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GNU GENERAL PUBLIC LICENSE
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Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# ddns-namesilo
## 概述
`ddns-namesilo` 是为 namesilo 域名供应商、OpenWrt 官方系统。用于实现动态域名 IPV6 动态解析。
### 构建项目
克隆项目仓库：
```bash
git clone https://git.aixiao.me/aixiao/ddns-namesilo.git
cd ddns-namesilo-go
bash build.sh
```
### 运行项目
```bash
# arm64 架构
./root/ddns-namesilo-linux-arm64 -d >> ddns-namesilo-linux-arm64.log 2>&1
```
## 联系信息
- **邮箱**：<aixiao@aixiao.me>
- **日期**：20250202
## 许可证
本项目遵循 GNU 许可证，详情参见 [LICENSE](LICENSE) 文件。
---
希望这个 `README.md` 文件能够帮助您更好地介绍和使用 `ddns-namesilo` 项目。如果有任何其他需求或修改，请随时告知。

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#!/bin/bash
set -x
BIN="ddns-namesilo"
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o ${BIN}-linux-arm64 -a -ldflags '-extldflags "-static"'
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o ${BIN}-linux-amd64 -a -ldflags '-extldflags "-static"'

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package main
import (
"fmt"
"log"
"os"
"os/exec"
)
// Daemon 函数用于将程序转换为守护进程模式（简易实现）
// 注意：这不是 POSIX 标准的完整守护进程实现，缺少以下标准步骤：
// 1. 未创建新会话（setsid）
// 2. 未重置文件权限掩码
// 3. 未改变工作目录
// 4. 未关闭/重定向标准输入输出
// 适用于简单后台需求，生产环境建议使用专业库
func Daemon() {
// 构建新的命令行参数（过滤掉 -d 参数）
args := make([]string, 0)
for _, arg := range os.Args[1:] { // 遍历原始参数（跳过第一个程序路径参数）
if arg != "-d" { // 过滤掉用于触发守护进程的 -d 标志
args = append(args, arg)
}
}
// 创建新的进程命令
// os.Args[0] 是当前程序的执行路径
// args 是过滤后的新参数列表（不包含 -d）
cmd := exec.Command(os.Args[0], args...)
// 配置标准输入输出（注意：真正的守护进程通常需要重定向这些）
// 这里继承父进程的标准输入输出，实际使用时可能需要：
// 1. 重定向到文件
// 2. 指向 /dev/null
// 3. 使用日志系统
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
// 异步启动新进程（Start 而非 Run）
// 注意：此处未设置新进程组或会话，可能导致子进程随终端关闭
if err := cmd.Start(); err != nil {
log.Fatalf("无法启动新实例: %v", err) // 启动失败时终止父进程
}
// 输出提示信息（调试用，正式版可删除）
fmt.Println("新实例已启动，当前进程将退出")
// 退出父进程，让子进程继续运行
// 注意：此时子进程的父进程变为 init 进程（PID 1）
os.Exit(0)
}

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package main
import (
"encoding/json"
"fmt"
"io"
"net/http"
)
type Response struct {
Request struct {
Operation string `json:"operation"`
IP string `json:"ip"`
} `json:"request"`
Reply struct {
Code int `json:"code"`
Detail string `json:"detail"`
RecordID string `json:"record_id"`
} `json:"reply"`
}
// PerformDNSUpdate 使用 Namesilo API 更新指定域名的 DNS 记录
func PerformDNSUpdate(key string, domain string, rrid string, rrhost string, rrvalue string) (*Response, error) {
url := fmt.Sprintf("https://www.namesilo.com/api/dnsUpdateRecord?version=1&type=json&key=%s&domain=%s&rrid=%s&rrhost=%s&rrvalue=%s&rrttl=3600", key, domain, rrid, rrhost, rrvalue)
resp, err := http.Get(url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var apiResponse Response
if err := json.Unmarshal(body, &apiResponse); err != nil {
return nil, err
}
return &apiResponse, nil
}
// ProcessDNSUpdateForDomain 处理指定域名的 DNS 记录更新，并返回操作状态码
func ProcessDNSUpdateForDomain(key string, Domain string, rrid string, rrhost string, rrvalue string) int {
// 更新DNS
response, err := PerformDNSUpdate(key, Domain, rrid, rrhost, rrvalue)
if err != nil {
fmt.Println("获取 DNS 记录失败:", err)
return 1
}
// 打印完整 JSON 数据
responseJson, err := json.MarshalIndent(response, "", " ")
if err != nil {
fmt.Println("JSON 格式化失败:", err)
return 1
}
fmt.Println(string(responseJson))
// 判断 Code 字段是否表示成功
if response.Reply.Code == 300 {
fmt.Println("DNS 记录更新成功!")
return 0
} else {
fmt.Println("DNS 记录更新失败，错误代码:", response.Reply.Code)
}
return 1
}

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module ddns
go 1.23.5

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package main
import (
"context"
"flag"
"fmt"
"net"
"strings"
"time"
)
// 判断IPv6 地址类型
func classifyIPv6(ip net.IP) string {
if ip.IsLoopback() {
return "Loopback"
} else if ip.IsLinkLocalUnicast() {
return "Link-Local"
} else if ip.IsGlobalUnicast() {
return "Global"
}
return "Unknown"
}
// getIPv6Addresses 获取网络接口的 IPv6 地址。
// 它会跳过回环接口，并且只考虑已启用的接口。
func getIPv6Addresses() (map[string][]net.IP, error) {
// 创建一个 map 用于存储接口名称及其对应的 IPv6 地址。
addresses := make(map[string][]net.IP)
// 获取系统上的所有网络接口。
interfaces, err := net.Interfaces()
if err != nil {
return nil, err // 如果无法获取接口信息，则返回错误。
}
// 遍历所有网络接口。
for _, iface := range interfaces {
// 跳过未启用的接口或回环接口。
if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
continue
}
// 获取与该接口关联的地址。
addrs, err := iface.Addrs()
if err != nil {
return nil, err // 如果无法获取地址，则返回错误。
}
// 遍历该接口的所有地址。
for _, addr := range addrs {
var ip net.IP
switch v := addr.(type) {
case *net.IPNet:
ip = v.IP // 从 IPNet 类型中提取 IP。
case *net.IPAddr:
ip = v.IP // 从 IPAddr 类型中提取 IP。
}
// 检查 IP 是否为 IPv6 地址（即不是 IPv4）。
if ip != nil && ip.To4() == nil {
// 将 IPv6 地址添加到对应的接口名称列表中。
addresses[iface.Name] = append(addresses[iface.Name], ip)
}
}
}
return addresses, nil // 返回包含 IPv6 地址的映射。
}
// 获取指定接口的 IPv6 地址
func pppoe_interface_ipv6(_interface string) string {
addresses, err := getIPv6Addresses()
if err != nil {
fmt.Printf("获取 IPv6 地址失败: %v\n", err)
return "NULL"
}
//fmt.Println("IPv6 地址列表:")
for iface, ips := range addresses {
//fmt.Printf("Interface: %s\n", iface)
if iface == _interface {
for _, ip := range ips {
addrType := classifyIPv6(ip)
if addrType == "Global" {
return ip.String()
}
}
}
}
return "NULL"
}
// 使用指定的 DNS 服务器解析域名的 IPv6 地址
func check_domain_ipv6(domain string) string {
// 自定义解析器，使用 8.8.8.8 作为 DNS 服务器
resolver := &net.Resolver{
PreferGo: true,
Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
d := net.Dialer{
Timeout: time.Second * 5,
}
return d.DialContext(ctx, "udp", "8.8.8.8:53") // 指定 Google DNS
},
}
// 查询域名的 IP 地址
ips, err := resolver.LookupIP(context.Background(), "ip6", domain)
if err != nil {
return "NULL"
}
// 遍历返回的 IP 地址，返回第一个 IPv6 地址
for _, ip := range ips {
if ip.To4() == nil {
return ip.String()
}
}
return "NULL"
}
// 循环获取域名解析地址和当前地址，并判断是否需要更新域名解析地址
func Loop() {
var Domain_ipv6_addr string
var Now_ipv6_addr string
var Domain = "aixiao.me"
var _interface = "pppoe-wan"
key := "28b94fdd541d213de7bcaef" // 你的 API Key
Subdomain := "v6.aixiao.me" // 你要获取的特定子域名（可选）
Domain_ipv6_addr = check_domain_ipv6(Subdomain)
Now_ipv6_addr = pppoe_interface_ipv6(_interface)
if Now_ipv6_addr != Domain_ipv6_addr {
fmt.Printf("域名解析地址: %s\n", Domain_ipv6_addr)
fmt.Printf("当前地址: %s\n", Now_ipv6_addr)
fmt.Printf("域名解析地址与现在地址不相等！！！\n")
RecordID := FetchSubdomainRecord(key, Domain, Subdomain)
fmt.Printf("RecordID:%s\n", RecordID)
if RecordID != "NULL" {
rrid := RecordID
rrhost := strings.Split(Subdomain, ".")[0] // 获取子域名前缀 v6
rrvalue := Now_ipv6_addr
r := ProcessDNSUpdateForDomain(key, Domain, rrid, rrhost, rrvalue)
if r == 1 {
}
}
} else {
fmt.Printf("域名解析地址: %s\n", Domain_ipv6_addr)
fmt.Printf("当前地址: %s\n", Now_ipv6_addr)
fmt.Printf("域名解析地址与现在地址相等，无需处理！！！\n")
}
}
// Sleep 函数
func Sleep(m int) {
time.Sleep(time.Duration(m) * time.Minute)
}
func main() {
daemon := flag.Bool("d", false, "守护进程模式")
flag.Parse()
// 守护进程模式
if *daemon {
Daemon()
}
for {
Loop()
Sleep(15)
}
}

94
subdomain_dns_info_fetcher.go Normal file
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@ -0,0 +1,94 @@
package main
import (
"encoding/json"
"fmt"
"io"
"net/http"
)
// NameSilo API 响应结构
type NameSiloAPIResponse struct {
Request struct {
Operation string `json:"operation"`
IP string `json:"ip"`
} `json:"request"`
Reply struct {
Code int `json:"code"`
Detail string `json:"detail"`
ResourceRecords []struct {
RecordID string `json:"record_id"`
Type string `json:"type"`
Host string `json:"host"`
Value string `json:"value"`
TTL string `json:"ttl"`
Distance json.RawMessage `json:"distance"` // 兼容数字和字符串
} `json:"resource_record"`
} `json:"reply"`
}
// 解析 distance，兼容数字和字符串
func parseDistance(raw json.RawMessage) string {
var str string
if err := json.Unmarshal(raw, &str); err == nil {
return str
}
var num int
if err := json.Unmarshal(raw, &num); err == nil {
return fmt.Sprintf("%d", num)
}
return "0"
}
// RetrieveDNSRecords 使用 Namesilo API 获取指定域名的所有 DNS 记录
func RetrieveDNSRecords(apiKey, domain string) (*NameSiloAPIResponse, error) {
url := fmt.Sprintf("https://www.namesilo.com/api/dnsListRecords?version=1&type=json&key=%s&domain=%s", apiKey, domain)
resp, err := http.Get(url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var apiResponse NameSiloAPIResponse
if err := json.Unmarshal(body, &apiResponse); err != nil {
return nil, err
}
return &apiResponse, nil
}
// FetchSubdomainRecord 获取指定子域名的 DNS 记录信息
func FetchSubdomainRecord(key string, domain string, Subdomain string) string {
// 获取 DNS 记录
response, err := RetrieveDNSRecords(key, domain)
if err != nil {
fmt.Println("获取 DNS 记录失败:", err)
return "NULL"
}
// 打印完整 JSON 数据
_, err = json.MarshalIndent(response, "", " ")
if err != nil {
fmt.Println("JSON 格式化失败:", err)
return "NULL"
}
// 只获取指定子域名的信息
for _, record := range response.Reply.ResourceRecords {
if record.Host == Subdomain {
fmt.Printf("RecordID: %s, Host: %s, Type: %s, Value: %s, TTL: %s, Distance: %s\n",
record.RecordID, record.Host, record.Type, record.Value, record.TTL, parseDistance(record.Distance))
return record.RecordID
}
}
return "NULL"
}