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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
79 lines
6.8 KiB
Diff
79 lines
6.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Mariell Hoversholm <proximyst@proximyst.com>
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Date: Sat, 16 May 2020 10:05:30 +0200
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Subject: [PATCH] Add permission for command blocks
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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index e8b12b27e5ec74afb940f575e5ce78e5905d55f4..c3eb4b6372eed0b7eb636f495ce494b676767b6e 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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@@ -397,7 +397,7 @@ public class ServerPlayerGameMode {
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BlockEntity tileentity = this.level.getBlockEntity(pos);
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Block block = iblockdata.getBlock();
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- if (block instanceof GameMasterBlock && !this.player.canUseGameMasterBlocks()) {
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+ if (block instanceof GameMasterBlock && !this.player.canUseGameMasterBlocks() && !(block instanceof net.minecraft.world.level.block.CommandBlock && (this.player.isCreative() && this.player.getBukkitEntity().hasPermission("minecraft.commandblock")))) { // Paper - command block permission
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this.level.sendBlockUpdated(pos, iblockdata, iblockdata, 3);
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return false;
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} else if (this.player.blockActionRestricted(this.level, pos, this.gameModeForPlayer)) {
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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 80b6871516c45291f63b1ae521dcdf34199fd9b4..d78d411879275f11f395b4f9c94b7aab88342236 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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@@ -778,7 +778,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
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if (!this.server.isCommandBlockEnabled()) {
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this.player.sendSystemMessage(Component.translatable("advMode.notEnabled"));
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- } else if (!this.player.canUseGameMasterBlocks()) {
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+ } else if (!this.player.canUseGameMasterBlocks() && (!this.player.isCreative() || !this.player.getBukkitEntity().hasPermission("minecraft.commandblock"))) { // Paper - command block permission
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this.player.sendSystemMessage(Component.translatable("advMode.notAllowed"));
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} else {
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BaseCommandBlock commandblocklistenerabstract = null;
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@@ -845,7 +845,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
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if (!this.server.isCommandBlockEnabled()) {
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this.player.sendSystemMessage(Component.translatable("advMode.notEnabled"));
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- } else if (!this.player.canUseGameMasterBlocks()) {
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+ } else if (!this.player.canUseGameMasterBlocks() && (!this.player.isCreative() || !this.player.getBukkitEntity().hasPermission("minecraft.commandblock"))) { // Paper - command block permission
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this.player.sendSystemMessage(Component.translatable("advMode.notAllowed"));
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} else {
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BaseCommandBlock commandblocklistenerabstract = packet.getCommandBlock(this.player.level());
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diff --git a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
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index ac0aeb53176069d0835b6b08c8d871edae846763..c56f5173fda6b38c2dcaea196217f2f5a7d7c641 100644
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--- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
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+++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
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@@ -198,7 +198,7 @@ public abstract class BaseCommandBlock implements CommandSource {
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}
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public InteractionResult usedBy(Player player) {
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- if (!player.canUseGameMasterBlocks()) {
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+ if (!player.canUseGameMasterBlocks() && (!player.isCreative() || !player.getBukkitEntity().hasPermission("minecraft.commandblock"))) { // Paper - command block permission
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return InteractionResult.PASS;
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} else {
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if (player.getCommandSenderWorld().isClientSide) {
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diff --git a/src/main/java/net/minecraft/world/level/block/CommandBlock.java b/src/main/java/net/minecraft/world/level/block/CommandBlock.java
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index 840226771819024de2c6e84f08f6e354e96474ba..7ef14e4441a329c680a5dfe4bfb5033ffcb8f9d5 100644
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--- a/src/main/java/net/minecraft/world/level/block/CommandBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/CommandBlock.java
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@@ -143,7 +143,7 @@ public class CommandBlock extends BaseEntityBlock implements GameMasterBlock {
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public InteractionResult use(BlockState state, Level world, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {
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BlockEntity tileentity = world.getBlockEntity(pos);
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- if (tileentity instanceof CommandBlockEntity && player.canUseGameMasterBlocks()) {
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+ if (tileentity instanceof CommandBlockEntity && (player.canUseGameMasterBlocks() || (player.isCreative() && player.getBukkitEntity().hasPermission("minecraft.commandblock")))) { // Paper - command block permission
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player.openCommandBlock((CommandBlockEntity) tileentity);
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return InteractionResult.sidedSuccess(world.isClientSide);
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} else {
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java b/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
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index 245ad120a36b6defca7e6889faae1ca5fc33d0c7..e0e61115ada9a49d4c528c5d4e02a1ca571d9531 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
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@@ -16,6 +16,7 @@ public final class CraftDefaultPermissions {
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DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".nbt.copy", "Gives the user the ability to copy NBT in creative", org.bukkit.permissions.PermissionDefault.TRUE, parent);
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DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".debugstick", "Gives the user the ability to use the debug stick in creative", org.bukkit.permissions.PermissionDefault.OP, parent);
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DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".debugstick.always", "Gives the user the ability to use the debug stick in all game modes", org.bukkit.permissions.PermissionDefault.FALSE/* , parent */); // Paper - should not have this parent, as it's not a "vanilla" utility
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+ DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".commandblock", "Gives the user the ability to use command blocks.", org.bukkit.permissions.PermissionDefault.OP, parent); // Paper
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// Spigot end
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parent.recalculatePermissibles();
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}
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