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* Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 8085edde SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls 04c7e13c PR-719: Add Player Profile API 71564210 SPIGOT-6910: Add BlockDamageAbortEvent CraftBukkit Changes: febaa1c6 SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls 9dafd109 Don't send updates over large distances bdac46b0 SPIGOT-6782: EntityPortalEvent should not destroy entity when setTo() uses same world as getFrom() 8f361ece PR-1002: Add Player Profile API 911875d4 Increase outdated build delay e5f8a767 SPIGOT-6917: Use main scoreboard for /trigger a672a531 Clean up callBlockDamageEvent 8e1bdeef SPIGOT-6910: Add BlockDamageAbortEvent Spigot Changes: 6edb62f3 Rebuild patches 7fbc6a1e Rebuild patches * Updated Upstream (CraftBukkit) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes: de951355 SPIGOT-6927: Fix default value of spawn-limits in Worlds
52 Zeilen
3.0 KiB
Diff
52 Zeilen
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 27 Feb 2019 22:18:40 -0500
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Subject: [PATCH] Limit Client Sign length more
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modified clients can send more data from the client
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to the server and it would get stored on the sign as sent.
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Mojang has a limit of 384 which is much higher than reasonable.
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the client can barely render around 16 characters as-is, but formatting
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codes can get it to be more than 16 actual length.
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Set a limit of 80 which should give an average of 16 characters 2
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sets of legacy formatting codes which should be plenty for all uses.
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This does not strip any existing data from the NBT as plugins
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may use this for storing data out of the rendered area.
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it only impacts data sent from the client.
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Set -DPaper.maxSignLength=XX to change limit or -1 to disable
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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 e2044745f490f99deb993e42385d71fa8d927ab1..7b639081b1bd5ac0cca7c6be1692c179bc9692fb 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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@@ -253,6 +253,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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private int aboveGroundVehicleTickCount;
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private int receivedMovePacketCount;
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private int knownMovePacketCount;
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+ private static final int MAX_SIGN_LINE_LENGTH = Integer.getInteger("Paper.maxSignLength", 80);
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private static final long KEEPALIVE_LIMIT = Long.getLong("paper.playerconnection.keepalive", 30) * 1000; // Paper - provide property to set keepalive limit
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public ServerGamePacketListenerImpl(MinecraftServer server, Connection connection, ServerPlayer player) {
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@@ -2865,6 +2866,15 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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for (int i = 0; i < signText.size(); ++i) {
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TextFilter.FilteredText currentLine = signText.get(i);
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+ // Paper start - cap line length - modified clients can send longer data than normal
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+ if (MAX_SIGN_LINE_LENGTH > 0 && currentLine.getRaw().length() > MAX_SIGN_LINE_LENGTH) {
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+ // This handles multibyte characters as 1
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+ int offset = currentLine.getRaw().codePoints().limit(MAX_SIGN_LINE_LENGTH).map(Character::charCount).sum();
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+ if (offset < currentLine.getRaw().length()) {
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+ signText.set(i, currentLine = net.minecraft.server.network.TextFilter.FilteredText.passThrough(currentLine.getRaw().substring(0, offset))); // this will break any filtering, but filtering is NYI as of 1.17
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+ }
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+ }
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+ // Paper end
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if (this.player.isTextFilteringEnabled()) {
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lines.add(net.kyori.adventure.text.Component.text(SharedConstants.filterText(currentLine.getFiltered())));
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