Waterfall/BungeeCord-Patches/0057-Configurable-plugin-messaging-limits.patch
LinsaFTW 1efb2d439e
Updated Upstream (BungeeCord) (#844)
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

BungeeCord Changes:
d0fa62d4 Minecraft 24w06a support
464ed018 Improve cookie support during login
eda268b4 Fix 24w05b spectate packet ID
3e100752 #3612: Error when disconnecting player on PostLoginEvent
b52b1469 Add PendingConnection#isTransferred API method
94d5b0d0 Minecraft 24w05b support
c3f228f6 #3610, 3611: inverted isEmpty method on ComponentStyle
02c5c1ee #3602: Minecraft 24w04a support
c69acf72 Add JetBrains java-annotations
a1cd6943 Bump version to 1.20-R0.3-SNAPSHOT
3e2bc8e2 Release 1.20-R0.2
ad7163d2 #3600: Bump io.netty:netty-bom from 4.1.104.Final to 4.1.106.Final
2024-02-24 17:21:31 +00:00

106 lines
4.7 KiB
Diff

From 32dab04e234232ee5f41fbb099314ded4db6f253 Mon Sep 17 00:00:00 2001
From: FivePB <admin@fivepb.me>
Date: Tue, 16 Nov 2021 21:15:32 +0100
Subject: [PATCH] Configurable plugin messaging limits
This patch makes the maximum number of registered plugin channels as well
as their name length limit configurable. This is required for some modded
servers and clients to work
diff --git a/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java b/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
index d69463f0..469fe0e1 100644
--- a/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
+++ b/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
@@ -261,4 +261,18 @@ public interface ProxyConfig
* @return {@code true} if tablist rewriting is disabled, {@code false} otherwise
*/
boolean isDisableTabListRewrite();
+
+ /**
+ * Gets the maximum number of registered plugin channels for any connection.
+ *
+ * @return the configured limit
+ */
+ int getPluginChannelLimit();
+
+ /**
+ * Gets the maximum length for any plugin message channel identifier.
+ *
+ * @return the configured limit
+ */
+ int getPluginChannelNameLimit();
}
diff --git a/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java b/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
index b88e3c8a..da0efa36 100644
--- a/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
+++ b/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
@@ -45,6 +45,23 @@ public class WaterfallConfiguration extends Configuration {
private boolean disableEntityMetadataRewrite = false;
private boolean disableTabListRewrite = true;
+ /*
+ * Plugin Message limiting options
+ * Allows for more control over server-client communication
+ */
+
+ /**
+ * How many channels there can be between server and player,
+ * typically used by mods or some plugins.
+ */
+ private int pluginChannelLimit = 128;
+
+ /**
+ * How long the maximum channel name can be,
+ * only reason to change it would be broken mods.
+ */
+ private int pluginChannelNameLimit = 128;
+
@Override
public void load() {
super.load();
@@ -58,6 +75,8 @@ public class WaterfallConfiguration extends Configuration {
disableModernTabLimiter = config.getBoolean("disable_modern_tab_limiter", disableModernTabLimiter);
disableEntityMetadataRewrite = config.getBoolean("disable_entity_metadata_rewrite", disableEntityMetadataRewrite);
disableTabListRewrite = config.getBoolean("disable_tab_list_rewrite", disableTabListRewrite);
+ pluginChannelLimit = config.getInt("registered_plugin_channels_limit", pluginChannelLimit);
+ pluginChannelNameLimit = config.getInt("plugin_channel_name_limit", pluginChannelNameLimit);
}
@Override
@@ -94,4 +113,14 @@ public class WaterfallConfiguration extends Configuration {
public boolean isDisableTabListRewrite() {
return disableTabListRewrite;
}
+
+ @Override
+ public int getPluginChannelLimit() {
+ return pluginChannelLimit;
+ }
+
+ @Override
+ public int getPluginChannelNameLimit() {
+ return pluginChannelNameLimit;
+ }
}
diff --git a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
index ffb078d6..bb9063f6 100644
--- a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
+++ b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
@@ -830,9 +830,10 @@ public class InitialHandler extends PacketHandler implements PendingConnection
for ( String id : content.split( "\0" ) )
{
- Preconditions.checkState( registeredChannels.size() < 128, "Too many registered channels" );
- Preconditions.checkArgument( id.length() < 128, "Channel name too long" );
-
+ // Waterfall start: Add configurable limits for plugin messaging
+ Preconditions.checkState( !(registeredChannels.size() > bungee.getConfig().getPluginChannelLimit()), "Too many registered channels. This limit can be configured in the waterfall.yml" );
+ Preconditions.checkArgument( !(id.length() > bungee.getConfig().getPluginChannelNameLimit()), "Channel name too long. This limit can be configured in the waterfall.yml" );
+ // Waterfall end
registeredChannels.add( id );
}
} else if ( input.getTag().equals( "UNREGISTER" ) || input.getTag().equals( "minecraft:unregister" ) )
--
2.43.0.windows.1