From 5360df819c89e6fa9bcb9928f16d37c43bdac44f Mon Sep 17 00:00:00 2001
From: Luna <90072930+LunaWasFlaggedAgain@users.noreply.github.com>
Date: Wed, 5 Jul 2023 12:08:30 -0300
Subject: [PATCH] Fix packet-related lag exploits (1.19.4) (#118)

* Fix packet-related lag exploits

* Fix oopsie
---
 ...0049-Fix-packet-related-lag-exploits.patch | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 patches/server/0049-Fix-packet-related-lag-exploits.patch

diff --git a/patches/server/0049-Fix-packet-related-lag-exploits.patch b/patches/server/0049-Fix-packet-related-lag-exploits.patch
new file mode 100644
index 0000000..37e207b
--- /dev/null
+++ b/patches/server/0049-Fix-packet-related-lag-exploits.patch
@@ -0,0 +1,46 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Luna <lunahatesgogle@gmail.com>
+Date: Tue, 4 Jul 2023 18:49:34 -0300
+Subject: [PATCH] Fix packet-related lag exploits
+
+
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index ca6b809f56cf4d28d5a6514c18322419c8184f30..6bbf1a5620a5ab52add56b9fcf9ce92288498dab 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -958,7 +958,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+             this.player.sendSystemMessage(Component.translatable("advMode.notEnabled"));
+         } else if (!this.player.canUseGameMasterBlocks() && (!this.player.isCreative() || !this.player.getBukkitEntity().hasPermission("minecraft.commandblock"))) { // Paper - command block permission
+             this.player.sendSystemMessage(Component.translatable("advMode.notAllowed"));
+-        } else {
++        } else if (this.player.level.isLoadedAndInBounds(packet.getPos())) { // Scissors
+             BaseCommandBlock commandblocklistenerabstract = null;
+             CommandBlockEntity tileentitycommand = null;
+             BlockPos blockposition = packet.getPos();
+@@ -1122,7 +1122,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+     @Override
+     public void handleSetStructureBlock(ServerboundSetStructureBlockPacket packet) {
+         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
+-        if (this.player.canUseGameMasterBlocks()) {
++        if (this.player.canUseGameMasterBlocks() && this.player.level.isLoadedAndInBounds(packet.getPos())) { // Scissors
+             BlockPos blockposition = packet.getPos();
+             BlockState iblockdata = this.player.level.getBlockState(blockposition);
+             BlockEntity tileentity = this.player.level.getBlockEntity(blockposition);
+@@ -1180,7 +1180,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+     @Override
+     public void handleSetJigsawBlock(ServerboundSetJigsawBlockPacket packet) {
+         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
+-        if (this.player.canUseGameMasterBlocks()) {
++        if (this.player.canUseGameMasterBlocks() && this.player.level.isLoadedAndInBounds(packet.getPos())) { // Scissors
+             BlockPos blockposition = packet.getPos();
+             BlockState iblockdata = this.player.level.getBlockState(blockposition);
+             BlockEntity tileentity = this.player.level.getBlockEntity(blockposition);
+@@ -1203,7 +1203,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+     @Override
+     public void handleJigsawGenerate(ServerboundJigsawGeneratePacket packet) {
+         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
+-        if (this.player.canUseGameMasterBlocks()) {
++        if (this.player.canUseGameMasterBlocks() && this.player.level.isLoadedAndInBounds(packet.getPos())) { // Scissors
+             BlockPos blockposition = packet.getPos();
+             BlockEntity tileentity = this.player.level.getBlockEntity(blockposition);
+