dingdayu/dnsx

package dns

import (
    "strings"

    "github.com/miekg/dns"

    "github.com/xyser/dnsx/model/dao"
)

// TypeHINFO hardware type and operating system (OS) information
// testhinfo 90 IN HINFO "INTEL-386" "Windows"
func TypeHINFO(msg *dns.Msg) error {
    domain := msg.Question[0].Name
    rrs, err := dao.GetRecordByNameAndType(domain, msg.Question[0].Qtype)
    if err != nil {
        return err
    }
    for _, rr := range rrs {
        vs := strings.Split(rr.Value, " ")
        // 不够3位 不返回
        if len(vs) < 2 {
            continue
        }
        msg.Answer = append(msg.Answer, &dns.HINFO{
            Hdr: dns.RR_Header{Name: msg.Question[0].Name, Rrtype: msg.Question[0].Qtype, Class: dns.ClassINET, Ttl: rr.TTL},
            Cpu: vs[0],
            Os:  vs[1],
        })
    }
    return nil
}