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package file
import (
"log"
"github.com/miekg/dns"
)
// TransferIn retrieves the zone from the masters, parses it and sets it live.
func (z *Zone) TransferIn() error {
if len(z.TransferFrom) == 0 {
return nil
}
t := new(dns.Transfer)
m := new(dns.Msg)
m.SetAxfr(z.name)
/*
t.TsigSecret = map[string]string{"axfr.": "so6ZGir4GPAqINNh9U5c3A=="}
m.SetTsig("axfr.", dns.HmacMD5, 300, time.Now().Unix())
*/
var Err error
Transfer:
for _, tr := range z.TransferFrom {
c, err := t.In(m, tr)
if err != nil {
log.Printf("[ERROR] failed to setup transfer %s with %s: %v", z.name, z.TransferFrom[0], err)
Err = err
continue Transfer
}
for env := range c {
if env.Error != nil {
log.Printf("[ERROR] failed to parse transfer %s: %v", z.name, env.Error)
Err = env.Error
continue Transfer
}
for _, rr := range env.RR {
if rr.Header().Rrtype == dns.TypeSOA {
z.SOA = rr.(*dns.SOA)
continue
}
if rr.Header().Rrtype == dns.TypeRRSIG {
if x, ok := rr.(*dns.RRSIG); ok && x.TypeCovered == dns.TypeSOA {
z.SIG = append(z.SIG, x)
}
}
z.Insert(rr)
}
}
}
return Err
}
/*
28800 ; refresh (8 hours)
7200 ; retry (2 hours)
604800 ; expire (1 week)
3600 ; minimum (1 hour)
// Check SOA
// Just check every refresh hours, if fail set to retry until succeeds
// expire is need: to give SERVFAIL.
*/
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