mirror of
https://github.com/AtlasMediaGroup/Scissors.git
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41 lines
2.5 KiB
Diff
41 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Telesphoreo <me@telesphoreo.me>
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Date: Fri, 22 Apr 2022 01:24:05 -0500
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Subject: [PATCH] Validate coordinates before attempting to get block entities
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when handling Creative Inventory packets
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 9df5b678ce4343d0bb54133393f6bbe40fe5366b..4186c5c880e94d858fa7e661a1c795269170cf31 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -2990,20 +2990,25 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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if (this.player.gameMode.isCreative()) {
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boolean flag = packet.getSlotNum() < 0;
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ItemStack itemstack = packet.getItem();
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- CompoundTag nbttagcompound = BlockItem.getBlockEntityData(itemstack);
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+ CompoundTag nbttagcompound = BlockItem.getBlockEntityData(itemstack);
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if (!itemstack.isEmpty() && nbttagcompound != null && nbttagcompound.contains("x") && nbttagcompound.contains("y") && nbttagcompound.contains("z") && this.player.getBukkitEntity().hasPermission("minecraft.nbt.copy")) { // Spigot
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BlockPos blockposition = BlockEntity.getPosFromTag(nbttagcompound);
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// Paper start
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- BlockEntity tileentity = null;
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+ // Scissors start - Validate coordinates and whether or not the player can reach them
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+ if (Level.isInSpawnableBounds(blockposition) && !isOutsideOfReach(blockposition.getX(), blockposition.getY(), blockposition.getZ())) {
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+ BlockEntity tileentity = null;
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if (this.player.distanceToSqr(blockposition.getX(), blockposition.getY(), blockposition.getZ()) < 32 * 32 && this.player.getLevel().isLoadedAndInBounds(blockposition)) {
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tileentity = this.player.level.getBlockEntity(blockposition);
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}
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// Paper end
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- if (tileentity != null) {
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- tileentity.saveToItem(itemstack);
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+ if (tileentity != null) {
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+ tileentity.saveToItem(
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+ itemstack);
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+ }
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}
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+ // Scissors end
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}
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boolean flag1 = packet.getSlotNum() >= 1 && packet.getSlotNum() <= 45;
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