From 7785d6744dca6ea4009e5bf796c383828db024da Mon Sep 17 00:00:00 2001
From: Pugmatt <pugmatt@gmail.com>
Date: Wed, 25 Mar 2020 19:53:30 -0400
Subject: Fix for domain regex

---
 .../pugmatt/bedrockconnect/BedrockConnect.java     | 50 +++++++++++++++++++++-
 .../bedrockconnect/listeners/PacketHandler.java    |  4 +-
 2 files changed, 50 insertions(+), 4 deletions(-)

(limited to 'serverlist-server/src')

diff --git a/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/BedrockConnect.java b/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/BedrockConnect.java
index 2c00ac4..b58f1d9 100644
--- a/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/BedrockConnect.java
+++ b/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/BedrockConnect.java
@@ -3,15 +3,17 @@ package main.com.pyratron.pugmatt.bedrockconnect;
 import main.com.pyratron.pugmatt.bedrockconnect.sql.Data;
 import main.com.pyratron.pugmatt.bedrockconnect.sql.MySQL;
 import main.com.pyratron.pugmatt.bedrockconnect.utils.PaletteManager;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
 
 import java.io.*;
+import java.net.*;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.util.Timer;
-import java.util.TimerTask;
+import java.util.*;
 
 public class BedrockConnect {
 
@@ -54,6 +56,50 @@ public class BedrockConnect {
                     port = getArgValue(str, "port");
                 if(str.startsWith("nodb="))
                     noDB = true;
+                if(str.startsWith("generatedns=")) {
+                    String ip;
+                    try {
+                        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+
+                        System.out.println("Local IPv4 IPs:");
+                        while (interfaces.hasMoreElements()) {
+                            NetworkInterface iface = interfaces.nextElement();
+
+                            if (iface.isLoopback() || !iface.isUp() || iface.isVirtual() || iface.isPointToPoint())
+                                continue;
+
+                            Enumeration<InetAddress> addresses = iface.getInetAddresses();
+                            while(addresses.hasMoreElements()) {
+                                InetAddress addr = addresses.nextElement();
+
+                                if(!(addr instanceof Inet4Address)) continue;
+
+                                ip = addr.getHostAddress();
+                                System.out.println(iface.getDisplayName() + ": " + ip);
+                            }
+                        }
+
+                        Scanner reader = new Scanner(System.in);  // Reading from System.in
+                        System.out.print("\nWhich IP should be used for the DNS records: ");
+                        String selectedIP = reader.next().replaceAll("\\s+","");
+                        reader.close();
+
+                        BufferedWriter br = new BufferedWriter(new FileWriter(new File("bc_dns.conf")));
+                        br.write("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
+                                "<DNSMasqConfig xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n" +
+                                "  <DNSMasqEntries>\n" +
+                                "    <DNSMasqHost name=\"hivebedrock.network\" a=\"" + selectedIP + "\" />\n" +
+                                "    <DNSMasqHost name=\"mco.mineplex.com\" a=\"" + selectedIP + "\" />\n" +
+                                "    <DNSMasqHost name=\"play.inpvp.net\" a=\"" + selectedIP + "\" />\n" +
+                                "    <DNSMasqHost name=\"mco.lbsg.net\" a=\"" + selectedIP + "\" />\n" +
+                                "    <DNSMasqHost name=\"mco.cubecraft.net\" a=\"" + selectedIP + "\" />\n" +
+                                "  </DNSMasqEntries>\n" +
+                                "</DNSMasqConfig>");
+                        br.close();
+                    } catch (SocketException e) {
+                        throw new RuntimeException(e);
+                    }
+                }
             }
 
             if(!noDB)
diff --git a/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/listeners/PacketHandler.java b/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/listeners/PacketHandler.java
index f7362ef..536e802 100644
--- a/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/listeners/PacketHandler.java
+++ b/serverlist-server/src/main/com/pyratron/pugmatt/bedrockconnect/listeners/PacketHandler.java
@@ -1000,11 +1000,11 @@ public class PacketHandler implements BedrockPacketHandler {
                                 data.set(0, data.get(0).replaceAll("\\s",""));
                                 data.set(1, data.get(1).replaceAll("\\s",""));
 
-                                if(data.get(0).length() >= 45)
+                                if(data.get(0).length() >= 253)
                                     session.sendPacketImmediately(UIForms.createError("Address is too large. (Must be less than 45)"));
                                 else if(data.get(1).length() >= 10)
                                     session.sendPacketImmediately(UIForms.createError("Port is too large. (Must be less than 10)"));
-                                else if (!data.get(0).matches("[a-zA-Z.0-9]+"))
+                                else if (!data.get(0).matches("^((?!-)[A-Za-z0-9-]{1,63}(?<!-)\\.)+[A-Za-z]{2,6}$"))
                                     session.sendPacketImmediately(UIForms.createError("Enter a valid address. (E.g. play.example.net, 172.16.254.1)"));
                                 else if (!data.get(1).matches("[0-9]+"))
                                     session.sendPacketImmediately(UIForms.createError("Enter a valid port that contains only numbers"));
-- 
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