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path: root/patches/server/0754-Add-config-option-for-logging-player-ip-addresses.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Noah van der Aa <ndvdaa@gmail.com>
Date: Tue, 5 Oct 2021 20:04:21 +0200
Subject: [PATCH] Add config option for logging player ip addresses


diff --git a/src/main/java/net/minecraft/network/protocol/PacketUtils.java b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
index d6f3869f5725c7f081efb7f486f74dbb99d4d005..8bc0cb9ad5bb4e76d962ff54305e2c08e279a17b 100644
--- a/src/main/java/net/minecraft/network/protocol/PacketUtils.java
+++ b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
@@ -51,10 +51,11 @@ public class PacketUtils {
                         packet.handle(listener);
                     } catch (Exception exception) {
                         net.minecraft.network.Connection networkmanager = listener.getConnection();
+                        String playerIP = io.papermc.paper.configuration.GlobalConfiguration.get().logging.logPlayerIpAddresses ? String.valueOf(networkmanager.getRemoteAddress()) : "<ip address withheld>"; // Paper
                         if (networkmanager.getPlayer() != null) {
-                            LOGGER.error("Error whilst processing packet {} for {}[{}]", packet, networkmanager.getPlayer().getScoreboardName(), networkmanager.getRemoteAddress(), exception);
+                            LOGGER.error("Error whilst processing packet {} for {}[{}]", packet, networkmanager.getPlayer().getScoreboardName(), playerIP, exception); // Paper
                         } else {
-                            LOGGER.error("Error whilst processing packet {} for connection from {}", packet, networkmanager.getRemoteAddress(), exception);
+                            LOGGER.error("Error whilst processing packet {} for connection from {}", packet, playerIP, exception); // Paper
                         }
                         net.minecraft.network.chat.Component error = net.minecraft.network.chat.Component.literal("Packet processing error");
                         networkmanager.send(new net.minecraft.network.protocol.game.ClientboundDisconnectPacket(error), net.minecraft.network.PacketSendListener.thenRun(() -> networkmanager.disconnect(error)));
diff --git a/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java b/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
index 37cd7b44559e5705b31296df87c94d2ab200138d..37e52ea9ab694b466358981bc2a3c99f28a70c7d 100644
--- a/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
+++ b/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
@@ -185,7 +185,7 @@ public class LegacyQueryHandler extends ChannelInboundHandlerAdapter {
         buf.release();
         this.buf = null;
 
-        LOGGER.debug("Ping: (1.6) from {}", ctx.channel().remoteAddress());
+        LOGGER.debug("Ping: (1.6) from {}", io.papermc.paper.configuration.GlobalConfiguration.get().logging.logPlayerIpAddresses ? ctx.channel().remoteAddress() : "<ip address withheld>"); // Paper
 
         InetSocketAddress virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(host, port);
         com.destroystokyo.paper.event.server.PaperServerListPingEvent event = com.destroystokyo.paper.network.PaperLegacyStatusClient.processRequest(
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
index 2985271132c9ae822dcb0d7a7e6f0c268d1736cc..cfdbcd024de6ad0f9d4e83b2f912b36ef3299458 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -206,7 +206,7 @@ public class ServerConnectionListener {
                                 throw new ReportedException(CrashReport.forThrowable(exception, "Ticking memory connection"));
                             }
 
-                            ServerConnectionListener.LOGGER.warn("Failed to handle packet for {}", networkmanager.getRemoteAddress(), exception);
+                            ServerConnectionListener.LOGGER.warn("Failed to handle packet for {}", io.papermc.paper.configuration.GlobalConfiguration.get().logging.logPlayerIpAddresses ? String.valueOf(networkmanager.getRemoteAddress()) : "<ip address withheld>", exception); // Paper
                             MutableComponent ichatmutablecomponent = Component.literal("Internal server error");
 
                             networkmanager.send(new ClientboundDisconnectPacket(ichatmutablecomponent), PacketSendListener.thenRun(() -> {
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index 26781be1a01b0683f4d0f3cf565c3a623c987606..c8e373bccb8c8edd8b7a3a812e04fcf6c836df2d 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -226,7 +226,10 @@ public class ServerLoginPacketListenerImpl implements TickablePacketListener, Se
     }
 
     public String getUserName() {
-        return this.gameProfile != null ? this.gameProfile + " (" + this.connection.getRemoteAddress() + ")" : String.valueOf(this.connection.getRemoteAddress());
+        // Paper start
+        String ip = io.papermc.paper.configuration.GlobalConfiguration.get().logging.logPlayerIpAddresses ? String.valueOf(this.connection.getRemoteAddress()) : "<ip address withheld>";
+        return this.gameProfile != null ? this.gameProfile + " (" + ip + ")" : String.valueOf(ip);
+        // Paper end
     }
 
     @Nullable
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 456031783aa902c8fd40050aa2b8d051b996d71d..3e870218321a701b814a4dac97ff1af12142600e 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -243,7 +243,7 @@ public abstract class PlayerList {
         final String s1;
 
         if (connection.getRemoteAddress() != null) {
-            s1 = connection.getRemoteAddress().toString();
+            s1 = io.papermc.paper.configuration.GlobalConfiguration.get().logging.logPlayerIpAddresses ? connection.getRemoteAddress().toString() : "<ip address withheld>"; // Paper
         } else {
             s1 = "local";
         }