87 lines
3.3 KiB
Diff
87 lines
3.3 KiB
Diff
From af630d59b1f8a97ccf6d73b1d183a73d03c6f845 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 2ce2e3a..f87ebf9 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.spigotmc.SpamHaus.filterIp(pendingConnection)) return; // Spigot
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String s = (new BigInteger(MinecraftEncryption.a(PendingConnection.a(this.pendingConnection), PendingConnection.b(this.pendingConnection).H().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.openConnection(PendingConnection.b(this.pendingConnection).ap()).getInputStream()));
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diff --git a/src/main/java/org/spigotmc/SpamHaus.java b/src/main/java/org/spigotmc/SpamHaus.java
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new file mode 100644
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index 0000000..55d8d12
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--- /dev/null
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+++ b/src/main/java/org/spigotmc/SpamHaus.java
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@@ -0,0 +1,44 @@
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+package org.spigotmc;
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+
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+import java.net.InetAddress;
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+import net.minecraft.server.PendingConnection;
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+
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+public class SpamHaus
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+{
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+
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+ private SpamHaus()
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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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+ {
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+ if ( SpigotConfig.preventProxies )
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+ {
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+ try
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+ {
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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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+ {
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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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+ {
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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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+ {
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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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+ }
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+ return false;
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+ }
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+}
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diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
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index b7dbda4..e4eaecd 100644
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--- a/src/main/java/org/spigotmc/SpigotConfig.java
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+++ b/src/main/java/org/spigotmc/SpigotConfig.java
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@@ -111,4 +111,10 @@ public class SpigotConfig
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config.addDefault( path, def );
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return config.getString( path, config.getString( path ) );
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}
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+
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+ public static boolean preventProxies;
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+ private static void preventProxies()
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+ {
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+ preventProxies = getBoolean( "settings.prevent-proxies", false );
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+ }
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}
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--
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1.8.1.2
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