Waterfall/BungeeCord-Patches/0059-Configurable-plugin-messaging-limits.patch
Shane Freeder d6688e05e6
Updated Upstream (BungeeCord)
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:
511017ab #3396: Update Netty version
c3e8cfac #3374, #3389: Improve log handling of normal java.util Logger usage by forwarding the LogRecords directly to the BungeeLogger instead of the fallback err stream.
bf2b3c68 #3384: Update documentation of ProxyPingEvent
68e74a8c #3378: Remove KickStringWriter from the pipeline after handshake arrives
5b4a5404 #3361: Cache MessageFormats for translations
88da5c05 #3353: Update GitHub actions
2022-11-14 19:14:25 +00:00

106 lines
4.6 KiB
Diff

From 9fe93823a56f1f2b50458d1842b2d9d5b79fecdb 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 55620acc..80d8843f 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
@@ -755,9 +755,10 @@ 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" ) )
--
2.38.1