pass all the ip addresses back

Signed-off-by: Jeff Carr <jcarr@wit.com>

connection_handler.go

@@ -73,7 +73,7 @@ func HandleConnection(conn *net.TCPConn) {
 		conn.Close()
 		return
 	}
-	ipaddr := dns.Field(dnsRR, 1)
+	ipaddr := dns.Field(dnsRR[1], 1)
 	log.Println("Client claims to be:   ", ipaddr)
 	log.Println("Serving to IPv6 client:", ipv6client)
 

dnstrace.go

@@ -38,7 +38,7 @@ func colorize(s interface{}, color int, enabled bool) string {
 	return fmt.Sprintf("\x1b[%dm%v\x1b[0m", color, s)
 }
 
-func Dnstrace(hostname string, qtypestr string) dns.RR {
+func Dnstrace(hostname string, qtypestr string) []dns.RR {
 	// color := flag.Bool("color", true, "Enable/disable colors")
 	color := true
 
@@ -63,7 +63,7 @@ func Dnstrace(hostname string, qtypestr string) dns.RR {
 	o.SetUDPSize(dns.DefaultMsgSize)
 	m.Extra = append(m.Extra, o)
 
-	c := client.New()
+	c := client.New(1)
 	c.Client.Timeout = 500 * time.Millisecond
 	t := client.Tracer{
 		GotIntermediaryResponse: func(i int, m *dns.Msg, rs client.Responses, rtype client.ResponseType) {
@@ -142,18 +142,22 @@ func Dnstrace(hostname string, qtypestr string) dns.RR {
 
 	log.Println()
 	log.Printf(col(";; Cold best path time: %s\n\n", cGray), rtt)
-	for _, rr := range r.Answer {
-		log.Println(rr)
+	for i, rr := range r.Answer {
+		log.Println("r.Answer =", i, rr)
 	}
-	for _, rr := range r.Answer {
-		return rr
-	}
-	return nil
+	return r.Answer
+	// for _, rr := range r.Answer {
+	// 	return rr
+	// }
+	// return nil
 }
 
 func ResolveIPv6hostname(hostname string) *net.TCPAddr {
 	dnsRR := Dnstrace(hostname, "AAAA")
-	aaaa := dns.Field(dnsRR, 1)
+	if (dnsRR == nil) {
+		return nil
+	}
+	aaaa := dns.Field(dnsRR[1], 1)
 	localTCPAddr, _  := net.ResolveTCPAddr("tcp", aaaa)
 	return localTCPAddr
 }