46 lines
956 B
Go
46 lines
956 B
Go
|
// inspired from:
|
||
|
|
// https://github.com/mactsouk/opensource.com.git
|
||
|
|
// and
|
||
|
|
// https://coderwall.com/p/wohavg/creating-a-simple-tcp-server-in-go
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
// import "net"
|
||
|
|
|
||
|
|
// will try to get this hosts FQDN
|
||
|
|
import "github.com/Showmax/go-fqdn"
|
||
|
|
|
||
|
|
// this is the king of dns libraries
|
||
|
|
import "github.com/miekg/dns"
|
||
|
|
|
||
|
|
// dnssec IPv6 socket library
|
||
|
|
import "git.wit.org/jcarr/dnssecsocket"
|
||
|
|
|
||
|
|
func getHostname() {
|
||
|
|
var err error
|
||
|
|
me.fqdn, err = fqdn.FqdnHostname()
|
||
|
|
if (err != nil) {
|
||
|
|
log("FQDN hostname error =", err)
|
||
|
|
exit()
|
||
|
|
return
|
||
|
|
}
|
||
|
|
log("FQDN hostname is", me.fqdn)
|
||
|
|
|
||
|
|
var aaaa []string
|
||
|
|
aaaa = getAAAA(me.fqdn)
|
||
|
|
log("AAAA =", aaaa)
|
||
|
|
}
|
||
|
|
|
||
|
|
func getAAAA(s string) []string {
|
||
|
|
// lookup the IP address from DNS
|
||
|
|
dnsRR := dnssecsocket.Dnstrace(s, "AAAA")
|
||
|
|
log(args.VerboseDNS, SPEW, dnsRR)
|
||
|
|
if (dnsRR == nil) {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
ipaddr1 := dns.Field(dnsRR, 1)
|
||
|
|
ipaddr2 := dns.Field(dnsRR, 2)
|
||
|
|
log("ipaddr", ipaddr1, ipaddr2)
|
||
|
|
return []string{ipaddr1, ipaddr2}
|
||
|
|
}
|