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https://github.com/PaperMC/Paper.git
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87 lines
4 KiB
Diff
87 lines
4 KiB
Diff
From 442c50bdefd5d2e1ab02bec593da75eed557ea05 Mon Sep 17 00:00:00 2001
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From: md_5 <md_5@live.com.au>
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Date: Tue, 23 Apr 2013 11:22:07 +1000
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Subject: [PATCH] Proxy IP Filter
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diff --git a/src/main/java/net/minecraft/server/ThreadLoginVerifier.java b/src/main/java/net/minecraft/server/ThreadLoginVerifier.java
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index 0686ba0..fcd4136 100644
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--- a/src/main/java/net/minecraft/server/ThreadLoginVerifier.java
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+++ b/src/main/java/net/minecraft/server/ThreadLoginVerifier.java
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@@ -28,6 +28,7 @@ class ThreadLoginVerifier extends Thread {
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public void run() {
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try {
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+ if (org.bukkit.craftbukkit.Spigot.filterIp(pendingConnection)) return; // Spigot
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String s = (new BigInteger(MinecraftEncryption.a(PendingConnection.a(this.pendingConnection), PendingConnection.b(this.pendingConnection).F().getPublic(), PendingConnection.c(this.pendingConnection)))).toString(16);
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URL url = new URL("http://session.minecraft.net/game/checkserver.jsp?user=" + URLEncoder.encode(PendingConnection.d(this.pendingConnection), "UTF-8") + "&serverId=" + URLEncoder.encode(s, "UTF-8"));
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BufferedReader bufferedreader = new BufferedReader(new InputStreamReader(url.openStream()));
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diff --git a/src/main/java/org/bukkit/craftbukkit/Spigot.java b/src/main/java/org/bukkit/craftbukkit/Spigot.java
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index 2cd806e..fd90979 100644
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--- a/src/main/java/org/bukkit/craftbukkit/Spigot.java
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+++ b/src/main/java/org/bukkit/craftbukkit/Spigot.java
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@@ -1,19 +1,49 @@
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package org.bukkit.craftbukkit;
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+import java.net.InetAddress;
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+import net.minecraft.server.PendingConnection;
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import org.bukkit.command.SimpleCommandMap;
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import org.bukkit.configuration.file.YamlConfiguration;
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public class Spigot {
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+ private static boolean filterIps;
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+
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public static void initialize(CraftServer server, SimpleCommandMap commandMap, YamlConfiguration configuration) {
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server.whitelistMessage = configuration.getString("settings.whitelist-message", server.whitelistMessage);
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server.stopMessage = configuration.getString("settings.stop-message", server.stopMessage);
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server.logCommands = configuration.getBoolean("settings.log-commands", true);
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server.commandComplete = configuration.getBoolean("settings.command-complete", true);
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server.spamGuardExclusions = configuration.getStringList("settings.spam-exclusions");
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+ filterIps = configuration.getBoolean("settings.filter-unsafe-ips", false);
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if (server.chunkGCPeriod == 0) {
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server.getLogger().severe("[Spigot] You should not disable chunk-gc, unexpected behaviour may occur!");
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}
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}
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+
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+ public static boolean filterIp(PendingConnection con) {
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+ if (filterIps) {
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+ try {
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+ InetAddress address = con.getSocket().getInetAddress();
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+ String ip = address.getHostAddress();
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+
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+ if (!address.isLoopbackAddress()) {
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+ String[] split = ip.split("\\.");
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+ StringBuilder lookup = new StringBuilder();
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+ for (int i = split.length - 1; i >= 0; i--) {
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+ lookup.append(split[i]);
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+ lookup.append(".");
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+ }
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+ lookup.append("xbl.spamhaus.org.");
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+ if (InetAddress.getByName(lookup.toString()) != null) {
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+ con.disconnect("Your IP address (" + ip + ") is flagged as unsafe by spamhaus.org/xbl");
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+ return true;
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+ }
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+ }
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+ } catch (Exception ex) {
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+ }
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+ }
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+ return false;
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+ }
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}
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diff --git a/src/main/resources/configurations/bukkit.yml b/src/main/resources/configurations/bukkit.yml
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index f2ce75e..b7c0376 100644
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--- a/src/main/resources/configurations/bukkit.yml
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+++ b/src/main/resources/configurations/bukkit.yml
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@@ -30,6 +30,7 @@ settings:
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command-complete: true
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spam-exclusions:
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- /skill
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+ filter-unsafe-ips: false
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world-settings:
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default:
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growth-chunks-per-tick: 650
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--
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1.8.2.1
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