ipv6 support

Author: fuskovic

internal/list/list.go

@@ -196,7 +196,13 @@ func getCurrentDeviceRemoteIP() (net.IP, error) {
 		return nil, err
 	}
 
-	remoteIP := net.ParseIP(string(b)).To4()
+	var remoteIP net.IP
+	ipAddr := string(b)
+	if strings.Contains(ipAddr, ":") {
+		remoteIP = net.ParseIP(ipAddr).To16()
+	} else {
+		remoteIP = net.ParseIP(ipAddr).To4()
+	}
 	if remoteIP == nil {
 		return nil, fmt.Errorf("failed to get resolve ip %q as ipv4", b)
 	}

internal/resolve/lookup.go

@@ -78,17 +78,16 @@ func AddrByHostName(hostname string) (*Record, error) {
 		return nil, fmt.Errorf("no addresses found for hostname %q", hostname)
 	}
 
-	ipv4 := ipAddrs[0].To4()
-	if ipv4 == nil {
-		return &Record{
-			Hostname: hostname,
-			IP:       *ipAddrs[0],
-		}, nil
+	var ipAddr net.IP
+	if strings.Contains(string(*ipAddrs[0]), ":") {
+		ipAddr = ipAddrs[0].To16()
+	} else {
+		ipAddr = ipAddrs[0].To4()
 	}
 
 	return &Record{
 		Hostname: hostname,
-		IP:       ipv4,
+		IP:       ipAddr,
 	}, err
 }