2025-02-05 10:53:26 +08:00
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package main
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import (
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"context"
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"flag"
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2025-02-18 14:16:13 +08:00
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"fmt"
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2025-02-07 16:39:02 +08:00
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"log"
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2025-02-05 10:53:26 +08:00
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"net"
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2025-02-18 14:16:13 +08:00
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"os"
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2025-02-05 10:53:26 +08:00
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"strings"
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"time"
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)
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// 判断IPv6 地址类型
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func classifyIPv6(ip net.IP) string {
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if ip.IsLoopback() {
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return "Loopback"
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} else if ip.IsLinkLocalUnicast() {
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return "Link-Local"
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} else if ip.IsGlobalUnicast() {
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return "Global"
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}
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return "Unknown"
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}
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// getIPv6Addresses 获取网络接口的 IPv6 地址。
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// 它会跳过回环接口,并且只考虑已启用的接口。
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func getIPv6Addresses() (map[string][]net.IP, error) {
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// 创建一个 map 用于存储接口名称及其对应的 IPv6 地址。
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addresses := make(map[string][]net.IP)
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// 获取系统上的所有网络接口。
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interfaces, err := net.Interfaces()
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if err != nil {
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return nil, err // 如果无法获取接口信息,则返回错误。
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}
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// 遍历所有网络接口。
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for _, iface := range interfaces {
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// 跳过未启用的接口或回环接口。
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if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
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continue
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}
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// 获取与该接口关联的地址。
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addrs, err := iface.Addrs()
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if err != nil {
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return nil, err // 如果无法获取地址,则返回错误。
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}
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// 遍历该接口的所有地址。
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for _, addr := range addrs {
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var ip net.IP
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switch v := addr.(type) {
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case *net.IPNet:
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ip = v.IP // 从 IPNet 类型中提取 IP。
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case *net.IPAddr:
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ip = v.IP // 从 IPAddr 类型中提取 IP。
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}
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// 检查 IP 是否为 IPv6 地址(即不是 IPv4)。
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if ip != nil && ip.To4() == nil {
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// 将 IPv6 地址添加到对应的接口名称列表中。
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addresses[iface.Name] = append(addresses[iface.Name], ip)
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}
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}
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}
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return addresses, nil // 返回包含 IPv6 地址的映射。
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}
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// 获取指定接口的 IPv6 地址
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func pppoe_interface_ipv6(_interface string) string {
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addresses, err := getIPv6Addresses()
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if err != nil {
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2025-02-07 16:39:02 +08:00
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log.Printf("获取 IPv6 地址失败: %v\n", err)
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2025-02-05 10:53:26 +08:00
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return "NULL"
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}
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//fmt.Println("IPv6 地址列表:")
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for iface, ips := range addresses {
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2025-02-07 16:39:02 +08:00
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//log.Printf("Interface: %s\n", iface)
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2025-02-05 10:53:26 +08:00
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if iface == _interface {
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for _, ip := range ips {
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addrType := classifyIPv6(ip)
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if addrType == "Global" {
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return ip.String()
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}
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}
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}
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}
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return "NULL"
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}
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// 使用指定的 DNS 服务器解析域名的 IPv6 地址
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func check_domain_ipv6(domain string) string {
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// 自定义解析器,使用 8.8.8.8 作为 DNS 服务器
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resolver := &net.Resolver{
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PreferGo: true,
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Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
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d := net.Dialer{
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Timeout: time.Second * 5,
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}
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return d.DialContext(ctx, "udp", "8.8.8.8:53") // 指定 Google DNS
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},
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}
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// 查询域名的 IP 地址
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ips, err := resolver.LookupIP(context.Background(), "ip6", domain)
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if err != nil {
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return "NULL"
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}
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// 遍历返回的 IP 地址,返回第一个 IPv6 地址
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for _, ip := range ips {
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if ip.To4() == nil {
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return ip.String()
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}
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}
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return "NULL"
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}
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// 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
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func Loop(info INFO) {
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var Domain_ipv6_addr string
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var Now_ipv6_addr string
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2025-02-18 14:16:13 +08:00
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Domain_ipv6_addr = check_domain_ipv6(*info._Subdomain)
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Now_ipv6_addr = pppoe_interface_ipv6(*info._interface)
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2025-02-05 10:53:26 +08:00
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if Now_ipv6_addr != Domain_ipv6_addr {
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2025-02-07 16:39:02 +08:00
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log.Printf("域名解析地址: %s\n", Domain_ipv6_addr)
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log.Printf("当前地址: %s\n", Now_ipv6_addr)
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log.Printf("域名解析地址与现在地址不相等!!!\n")
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2025-02-05 10:53:26 +08:00
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2025-02-18 14:16:13 +08:00
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RecordID := FetchSubdomainRecord(*info._Key, *info._Domain, *info._Subdomain)
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log.Printf("RecordID:%s\n", RecordID)
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if RecordID != "NULL" {
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rrid := RecordID
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rrhost := strings.Split(*info._Subdomain, ".")[0] // 获取子域名前缀 v6
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2025-02-05 10:53:26 +08:00
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rrvalue := Now_ipv6_addr
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2025-02-18 14:16:13 +08:00
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r := ProcessDNSUpdateForDomain(*info._Key, *info._Domain, rrid, rrhost, rrvalue)
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2025-02-05 10:53:26 +08:00
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if r == 1 {
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}
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}
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} else {
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log.Printf("域名解析地址: %s\n", Domain_ipv6_addr)
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log.Printf("当前地址: %s\n", Now_ipv6_addr)
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log.Printf("域名解析地址与现在地址相等,无需处理!!!\n")
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2025-02-05 10:53:26 +08:00
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}
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}
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// Sleep 函数
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func Sleep(m int) {
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time.Sleep(time.Duration(m) * time.Minute)
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}
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2025-02-18 14:16:13 +08:00
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func TimeZone() {
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// 设置 Go 的本地时区为 Asia/Shanghai
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loc, err := time.LoadLocation("Asia/Shanghai")
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if err != nil {
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log.Fatalf("加载时区失败: %v", err)
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}
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time.Local = loc
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}
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type INFO struct {
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_interface *string
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_Domain *string
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_Subdomain *string
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_Key *string
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}
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func GetDaemon(_Subdomain *string) *string {
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// 使用 strings.Split 分割域名
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parts := strings.Split(*_Subdomain, ".")
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// 检查分割后的部分数量
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if len(parts) < 2 {
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fmt.Println("无效的域名")
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return nil
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}
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// 获取主域名
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mainDomain := parts[len(parts)-2] + "." + parts[len(parts)-1]
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return &mainDomain
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}
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2025-02-05 10:53:26 +08:00
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func main() {
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2025-02-05 10:53:26 +08:00
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daemon := flag.Bool("d", false, "守护进程模式")
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2025-02-18 14:16:13 +08:00
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_interface := flag.String("i", "pppoe-wan", "网卡")
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_Subdomain := flag.String("s", "v6.aixiao.me", "子域名")
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_key := flag.String("k", "NULL", "NameSilo API 密钥")
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2025-02-05 10:53:26 +08:00
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flag.Parse()
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2025-02-18 14:16:13 +08:00
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var info INFO
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info._interface = _interface
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info._Subdomain = _Subdomain
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info._Key = _key
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info._Domain = GetDaemon(_Subdomain)
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if *info._Key == "NULL" {
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envKey := os.Getenv("NAMESILO")
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if envKey != "" {
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info._Key = &envKey // 将环境变量的值赋值给 info._Key
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} else {
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log.Fatalf("密钥未设置,请通过 -k 参数或 NAMESILO 环境变量提供密钥")
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}
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}
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fmt.Println("主域名:", *info._Domain)
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fmt.Println("子域名:", *info._Subdomain)
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fmt.Println("密钥:", *info._Key)
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2025-02-05 10:53:26 +08:00
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// 守护进程模式
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if *daemon {
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Daemon()
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}
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2025-02-18 14:16:13 +08:00
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//TimeZone()
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2025-02-05 10:53:26 +08:00
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for {
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2025-02-18 14:16:13 +08:00
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Loop(info)
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2025-02-19 09:17:59 +08:00
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Sleep(30)
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2025-02-05 10:53:26 +08:00
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}
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}
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