80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package dns
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import (
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"b612.me/starlog"
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"fmt"
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"github.com/spf13/cobra"
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"os"
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"strings"
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)
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var dnsServer, serverType, queryType string
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func init() {
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Cmd.Flags().StringVarP(&dnsServer, "server", "s", "", "dns服务器地址")
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Cmd.Flags().StringVarP(&serverType, "type", "t", "udp", "dns服务器类型,支持udp,tcp,dot,doh")
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Cmd.Flags().StringVarP(&queryType, "query-type", "q", "A", "dns查询类型，支持 A,CNAME,AAAA,MX,NS,SOA,SRV,PTR,ANY,CAA,TLSA,DS,DNSKEY,NSEC,NSEC3,NSEC3PARAM,RRSIG,SPF,SSHFP,TKEY,TSIG,URI")
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}
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var Cmd = &cobra.Command{
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Use: "dns",
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Aliases: []string{"dig"},
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Short: "dns查询服务",
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Long: "DNS查询服务，支持UDP,TCP,DoT,DoH",
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Run: func(cmd *cobra.Command, args []string) {
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itype := 0
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switch strings.ToLower(serverType) {
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case "udp", "":
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itype = 0
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case "tcp":
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itype = 1
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case "dot":
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itype = 2
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case "doh":
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itype = 3
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default:
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starlog.Errorln("unsupport server type:", serverType)
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os.Exit(1)
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}
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localdns := GetDNSServers()
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for _, v := range localdns {
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fmt.Println("本地DNS:", v.String())
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}
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if dnsServer == "" {
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switch itype {
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case 0, 1:
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if len(localdns) != 0 {
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dnsServer = localdns[0].String()
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} else {
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dnsServer = "223.5.5.5:53"
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}
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case 2:
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dnsServer = "dns.b612.me:853"
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case 3:
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dnsServer = "https://dns.b612.me/dns-query"
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}
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}
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if (itype == 0 || itype == 1) && !strings.Contains(dnsServer, ":") {
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dnsServer = dnsServer + ":53"
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}
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if len(args) == 0 {
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starlog.Errorln("请输入查询目标")
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return
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}
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queryType = strings.ToUpper(queryType)
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fmt.Println("查询DNS:", dnsServer)
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fmt.Println("查询类型:", queryType)
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for _, target := range args {
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data, err := QueryDns(target, queryType, itype, dnsServer)
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if err != nil {
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starlog.Errorln(err)
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os.Exit(2)
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}
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fmt.Println("\n")
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fmt.Println("Query:", target)
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fmt.Println(data.Str)
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}
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},
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}
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