now redirecting ports via iptables, needs to be optimized

src/de/tudarmstadt/informatik/hostage/protocol/smbutils/NMB.java

@@ -24,8 +24,8 @@ public class NMB extends Thread {
 	private String ip;
 	private String[] ipParts;
 	private InetAddress dst;
-	private int nbnsPort = 137;
-	private int nbdsPort = 138;
+	private int nbnsPort = 1024;
+	private int nbdsPort = 1025;
 	private String username;
 	private String workgroup;
 	private NBNS nbns;
@@ -229,6 +229,12 @@ public class NMB extends Thread {
 			MyDatagramSocketFactory factory = new MyDatagramSocketFactory();
 			nbnsSocket = factory.createDatagramSocket(nbnsPort);
 			nbdsSocket = factory.createDatagramSocket(nbdsPort);
+
+            // port forwarding
+
+            Process nbnsP = new ProcessBuilder("su","-c","iptables -t nat -A PREROUTING -p udp --dport 137 -j REDIRECT --to-ports 1024").start();
+            Process nbdsP = new ProcessBuilder("su","-c","iptables -t nat -A PREROUTING -p udp --dport 138 -j REDIRECT --to-ports 1025").start();
+
 		} catch (SocketException e) {
 			e.printStackTrace();
 		} catch (IOException e) {