geforkt von Mirrors/Paper
71 Zeilen
3.2 KiB
Diff
71 Zeilen
3.2 KiB
Diff
--- a/net/minecraft/server/HandshakeListener.java
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+++ b/net/minecraft/server/HandshakeListener.java
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@@ -1,7 +1,17 @@
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package net.minecraft.server;
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+// CraftBukkit start
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+import java.net.InetAddress;
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+import java.util.HashMap;
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+// CraftBukkit end
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+
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public class HandshakeListener implements PacketHandshakingInListener {
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+ // CraftBukkit start - add fields
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+ private static final HashMap<InetAddress, Long> throttleTracker = new HashMap<InetAddress, Long>();
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+ private static int throttleCounter = 0;
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+ // CraftBukkit end
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+
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private final MinecraftServer a;
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private final NetworkManager b;
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@@ -16,6 +26,41 @@
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this.b.setProtocol(EnumProtocol.LOGIN);
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ChatMessage chatmessage;
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+ // CraftBukkit start - Connection throttle
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+ try {
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+ long currentTime = System.currentTimeMillis();
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+ long connectionThrottle = MinecraftServer.getServer().server.getConnectionThrottle();
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+ InetAddress address = ((java.net.InetSocketAddress) this.b.getSocketAddress()).getAddress();
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+
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+ synchronized (throttleTracker) {
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+ if (throttleTracker.containsKey(address) && !"127.0.0.1".equals(address.getHostAddress()) && currentTime - throttleTracker.get(address) < connectionThrottle) {
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+ throttleTracker.put(address, currentTime);
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+ chatmessage = new ChatMessage("Connection throttled! Please wait before reconnecting.");
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+ this.b.sendPacket(new PacketLoginOutDisconnect(chatmessage));
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+ this.b.close(chatmessage);
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+ return;
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+ }
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+
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+ throttleTracker.put(address, currentTime);
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+ throttleCounter++;
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+ if (throttleCounter > 200) {
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+ throttleCounter = 0;
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+
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+ // Cleanup stale entries
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+ java.util.Iterator iter = throttleTracker.entrySet().iterator();
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+ while (iter.hasNext()) {
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+ java.util.Map.Entry<InetAddress, Long> entry = (java.util.Map.Entry) iter.next();
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+ if (entry.getValue() > connectionThrottle) {
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+ iter.remove();
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+ }
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+ }
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+ }
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+ }
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+ } catch (Throwable t) {
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+ org.apache.logging.log4j.LogManager.getLogger().debug("Failed to check connection throttle", t);
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+ }
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+ // CraftBukkit end
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+
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if (packethandshakinginsetprotocol.b() > 338) {
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chatmessage = new ChatMessage("multiplayer.disconnect.outdated_server", new Object[] { "1.12.1"});
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this.b.sendPacket(new PacketLoginOutDisconnect(chatmessage));
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@@ -26,6 +71,7 @@
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this.b.close(chatmessage);
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} else {
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this.b.setPacketListener(new LoginListener(this.a, this.b));
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+ ((LoginListener) this.b.i()).hostname = packethandshakinginsetprotocol.hostname + ":" + packethandshakinginsetprotocol.port; // CraftBukkit - set hostname
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}
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break;
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