWidth {
return s[:colWidth]
return string([]rune(s)[:colWidth])
}
padding := colWidth - runeLen
left := padding / 2
right := padding - left
return strings.Repeat(" ", left) + s + strings.Repeat(" ", right)
}
var line1, line2, line3 []string
for _, u := range upstreams {
abbr := getISPAbbr(u.ASN, u.Name)
line1 = append(line1, center("AS"+u.ASN))
line2 = append(line2, center(abbr))
line3 = append(line3, center(u.Type))
}
var result strings.Builder
result.WriteString(strings.Join(line1, ""))
result.WriteString("\n")
result.WriteString(strings.Join(line2, ""))
result.WriteString("\n")
result.WriteString(strings.Join(line3, ""))
perLine := 5
for i := 0; i < len(upstreams); i += perLine {
end := i + perLine
if end > len(upstreams) {
end = len(upstreams)
}
batch := upstreams[i:end]
var line1, line2, line3 []string
for _, u := range batch {
abbr := getISPAbbr(u.ASN, u.Name)
line1 = append(line1, center("AS"+u.ASN))
line2 = append(line2, center(abbr))
line3 = append(line3, center(u.Type))
}
result.WriteString(strings.Join(line1, ""))
result.WriteString("\n")
result.WriteString(strings.Join(line2, ""))
result.WriteString("\n")
result.WriteString(strings.Join(line3, ""))
result.WriteString("\n")
}
return &PoPResult{
TargetASN: targetASN,
Upstreams: upstreams,

View File

@ -6,12 +6,14 @@ import (
)
func TestGetPoPInfo(t *testing.T) {
result, err := GetPoPInfo("66.70.153.71")
result, err := GetPoPInfo("206.190.233.1")
if err != nil {
fmt.Println(err.Error())
return
}
fmt.Printf("目标 ASN: %s\n", result.TargetASN)
fmt.Println(len(result.Upstreams))
fmt.Println(result.Upstreams)
fmt.Println("上游信息:")
fmt.Print(result.Result)
}

View File

@ -9,6 +9,7 @@ import (
"runtime"
"time"
"github.com/oneclickvirt/backtrace/bgptools"
backtrace "github.com/oneclickvirt/backtrace/bk"
"github.com/oneclickvirt/backtrace/model"
"github.com/oneclickvirt/backtrace/utils"
@ -45,12 +46,12 @@ func main() {
fmt.Println(model.BackTraceVersion)
return
}
info := IpInfo{}
if showIpInfo {
rsp, err := http.Get("http://ipinfo.io")
if err != nil {
fmt.Errorf("Get ip info err %v \n", err.Error())
} else {
info := IpInfo{}
err = json.NewDecoder(rsp.Body).Decode(&info)
if err != nil {
fmt.Errorf("json decode err %v \n", err.Error())
@ -61,6 +62,15 @@ func main() {
}
}
preCheck := utils.CheckPublicAccess(3 * time.Second)
if preCheck.Connected && info.Ip != "" {
result, err := bgptools.GetPoPInfo(info.Ip)
if err != nil {
fmt.Println(err.Error())
return
}
fmt.Println("上游信息:")
fmt.Print(result.Result)
}
if preCheck.Connected && preCheck.StackType == "DualStack" {
backtrace.BackTrace(ipv6)
} else if preCheck.Connected && preCheck.StackType == "IPv4" {

View File

@ -76,3 +76,82 @@ var (
CachedIcmpDataFetchTime time.Time
ParsedIcmpTargets []IcmpTarget
)
var Tier1Global = map[string]string{
"174": "Cogent",
"1299": "Arelion",
"3356": "Lumen",
"3257": "GTT",
"7018": "AT&T",
"701": "Verizon",
"2914": "NTT",
"6453": "Tata",
"3320": "DTAG",
"5511": "Orange",
"3491": "PCCW",
"6461": "Zayo",
"6830": "Liberty",
"6762": "Sparkle",
"12956": "Telxius",
"702": "Verizon",
}
var Tier1Regional = map[string]string{
"4134": "ChinaNet",
"4837": "China Unicom",
"9808": "China Mobile",
"4766": "Korea Telecom",
"2516": "KDDI",
"7713": "Telkomnet",
"9121": "Etisalat",
"7473": "SingTel",
"4637": "Telstra",
"5400": "British Telecom",
"2497": "IIJ",
"3462": "Chunghwa Telecom",
"3463": "TWNIC",
"12389": "SoftBank",
"3303": "MTS",
"45609": "Reliance Jio",
}
var Tier2 = map[string]string{
"6939": "HurricaneElectric",
"20485": "Transtelecom",
"1273": "Vodafone",
"1239": "Sprint",
"6453": "Tata",
"6762": "Sparkle",
"9002": "RETN",
"7922": "Comcast",
"23754": "Rostelecom",
"3320": "DTAG",
}
var ContentProviders = map[string]string{
"15169": "Google",
"32934": "Facebook",
"54113": "Fastly",
"20940": "Akamai",
"13335": "Cloudflare",
"14618": "Amazon AWS",
"55102": "Netflix CDN",
"4685": "CacheFly",
"16509": "Amazon",
"36040": "Amazon CloudFront",
"36459": "EdgeCast",
"24940": "CDNetworks",
}
var IXPS = map[string]string{
"5539": "IX.br",
"25291": "HKIX",
"1200": "AMS-IX",
"6695": "DE-CIX",
"58558": "LINX",
"395848": "France-IX",
"4713": "JPNAP",
"4635": "SIX",
"2906": "MSK-IX",
"1273": "NIX.CZ",
}