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25 Commits

Author SHA1 Message Date
tsosunchia
dccc41b995 udp mode增加mutex 以避免固定端口时的端口竞争问题 2025-04-15 15:43:41 +08:00
tsosunchia
9af629b6f9 ipgeo/leo.go 优化 receiveParse 的单例调用(WebSocket 连接的并发控制) 2025-04-15 13:36:42 +08:00
tsosunchia
d6de649e60 handleICMPMessage 采用更健壮的方案处理ICMPv6头部,之前使用了一个固定的偏移量来从 ICMPv6 错误消息中提取 UDP 源端口,现在改为动态计算偏移量 2025-04-15 13:16:15 +08:00
tsosunchia
bcd430c231 IPv6下也支持UDP Mode
Co-authored-by: Claude-3.7-Sonnet <ai@anthropic.com>
Co-authored-by: tsosunchia <59512455+tsosunchia@users.noreply.github.com>

 要提交的变更:
	修改:     cmd/cmd.go
	修改:     fast_trace/fast_trace ipv6.go
	修改:     trace/tcp_ipv6.go
	修改:     trace/trace.go
	重命名:   trace/udp.go -> trace/udp_ipv4.go
	新文件:   trace/udp_ipv6.go

Signed-off-by: tsosunchia <59512455+tsosunchia@users.noreply.github.com>
2025-04-14 23:25:18 +08:00
tsosunchia
314a4b3015 修正udp mode一些情况下的显示错误 2025-04-14 22:46:23 +08:00
tsosunchia
4d8e7e322b 固定UDP模式的源端口,改善在一些负载均衡网络环境下的效果,在使用ENV "NEXTTRACE_RANDOMPORT" 支持继续随机分配源端口。
https://github.com/nxtrace/NTrace-core/issues/296
https://github.com/nxtrace/NTrace-core/pull/297

Co-authored-by: Yunlq <vinculo025@gmail.com>
Co-authored-by: tsosunchia <59512455+tsosunchia@users.noreply.github.com>
2025-04-14 22:04:22 +08:00
tsosunchia
8fb1220f1b 更改 wshandle/client.go 超时/手动终端log显示
Signed-off-by: tsosunchia <59512455+tsosunchia@users.noreply.github.com>
2025-04-13 20:36:10 +08:00
tsosunchia
90b1a3c1ad 固定TCP模式的源端口,改善在一些负载均衡网络环境下的效果,在使用ENV "NEXTTRACE_RANDOMPORT" 支持继续随机分配源端口。
https://github.com/nxtrace/NTrace-core/issues/296
2025-04-13 20:26:54 +08:00
tsosunchia
608a2904d4 若干修改,方便其他程序调用
https://github.com/nxtrace/NTrace-V1/issues/84
 要提交的变更:
	修改:     cmd/cmd.go
	修改:     go.mod
	修改:     go.sum
	修改:     wshandle/client.go
2025-04-13 12:13:08 +08:00
tsosunchia
62ab23bdeb termux安装方法描述增加root-repo安装引导 2025-04-13 12:13:08 +08:00
tsosunchia
c095599400 upgrade go to verison 1.24
# Conflicts:
#	go.mod
2025-04-13 12:12:55 +08:00
dependabot[bot]
76d841f670 chore(deps): bump golang.org/x/sync from 0.12.0 to 0.13.0
Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.12.0 to 0.13.0.
- [Commits](https://github.com/golang/sync/compare/v0.12.0...v0.13.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-version: 0.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2025-04-09 21:38:48 +08:00
dependabot[bot]
9dd36e9625 chore(deps): bump golang.org/x/net from 0.37.0 to 0.38.0
Bumps [golang.org/x/net](https://github.com/golang/net) from 0.37.0 to 0.38.0.
- [Commits](https://github.com/golang/net/compare/v0.37.0...v0.38.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2025-04-09 21:33:24 +08:00
dependabot[bot]
e1f4052518 chore(deps): bump github.com/spf13/viper from 1.19.0 to 1.20.0
Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.19.0 to 1.20.0.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](https://github.com/spf13/viper/compare/v1.19.0...v1.20.0)

---
updated-dependencies:
- dependency-name: github.com/spf13/viper
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2025-03-29 10:32:27 +08:00
dependabot[bot]
b5df3efd1b chore(deps): bump golang.org/x/net from 0.35.0 to 0.37.0
Bumps [golang.org/x/net](https://github.com/golang/net) from 0.35.0 to 0.37.0.
- [Commits](https://github.com/golang/net/compare/v0.35.0...v0.37.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2025-03-29 10:27:37 +08:00
tsosunchia
3f9803680e 更新 README_zh_CN.md 2025-03-10 14:13:52 +08:00
tsosunchia
db2b02d5f8 更新 README.md 2025-03-10 14:13:31 +08:00
dependabot[bot]
ec634fffb3 chore(deps): bump golang.org/x/net from 0.34.0 to 0.35.0
Bumps [golang.org/x/net](https://github.com/golang/net) from 0.34.0 to 0.35.0.
- [Commits](https://github.com/golang/net/compare/v0.34.0...v0.35.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2025-02-19 20:47:09 +08:00
dependabot[bot]
a3404cebac chore(deps): bump golang.org/x/sync from 0.10.0 to 0.11.0
Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.10.0 to 0.11.0.
- [Commits](https://github.com/golang/sync/compare/v0.10.0...v0.11.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2025-02-19 10:53:18 +08:00
tsosunchia
667285a8c3 Merge pull request #291 from nxtrace/main
SYNC
2025-02-03 22:12:45 +08:00
tsosunchia
c52d5a5414 调整x-cmd位置 2025-02-03 22:11:53 +08:00
tsosunchia
6c009602b5 update readme 2025-02-03 22:09:52 +08:00
tsosunchia
a179608da0 Merge pull request #290 from nxtrace/main
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feat: 添加触发 deb 仓库的推送
2025-02-03 19:34:07 +08:00
wcbing
5cd2962a2b feat: 添加触发 deb 仓库的推送
Signed-off-by: tsosunchia <59512455+tsosunchia@users.noreply.github.com>
2025-02-03 19:32:32 +08:00
tsosunchia
f774c0d29f Merge pull request #285 from nxtrace/main
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SYNC
2025-01-12 11:41:06 +08:00
15 changed files with 686 additions and 196 deletions

15
.github/workflows/triggerDebRepo.yml vendored Normal file
View File

@@ -0,0 +1,15 @@
name: Trigger Deb Repo
on:
release:
types: [published]
jobs:
trigger-deb-repo:
runs-on: ubuntu-latest
steps:
- env:
GITHUB_TOKEN: ${{ secrets.GT_Token }} # 操作 deb 仓库的 PAT
run: |
curl -X POST -H "Authorization: Bearer $GITHUB_TOKEN" \
-H "Accept: application/vnd.github+json" \
https://api.github.com/repos/nxtrace/nexttrace-debs/actions/workflows/build.yaml/dispatches \
-d '{"ref": "main", "inputs": {"tag": "${{ github.event.release.tag_name }}"}}'

View File

@@ -57,67 +57,78 @@ Please note, there are exceptions to this synchronization. If a version of NTrac
* Linux
* One-click installation script
```shell
curl nxtrace.org/nt |bash
```
* Install nxtrace from the APT repository
* Supports AMD64/ARM64 architectures
```shell
echo "deb [trusted=yes] https://github.com/nxtrace/nexttrace-debs/releases/latest/download ./" |
sudo tee /etc/apt/sources.list.d/nexttrace.list
sudo apt update
sudo apt install nexttrace
```
* APT repository maintained by wcbing and nxtrace
* Arch Linux AUR installation command
* Directly download bin package (only supports amd64)
```shell
yay -S nexttrace-bin
```
```shell
yay -S nexttrace-bin
```
* Build from source (only supports amd64)
```shell
yay -S nexttrace
```
```shell
yay -S nexttrace
```
* The AUR builds are maintained by ouuan, huyz
* Linuxbrew's installation command
Same as the macOS Homebrew's installation method (homebrew-core version only supports amd64)
* Linuxbrew's installation command
Same as the macOS Homebrew's installation method (homebrew-core version only supports amd64)
* Deepin installation command
```shell
apt install nexttrace
```
* Termux installation command
* [x-cmd](https://www.x-cmd.com/pkg/nexttrace) installation command
```shell
pkg install nexttrace-enhanced
x env use nexttrace
```
* Termux installation command
```shell
pkg install root-repo
pkg install nexttrace
```
* macOS
* macOS Homebrew's installation command
* Homebrew-core version
```shell
brew install nexttrace
```
```shell
brew install nexttrace
```
* This repository's ACTIONS automatically built version (updates faster)
```shell
brew tap nxtrace/nexttrace && brew install nxtrace/nexttrace/nexttrace
```
```shell
brew tap nxtrace/nexttrace && brew install nxtrace/nexttrace/nexttrace
```
* The homebrew-core build is maintained by chenrui333, please note that this version's updates may lag behind the repository Action automatically version
* Windows
* Windows WinGet installation command
* WinGet version
```powershell
winget install nexttrace
```
* WinGet build maintained by Dragon1573
* Windows Scoop installation command
* Scoop-extras version
```powershell
scoop bucket add extras && scoop install extras/nexttrace
```
```powershell
scoop bucket add extras && scoop install extras/nexttrace
```
* Scoop-extra is maintained by soenggam
* X-CMD
* [x-cmd](https://x-cmd.com) is a lightweight cross-platform package manager implemented in posix shell. Quickly download and execute `nexttrace` with a single command: [`x nexttrace`](https://x-cmd.com/pkg/nexttrace)
* You can also install `nexttrace` in the user level without requiring root privileges.
```shell
x env use nexttrace
```
Please note, the repositories for all of the above installation methods are maintained by open source enthusiasts. Availability and timely updates are not guaranteed. If you encounter problems, please contact the repository maintainer to solve them, or use the binary packages provided by the official build of this project.
### Manual Install

View File

@@ -64,69 +64,78 @@ Document Language: [English](README.md) | 简体中文
* Linux
* 一键安装脚本
```shell
curl nxtrace.org/nt | bash
```
* Arch Linux AUR 安装命令
* 直接下载bin包(仅支持amd64)
* 从 nxtrace的APT源安装
* 支持 AMD64/ARM64 架构
```shell
echo "deb [trusted=yes] https://github.com/nxtrace/nexttrace-debs/releases/latest/download ./" |
sudo tee /etc/apt/sources.list.d/nexttrace.list
sudo apt update
sudo apt install nexttrace
```
* APT源由 wcbing, nxtrace 维护
* Arch Linux AUR 安装命令
* 直接下载bin包(仅支持amd64)
```shell
yay -S nexttrace-bin
```
* 从源码构建(仅支持amd64)
```shell
yay -S nexttrace
```
* AUR 的构建分别由 ouuan, huyz 维护
```shell
yay -S nexttrace-bin
```
* 从源码构建(仅支持amd64)
```shell
yay -S nexttrace
```
* AUR 的构建分别由 ouuan, huyz 维护
* Linuxbrew 安装命令
同macOS Homebrew安装方法(homebrew-core版仅支持amd64)
* Deepin 安装命令
```shell
apt install nexttrace
```
* Deepin 安装命令
```shell
apt install nexttrace
```
* [x-cmd](https://cn.x-cmd.com/pkg/nexttrace) 安装命令
```shell
x env use nexttrace
```
* Termux 安装命令
```shell
pkg install nexttrace-enhanced
```
```shell
pkg install root-repo
pkg install nexttrace
```
* macOS
* macOS Homebrew 安装命令
* homebrew-core版
```shell
brew install nexttrace
```
* 本仓库ACTIONS自动构建版(更新更快)
```shell
brew tap nxtrace/nexttrace && brew install nxtrace/nexttrace/nexttrace
```
* homebrew-core 构建由 chenrui333 维护请注意该版本更新可能会落后仓库Action自动构建版本
* homebrew-core版
```shell
brew install nexttrace
```
* 本仓库ACTIONS自动构建版(更新更快)
```shell
brew tap nxtrace/nexttrace && brew install nxtrace/nexttrace/nexttrace
```
* homebrew-core 构建由 chenrui333 维护请注意该版本更新可能会落后仓库Action自动构建版本
* Windows
* Windows WinGet 安装命令
* WinGet 版
```powershell
winget install nexttrace
```
* WinGet 构建由 Dragon1573 维护
* Windows Scoop 安装命令
* scoop-extras版
```powershell
scoop bucket add extras && scoop install extras/nexttrace
```
* scoop-extra 由 soenggam 维护
* X-CMD
* [x-cmd](https://cn.x-cmd.com) 是一个使用 posix shell 实现的轻量级跨平台包管理器。使用单个命令快速下载并执行 `nexttrace` [`x nexttrace`](https://cn.x-cmd.com/pkg/nexttrace)
* 您还可以在用户级安装 `nexttrace`,且不需要 root 权限
```shell
x env use nexttrace
```
* scoop-extras
```powershell
scoop bucket add extras && scoop install extras/nexttrace
```
* scoop-extra 由 soenggam 维护
请注意,以上多种安装方式的仓库均由开源爱好者自行维护,不保证可用性和及时更新,如遇到问题请联系仓库维护者解决,或使用本项目官方编译提供的二进制包。

View File

@@ -210,24 +210,19 @@ func Excute() {
//
//go func() {
// defer wg.Done()
if *udp {
if *ipv6Only {
fmt.Println("[Info] IPv6 UDP Traceroute is not supported right now.")
os.Exit(0)
}
if *ipv6Only {
ip, err = util.DomainLookUp(domain, "6", *dot, *jsonPrint)
} else if *ipv4Only {
ip, err = util.DomainLookUp(domain, "4", *dot, *jsonPrint)
} else {
if *ipv6Only {
ip, err = util.DomainLookUp(domain, "6", *dot, *jsonPrint)
} else if *ipv4Only {
ip, err = util.DomainLookUp(domain, "4", *dot, *jsonPrint)
} else {
ip, err = util.DomainLookUp(domain, "all", *dot, *jsonPrint)
}
ip, err = util.DomainLookUp(domain, "all", *dot, *jsonPrint)
}
if err != nil {
fmt.Println(err)
os.Exit(1)
//fmt.Println(err)
//os.Exit(1)
panic(err)
}
//}()
//

View File

@@ -154,8 +154,7 @@ func FastTestv6(traceMode trace.Method, outEnable bool, paramsFastTrace ParamsFa
case trace.TCPTrace:
ft.TracerouteMethod = trace.TCPTrace
case trace.UDPTrace:
fmt.Println("[Info] IPv6 UDP Traceroute is not supported right now.")
os.Exit(0)
ft.TracerouteMethod = trace.UDPTrace
}
switch c {

29
go.mod
View File

@@ -1,40 +1,35 @@
module github.com/nxtrace/NTrace-core
go 1.23.4
go 1.24.1
require (
github.com/akamensky/argparse v1.4.0
github.com/google/gopacket v1.1.19
github.com/oschwald/maxminddb-golang v1.13.1
github.com/spf13/viper v1.19.0
github.com/spf13/viper v1.20.1
github.com/stretchr/testify v1.10.0
github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635
github.com/tsosunchia/powclient v0.1.5
golang.org/x/net v0.34.0
golang.org/x/sync v0.10.0
golang.org/x/net v0.39.0
golang.org/x/sync v0.13.0
)
require (
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
github.com/fsnotify/fsnotify v1.8.0 // indirect
github.com/hashicorp/hcl v1.0.0 // indirect
github.com/magiconair/properties v1.8.9 // indirect
github.com/fsnotify/fsnotify v1.9.0 // indirect
github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
github.com/mattn/go-colorable v0.1.14 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mitchellh/mapstructure v1.5.0 // indirect
github.com/pelletier/go-toml/v2 v2.2.3 // indirect
github.com/pelletier/go-toml/v2 v2.2.4 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
github.com/sagikazarmark/locafero v0.7.0 // indirect
github.com/sagikazarmark/slog-shim v0.1.0 // indirect
github.com/sagikazarmark/locafero v0.9.0 // indirect
github.com/sourcegraph/conc v0.3.0 // indirect
github.com/spf13/afero v1.12.0 // indirect
github.com/spf13/afero v1.14.0 // indirect
github.com/spf13/cast v1.7.1 // indirect
github.com/spf13/pflag v1.0.5 // indirect
github.com/spf13/pflag v1.0.6 // indirect
github.com/subosito/gotenv v1.6.0 // indirect
go.uber.org/multierr v1.11.0 // indirect
golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8 // indirect
golang.org/x/text v0.21.0 // indirect
gopkg.in/ini.v1 v1.67.0 // indirect
golang.org/x/text v0.24.0 // indirect
)
require (
@@ -45,6 +40,6 @@ require (
github.com/tidwall/gjson v1.18.0
github.com/tidwall/match v1.1.1 // indirect
github.com/tidwall/pretty v1.2.1 // indirect
golang.org/x/sys v0.29.0 // indirect
golang.org/x/sys v0.32.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

54
go.sum
View File

@@ -8,36 +8,32 @@ github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
github.com/go-viper/mapstructure/v2 v2.2.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF8=
github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo=
github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/lionsoul2014/ip2region v2.11.2+incompatible h1:+VRsGcrHz8ewXI/2UzTptJlACsxD/p4xCxuql4u2nKU=
github.com/lionsoul2014/ip2region v2.11.2+incompatible/go.mod h1:+ZBN7PBoh5gG6/y0ZQ85vJDBe21WnfbRrQQwTfliJJI=
github.com/magiconair/properties v1.8.9 h1:nWcCbLq1N2v/cpNsy5WvQ37Fb+YElfq20WJ/a8RkpQM=
github.com/magiconair/properties v1.8.9/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
github.com/oschwald/maxminddb-golang v1.13.1 h1:G3wwjdN9JmIK2o/ermkHM+98oX5fS+k5MbwsmL4MRQE=
github.com/oschwald/maxminddb-golang v1.13.1/go.mod h1:K4pgV9N/GcK694KSTmVSDTODk4IsCNThNdTmnaBZ/F8=
github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -47,20 +43,18 @@ github.com/rodaine/table v1.3.0 h1:4/3S3SVkHnVZX91EHFvAMV7K42AnJ0XuymRR2C5HlGE=
github.com/rodaine/table v1.3.0/go.mod h1:47zRsHar4zw0jgxGxL9YtFfs7EGN6B/TaS+/Dmk4WxU=
github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
github.com/sagikazarmark/locafero v0.7.0 h1:5MqpDsTGNDhY8sGp0Aowyf0qKsPrhewaLSsFaodPcyo=
github.com/sagikazarmark/locafero v0.7.0/go.mod h1:2za3Cg5rMaTMoG/2Ulr9AwtFaIppKXTRYnozin4aB5k=
github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
github.com/sagikazarmark/locafero v0.9.0 h1:GbgQGNtTrEmddYDSAH9QLRyfAHY12md+8YFTqyMTC9k=
github.com/sagikazarmark/locafero v0.9.0/go.mod h1:UBUyz37V+EdMS3hDF3QWIiVr/2dPrx49OMO0Bn0hJqk=
github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
github.com/spf13/afero v1.12.0 h1:UcOPyRBYczmFn6yvphxkn9ZEOY65cpwGKb5mL36mrqs=
github.com/spf13/afero v1.12.0/go.mod h1:ZTlWwG4/ahT8W7T0WQ5uYmjI9duaLQGy3Q2OAl4sk/4=
github.com/spf13/afero v1.14.0 h1:9tH6MapGnn/j0eb0yIXiLjERO8RB6xIVZRDCX7PtqWA=
github.com/spf13/afero v1.14.0/go.mod h1:acJQ8t0ohCGuMN3O+Pv0V0hgMxNYDlvdk+VTfyZmbYo=
github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/spf13/viper v1.19.0 h1:RWq5SEjt8o25SROyN3z2OrDB9l7RPd3lwTWU8EcEdcI=
github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+Ntkg=
github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/spf13/viper v1.20.1 h1:ZMi+z/lvLyPSCoNtFCpqjy0S4kPbirhpTMwl8BkW9X4=
github.com/spf13/viper v1.20.1/go.mod h1:P9Mdzt1zoHIG8m2eZQinpiBjo6kCmZSKBClNNqjJvu4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
@@ -88,32 +82,28 @@ go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8 h1:yqrTHse8TCMW1M1ZCP+VAR/l0kKxwaAIqN/il7x4voA=
golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8/go.mod h1:tujkw807nyEEAamNbDrEGzRav+ilXA7PCRAd6xsmwiU=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View File

@@ -83,6 +83,11 @@ func receiveParse() {
}
}
// 当前的实现中,每次调用 receiveParse() 都会锁定 WebSocket 连接
// 当前为单例模式,只启动一个 receiveParse 协程
var receiveParseOnce sync.Once
func LeoIP(ip string, timeout time.Duration, lang string, maptrace bool) (*IPGeoData, error) {
// TODO: 根据lang的值请求中文/英文API
// TODO: 根据maptrace的值决定是否请求经纬度信息
@@ -100,7 +105,10 @@ func LeoIP(ip string, timeout time.Duration, lang string, maptrace bool) (*IPGeo
// 发送请求
sendIPRequest(ip)
// 同步开启监听
go receiveParse()
// 确保 receiveParse 只启动一次
receiveParseOnce.Do(func() {
go receiveParse()
})
// 拥塞,等待数据返回
select {

View File

@@ -13,12 +13,17 @@ type ReceivedMessage struct {
Err error
}
// PacketListener 负责监听网络数据包并通过通道传递接收到的消息
type PacketListener struct {
ctx context.Context
Conn net.PacketConn
Messages chan ReceivedMessage
}
// NewPacketListener 创建一个新的数据包监听器
// conn: 用于接收数据包的连接
// ctx: 用于控制监听器生命周期的上下文
// 返回初始化好的 PacketListener 实例
func NewPacketListener(conn net.PacketConn, ctx context.Context) *PacketListener {
results := make(chan ReceivedMessage, 50)

View File

@@ -17,7 +17,7 @@ import (
"golang.org/x/sync/semaphore"
)
type TCPTracerv6 struct {
type TCPTracerIPv6 struct {
Config
wg sync.WaitGroup
res Result
@@ -35,7 +35,7 @@ type TCPTracerv6 struct {
fetchLock sync.Mutex
}
func (t *TCPTracerv6) Execute() (*Result, error) {
func (t *TCPTracerIPv6) Execute() (*Result, error) {
if len(t.res.Hops) > 0 {
return &t.res, ErrTracerouteExecuted
}
@@ -100,7 +100,7 @@ func (t *TCPTracerv6) Execute() (*Result, error) {
return &t.res, nil
}
func (t *TCPTracerv6) listenICMP() {
func (t *TCPTracerIPv6) listenICMP() {
lc := NewPacketListener(t.icmp, t.ctx)
go lc.Start()
for {
@@ -133,7 +133,7 @@ func (t *TCPTracerv6) listenICMP() {
// @title listenTCP
// @description 监听TCP的响应数据包
func (t *TCPTracerv6) listenTCP() {
func (t *TCPTracerIPv6) listenTCP() {
lc := NewPacketListener(t.tcp, t.ctx)
go lc.Start()
@@ -170,7 +170,7 @@ func (t *TCPTracerv6) listenTCP() {
}
}
func (t *TCPTracerv6) handleICMPMessage(msg ReceivedMessage) {
func (t *TCPTracerIPv6) handleICMPMessage(msg ReceivedMessage) {
var sequenceNumber = binary.BigEndian.Uint32(msg.Msg[52:56])
t.inflightRequestLock.Lock()
@@ -187,7 +187,7 @@ func (t *TCPTracerv6) handleICMPMessage(msg ReceivedMessage) {
// log.Println("发送成功")
}
func (t *TCPTracerv6) send(ttl int) error {
func (t *TCPTracerIPv6) send(ttl int) error {
err := t.sem.Acquire(context.Background(), 1)
if err != nil {
return err

View File

@@ -82,15 +82,13 @@ func Traceroute(method Method, config Config) (*Result, error) {
if config.DestIP.To4() != nil {
tracer = &UDPTracer{Config: config}
} else {
//TODO: IPv6 UDP trace 在做了,指新建文件夹(
return nil, errors.New("IPv6 UDP Traceroute is not supported")
tracer = &UDPTracerIPv6{Config: config}
}
case TCPTrace:
if config.DestIP.To4() != nil {
tracer = &TCPTracer{Config: config}
} else {
tracer = &TCPTracerv6{Config: config}
// return nil, errors.New("IPv6 TCP Traceroute is not supported")
tracer = &TCPTracerIPv6{Config: config}
}
default:
return &Result{}, ErrInvalidMethod

View File

@@ -4,6 +4,7 @@ import (
"log"
"math/rand"
"net"
"strconv"
"sync"
"time"
@@ -31,6 +32,7 @@ type UDPTracer struct {
sem *semaphore.Weighted
fetchLock sync.Mutex
udpMutex sync.Mutex
}
func (t *UDPTracer) Execute() (*Result, error) {
@@ -135,9 +137,10 @@ func (t *UDPTracer) handleICMPMessage(msg ReceivedMessage, data []byte) {
}
}
func (t *UDPTracer) getUDPConn(try int) (net.IP, int, net.PacketConn) {
srcIP, _ := util.LocalIPPort(t.DestIP)
var cachedLocalPort int
func (t *UDPTracer) getUDPConn(try int) (net.IP, int, net.PacketConn, error) {
srcIP, _ := util.LocalIPPort(t.DestIP)
var ipString string
if srcIP == nil {
ipString = ""
@@ -145,14 +148,37 @@ func (t *UDPTracer) getUDPConn(try int) (net.IP, int, net.PacketConn) {
ipString = srcIP.String()
}
udpConn, err := net.ListenPacket("udp", ipString+":0")
if err != nil {
if try > 3 {
log.Fatal(err)
// Check environment variable to decide caching behavior
if util.GetenvDefault("NEXTTRACE_RANDOMPORT", "") == "" {
// Use cached random port logic
if cachedLocalPort == 0 {
// First time: listen on a random port
udpConn, err := net.ListenPacket("udp", ipString+":0")
if err != nil {
if try > 3 {
log.Fatal(err)
}
return srcIP, 0, nil, err
}
cachedLocalPort = udpConn.LocalAddr().(*net.UDPAddr).Port
// Close the initial connection after obtaining the port
udpConn.Close()
}
return t.getUDPConn(try + 1)
// Use the cached local port to establish a new connection
udpConn, err := net.ListenPacket("udp", ipString+":"+strconv.Itoa(cachedLocalPort))
if err != nil {
return srcIP, cachedLocalPort, nil, err
}
return srcIP, cachedLocalPort, udpConn, nil
} else {
// Without caching: create a new connection each time using a new random port
udpConn, err := net.ListenPacket("udp", ipString+":0")
if err != nil {
return srcIP, 0, nil, err
}
localPort := udpConn.LocalAddr().(*net.UDPAddr).Port
return srcIP, localPort, udpConn, nil
}
return srcIP, udpConn.LocalAddr().(*net.UDPAddr).Port, udpConn
}
func (t *UDPTracer) send(ttl int) error {
@@ -167,7 +193,15 @@ func (t *UDPTracer) send(ttl int) error {
return nil
}
srcIP, srcPort, udpConn := t.getUDPConn(0)
if util.GetenvDefault("NEXTTRACE_RANDOMPORT", "") == "" {
t.udpMutex.Lock()
defer t.udpMutex.Unlock()
}
srcIP, srcPort, udpConn, err := t.getUDPConn(0)
if err != nil {
return err
}
defer udpConn.Close()
//var payload []byte
@@ -244,7 +278,7 @@ func (t *UDPTracer) send(ttl int) error {
}
hopCh <- Hop{
Success: true,
Address: peer,
Address: &net.IPAddr{IP: peer.(*net.UDPAddr).IP},
}
}()
@@ -256,7 +290,6 @@ func (t *UDPTracer) send(ttl int) error {
if t.final != -1 && ttl > t.final {
return nil
}
if addr, ok := h.Address.(*net.IPAddr); ok && addr.IP.Equal(t.DestIP) {
t.finalLock.Lock()
if t.final == -1 || ttl < t.final {

391
trace/udp_ipv6.go Normal file
View File

@@ -0,0 +1,391 @@
package trace
import (
"log"
"math/rand"
"net"
"strconv"
"sync"
"time"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/nxtrace/NTrace-core/util"
"golang.org/x/net/context"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv6"
"golang.org/x/sync/semaphore"
)
type UDPTracerIPv6 struct {
Config
wg sync.WaitGroup
res Result
ctx context.Context
inflightRequest map[int]chan Hop
inflightRequestLock sync.Mutex
icmp net.PacketConn
final int
finalLock sync.Mutex
sem *semaphore.Weighted
fetchLock sync.Mutex
udpMutex sync.Mutex
}
func (t *UDPTracerIPv6) Execute() (*Result, error) {
if len(t.res.Hops) > 0 {
return &t.res, ErrTracerouteExecuted
}
var err error
t.icmp, err = icmp.ListenPacket("ip6:ipv6-icmp", "::")
if err != nil {
return &t.res, err
}
defer t.icmp.Close()
var cancel context.CancelFunc
t.ctx, cancel = context.WithCancel(context.Background())
defer cancel()
t.inflightRequest = make(map[int]chan Hop)
t.final = -1
go t.listenICMP()
t.sem = semaphore.NewWeighted(int64(t.ParallelRequests))
for ttl := t.BeginHop; ttl <= t.MaxHops; ttl++ {
// 如果到达最终跳,则退出
if t.final != -1 && ttl > t.final {
break
}
for i := 0; i < t.NumMeasurements; i++ {
t.wg.Add(1)
go t.send(ttl)
<-time.After(time.Millisecond * time.Duration(t.Config.PacketInterval))
}
if t.RealtimePrinter != nil {
// 对于实时模式应该按照TTL进行并发请求
t.wg.Wait()
t.RealtimePrinter(&t.res, ttl-1)
}
<-time.After(time.Millisecond * time.Duration(t.Config.TTLInterval))
}
go func() {
if t.AsyncPrinter != nil {
for {
t.AsyncPrinter(&t.res)
time.Sleep(200 * time.Millisecond)
}
}
}()
// 如果是表格模式,则一次性并发请求
if t.AsyncPrinter != nil {
t.wg.Wait()
}
t.res.reduce(t.final)
return &t.res, nil
}
func (t *UDPTracerIPv6) listenICMP() {
lc := NewPacketListener(t.icmp, t.ctx)
go lc.Start()
for {
select {
case <-t.ctx.Done():
return
case msg := <-lc.Messages:
if msg.N == nil {
continue
}
rm, err := icmp.ParseMessage(58, msg.Msg[:*msg.N])
if err != nil {
log.Println(err)
continue
}
switch rm.Type {
case ipv6.ICMPTypeTimeExceeded:
t.handleICMPMessage(msg)
case ipv6.ICMPTypeDestinationUnreachable:
t.handleICMPMessage(msg)
default:
// log.Println("received icmp message of unknown type", rm.Type)
}
}
}
}
// handleICMPMessage 处理 ICMPv6 消息并提取 UDP 源端口
//
// ICMPv6 错误消息格式:
// - ICMPv6 头部 (8 字节)
// - 原始 IPv6 包 (包含 IPv6 头部和 UDP 头部)
//
// 处理步骤:
// 1. 验证消息长度
// 2. 解析 ICMPv6 头部
// 3. 提取原始 IPv6 包
// 4. 处理可能的扩展头部
// 5. 提取 UDP 源端口
// 6. 发送结果到对应通道
func (t *UDPTracerIPv6) handleICMPMessage(msg ReceivedMessage) {
// ICMPv6 错误消息至少需要包含 IPv6 头部(40字节)和部分 UDP 头部
if len(msg.Msg) < 48 {
return
}
// 尝试解析 ICMPv6 消息中包含的原始数据包
var offset int = 8 // ICMPv6 头部长度
// 检查剩余长度是否足够包含 IPv6 头部
if len(msg.Msg) < offset+40 {
return
}
// 验证 IPv6 版本 (前4位应该是6)
if (msg.Msg[offset] >> 4) != 6 {
return
}
// 获取下一个头部类型
nextHeader := msg.Msg[offset+6]
// 跳过 IPv6 基本头部
offset += 40
// 处理可能的扩展头部
for nextHeader != 17 && offset+2 < len(msg.Msg) { // 17 是 UDP 协议号
switch nextHeader {
case 0: // Hop-by-Hop Options
case 43: // Routing
case 44: // Fragment
case 50: // ESP
case 51: // AH
case 60: // Destination Options
if offset+2 >= len(msg.Msg) {
return // 不够长,无法读取扩展头部长度
}
nextHeader = msg.Msg[offset]
headerLen := int(msg.Msg[offset+1])*8 + 8
offset += headerLen
default:
// 未知或不支持的扩展头部类型
return
}
}
// 确认下一个头部是 UDP (17)
if nextHeader != 17 {
return
}
// 确保有足够的数据来读取 UDP 源端口
if offset+2 > len(msg.Msg) {
return
}
// 从 UDP 头部提取源端口(前2字节)
srcPort := int(uint16(msg.Msg[offset])<<8 | uint16(msg.Msg[offset+1]))
t.inflightRequestLock.Lock()
defer t.inflightRequestLock.Unlock()
ch, ok := t.inflightRequest[srcPort]
if !ok {
return
}
ch <- Hop{
Success: true,
Address: msg.Peer,
}
}
var cachedLocalPortv6 int
func (t *UDPTracerIPv6) getUDPConn(try int) (net.IP, int, net.PacketConn, error) {
srcIP, _ := util.LocalIPPortv6(t.DestIP)
var ipString string
if srcIP == nil {
ipString = "::"
} else {
ipString = srcIP.String()
}
// Check environment variable to decide caching behavior
if util.GetenvDefault("NEXTTRACE_RANDOMPORT", "") == "" {
// Use cached random port logic
if cachedLocalPortv6 == 0 {
// First time: listen on a random port
udpConn, err := net.ListenPacket("udp6", "["+ipString+"]:0")
if err != nil {
if try > 3 {
log.Fatal(err)
}
return srcIP, 0, nil, err
}
cachedLocalPortv6 = udpConn.LocalAddr().(*net.UDPAddr).Port
// Close the initial connection after obtaining the port
udpConn.Close()
}
// Use the cached local port to establish a new connection
udpConn, err := net.ListenPacket("udp6", "["+ipString+"]:"+strconv.Itoa(cachedLocalPortv6))
if err != nil {
return srcIP, cachedLocalPortv6, nil, err
}
return srcIP, cachedLocalPortv6, udpConn, nil
} else {
// Without caching: create a new connection each time using a new random port
udpConn, err := net.ListenPacket("udp6", "["+ipString+"]:0")
if err != nil {
return srcIP, 0, nil, err
}
localPort := udpConn.LocalAddr().(*net.UDPAddr).Port
return srcIP, localPort, udpConn, nil
}
}
func (t *UDPTracerIPv6) send(ttl int) error {
err := t.sem.Acquire(context.Background(), 1)
if err != nil {
return err
}
defer t.sem.Release(1)
defer t.wg.Done()
if t.final != -1 && ttl > t.final {
return nil
}
if util.GetenvDefault("NEXTTRACE_RANDOMPORT", "") == "" {
t.udpMutex.Lock()
defer t.udpMutex.Unlock()
}
srcIP, srcPort, udpConn, err := t.getUDPConn(0)
if err != nil {
return err
}
defer udpConn.Close()
ipHeader := &layers.IPv6{
SrcIP: srcIP,
DstIP: t.DestIP,
NextHeader: layers.IPProtocolUDP,
HopLimit: uint8(ttl),
}
udpHeader := &layers.UDP{
SrcPort: layers.UDPPort(srcPort),
DstPort: layers.UDPPort(t.DestPort),
}
_ = udpHeader.SetNetworkLayerForChecksum(ipHeader)
buf := gopacket.NewSerializeBuffer()
opts := gopacket.SerializeOptions{
ComputeChecksums: true,
FixLengths: true,
}
desiredPayloadSize := t.Config.PktSize
if desiredPayloadSize-8 > 0 {
desiredPayloadSize -= 8
}
payload := make([]byte, desiredPayloadSize)
// 设置随机种子
rand.Seed(time.Now().UnixNano())
// 填充随机数
for i := range payload {
payload[i] = byte(rand.Intn(256))
}
if err := gopacket.SerializeLayers(buf, opts, udpHeader, gopacket.Payload(payload)); err != nil {
return err
}
err = ipv6.NewPacketConn(udpConn).SetHopLimit(ttl)
if err != nil {
return err
}
start := time.Now()
if _, err := udpConn.WriteTo(buf.Bytes(), &net.UDPAddr{IP: t.DestIP, Port: t.DestPort}); err != nil {
return err
}
// 在对inflightRequest进行写操作的时候应该加锁保护以免多个goroutine协程试图同时写入造成panic
t.inflightRequestLock.Lock()
hopCh := make(chan Hop, 1)
t.inflightRequest[srcPort] = hopCh
t.inflightRequestLock.Unlock()
defer func() {
t.inflightRequestLock.Lock()
close(hopCh)
delete(t.inflightRequest, srcPort)
t.inflightRequestLock.Unlock()
}()
go func() {
reply := make([]byte, 1500)
_, peer, err := udpConn.ReadFrom(reply)
if err != nil {
// probably because we closed the connection
return
}
hopCh <- Hop{
Success: true,
Address: &net.IPAddr{IP: peer.(*net.UDPAddr).IP},
}
}()
select {
case <-t.ctx.Done():
return nil
case h := <-hopCh:
rtt := time.Since(start)
if t.final != -1 && ttl > t.final {
return nil
}
if addr, ok := h.Address.(*net.IPAddr); ok && addr.IP.Equal(t.DestIP) {
t.finalLock.Lock()
if t.final == -1 || ttl < t.final {
t.final = ttl
}
t.finalLock.Unlock()
} else if addr, ok := h.Address.(*net.UDPAddr); ok && addr.IP.Equal(t.DestIP) {
t.finalLock.Lock()
if t.final == -1 || ttl < t.final {
t.final = ttl
}
t.finalLock.Unlock()
}
h.TTL = ttl
h.RTT = rtt
t.fetchLock.Lock()
defer t.fetchLock.Unlock()
err := h.fetchIPData(t.Config)
if err != nil {
return err
}
t.res.add(h)
case <-time.After(t.Timeout):
if t.final != -1 && ttl > t.final {
return nil
}
t.res.add(Hop{
Success: false,
Address: nil,
TTL: ttl,
RTT: 0,
Error: ErrHopLimitTimeout,
})
}
return nil
}

View File

@@ -25,6 +25,12 @@ var PowProviderParam = ""
var DisableMPLS = GetenvDefault("NEXTTRACE_DISABLEMPLS", "")
var EnableHidDstIP = GetenvDefault("NEXTTRACE_ENABLEHIDDENDSTIP", "")
var DestIP string
var cachedLocalIP net.IP
var cachedLocalPort int
var localIPOnce sync.Once
var cachedLocalIPv6 net.IP
var cachedLocalPort6 int
var localIPv6Once sync.Once
func LookupAddr(addr string) ([]string, error) {
// 如果在缓存中找到,直接返回
@@ -44,37 +50,70 @@ func LookupAddr(addr string) ([]string, error) {
return names, nil
}
// LocalIPPort get the local ip and port based on our destination ip
func LocalIPPort(dstip net.IP) (net.IP, int) {
// getLocalIPPort encapsulates the logic to get local IP and port via a UDP connection
func getLocalIPPort(dstip net.IP) (net.IP, int) {
serverAddr, err := net.ResolveUDPAddr("udp", dstip.String()+":12345")
if err != nil {
log.Fatal(err)
}
con, err := net.DialUDP("udp", nil, serverAddr)
if err != nil {
return nil, -1
}
defer con.Close()
if udpaddr, ok := con.LocalAddr().(*net.UDPAddr); ok {
return udpaddr.IP, udpaddr.Port
}
return nil, -1
}
// We don't actually connect to anything, but we can determine
// based on our destination ip what source ip we should use.
if con, err := net.DialUDP("udp", nil, serverAddr); err == nil {
defer con.Close()
if udpaddr, ok := con.LocalAddr().(*net.UDPAddr); ok {
return udpaddr.IP, udpaddr.Port
}
// getLocalIPPortv6 encapsulates the logic to get local IPv6 and port via a UDP connection
func getLocalIPPortv6(dstip net.IP) (net.IP, int) {
serverAddr, err := net.ResolveUDPAddr("udp", "["+dstip.String()+"]:12345")
if err != nil {
log.Fatal(err)
}
con, err := net.DialUDP("udp", nil, serverAddr)
if err != nil {
return nil, -1
}
defer con.Close()
if udpaddr, ok := con.LocalAddr().(*net.UDPAddr); ok {
return udpaddr.IP, udpaddr.Port
}
return nil, -1
}
// LocalIPPort returns the local IP and port based on our destination IP, with caching unless NEXTTRACE_RANDOMPORT is set.
func LocalIPPort(dstip net.IP) (net.IP, int) {
// If NEXTTRACE_RANDOMPORT is set, bypass caching and return a new port every time.
if GetenvDefault("NEXTTRACE_RANDOMPORT", "") != "" {
return getLocalIPPort(dstip)
}
// Otherwise, use the cached value (computed only once).
localIPOnce.Do(func() {
cachedLocalIP, cachedLocalPort = getLocalIPPort(dstip)
})
if cachedLocalIP != nil {
return cachedLocalIP, cachedLocalPort
}
return nil, -1
}
func LocalIPPortv6(dstip net.IP) (net.IP, int) {
serverAddr, err := net.ResolveUDPAddr("udp", "["+dstip.String()+"]:12345")
if err != nil {
log.Fatal(err)
// If NEXTTRACE_RANDOMPORT is set, bypass caching and return a new port every time.
// 该ENV仅对TCP Mode有效UDP Mode暂无办法固定Port
if GetenvDefault("NEXTTRACE_RANDOMPORT", "") != "" {
return getLocalIPPortv6(dstip)
}
// We don't actually connect to anything, but we can determine
// based on our destination ip what source ip we should use.
if con, err := net.DialUDP("udp", nil, serverAddr); err == nil {
defer con.Close()
if udpaddr, ok := con.LocalAddr().(*net.UDPAddr); ok {
return udpaddr.IP, udpaddr.Port
}
// Otherwise, use the cached value (computed only once).
localIPv6Once.Do(func() {
cachedLocalIPv6, cachedLocalPort6 = getLocalIPPortv6(dstip)
})
if cachedLocalIPv6 != nil {
return cachedLocalIPv6, cachedLocalPort6
}
return nil, -1
}

View File

@@ -104,16 +104,16 @@ func (c *WsConn) messageSendHandler() {
err := c.Conn.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
if err != nil {
// log.Println("write close:", err)
os.Exit(1)
//os.Exit(1)
panic(err)
}
select {
// 等到了结果,直接退出
case <-c.Done:
// 如果等待 1s 还是拿不到结果,不再等待,超时退出
case <-time.After(time.Second):
case <-time.After(1 * time.Second):
}
os.Exit(1)
// return
os.Exit(0)
}
}
}
@@ -134,8 +134,9 @@ func (c *WsConn) recreateWsConn() {
jwtToken, err = pow.GetToken(util.GetPowProvider(), util.GetPowProvider(), port)
}
if err != nil {
log.Println(err)
os.Exit(1)
//log.Println(err)
//os.Exit(1)
panic(err)
}
} else {
// 使用 cacheToken
@@ -206,8 +207,9 @@ func createWsConn() *WsConn {
jwtToken, err = pow.GetToken(util.GetPowProvider(), util.GetPowProvider(), port)
}
if err != nil {
log.Println(err)
os.Exit(1)
//log.Println(err)
//os.Exit(1)
panic(err)
}
ua = []string{util.UserAgent}
}