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Paper/Spigot-Server-Patches/0358-Fire-event-on-GS4-query.patch
Aikar e4d10a6d67
Updated Upstream (Bukkit/CraftBukkit) 
Upstream has released updates that appears 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:
122289ff Add FaceAttachable interface to handle Grindstone facing in common with Switches
a6db750e SPIGOT-5647: ZombieVillager entity should have getVillagerType()

CraftBukkit Changes:
bbe3d58e SPIGOT-5650: Lectern.setPage(int) causes a NullPointerException
3075579f Add FaceAttachable interface to handle Grindstone facing in common with Switches
95bd4238 SPIGOT-5647: ZombieVillager entity should have getVillagerType()
4d975ac3 SPIGOT-5617: setBlockData does not work when NotPlayEvent is called by redstone current
2020-04-02 17:09:17 -04:00

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From 0d8d79a4c81abb054f62614331c21d3d3ca2b54a Mon Sep 17 00:00:00 2001
From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
Date: Sun, 17 Mar 2019 21:46:56 +0200
Subject: [PATCH] Fire event on GS4 query
diff --git a/src/main/java/net/minecraft/server/RemoteConnectionThread.java b/src/main/java/net/minecraft/server/RemoteConnectionThread.java
index 66bfbcf02b..d821ef9a75 100644
--- a/src/main/java/net/minecraft/server/RemoteConnectionThread.java
+++ b/src/main/java/net/minecraft/server/RemoteConnectionThread.java
@@ -15,7 +15,7 @@ public abstract class RemoteConnectionThread implements Runnable {
private static final Logger LOGGER = LogManager.getLogger();
private static final AtomicInteger i = new AtomicInteger(0);
protected boolean a;
- protected final IMinecraftServer b;
+ protected final IMinecraftServer b; protected IMinecraftServer getServer() { return this.b; } // Paper - OBFHELPER
protected final String c;
protected Thread d;
protected final int e = 5;
@@ -94,6 +94,7 @@ public abstract class RemoteConnectionThread implements Runnable {
this.b.g(s);
}
+ protected int getPlayerCount() { return this.d(); } // Paper - OBFHELPER
protected int d() {
return this.b.getPlayerCount();
}
diff --git a/src/main/java/net/minecraft/server/RemoteStatusListener.java b/src/main/java/net/minecraft/server/RemoteStatusListener.java
index f4f4e31d3c..d502593847 100644
--- a/src/main/java/net/minecraft/server/RemoteStatusListener.java
+++ b/src/main/java/net/minecraft/server/RemoteStatusListener.java
@@ -21,19 +21,19 @@ public class RemoteStatusListener extends RemoteConnectionThread {
private long h;
private final int i;
- private final int j;
- private final int k;
- private final String l;
- private final String m;
+ private final int j; private int getServerPort() { return this.j; } // Paper - OBFHELPER
+ private final int k; private int getMaxPlayers() { return this.k; } // Paper - OBFHELPER
+ private final String l; private String getMotd() { return this.l; } // Paper - OBFHELPER
+ private final String m; private String getWorldName() { return this.m; } // Paper - OBFHELPER
private DatagramSocket n;
private final byte[] o = new byte[1460];
private DatagramPacket p;
private final Map<SocketAddress, String> q;
- private String r;
+ private String r; private String getServerHost() { return this.r; } // Paper - OBFHELPER
private String s;
private final Map<SocketAddress, RemoteStatusListener.RemoteStatusChallenge> t;
private final long u;
- private final RemoteStatusReply v;
+ private final RemoteStatusReply v; private RemoteStatusReply getCachedFullResponse() { return this.v; } // Paper - OBFHELPER
private long w;
public RemoteStatusListener(IMinecraftServer iminecraftserver) {
@@ -91,6 +91,7 @@ public class RemoteStatusListener extends RemoteConnectionThread {
remotestatusreply.a((int) 0);
remotestatusreply.a(this.a(datagrampacket.getSocketAddress()));
+ /* Paper start - GS4 Query event
remotestatusreply.a(this.l);
remotestatusreply.a("SMP");
remotestatusreply.a(this.m);
@@ -98,6 +99,31 @@ public class RemoteStatusListener extends RemoteConnectionThread {
remotestatusreply.a(Integer.toString(this.k));
remotestatusreply.a((short) this.j);
remotestatusreply.a(this.r);
+ */
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType queryType =
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType.BASIC;
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse queryResponse = com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.builder()
+ .motd(this.getMotd())
+ .map(this.getWorldName())
+ .currentPlayers(this.getPlayerCount())
+ .maxPlayers(this.getMaxPlayers())
+ .port(this.getServerPort())
+ .hostname(this.getServerHost())
+ .gameVersion(this.getServer().getVersion())
+ .serverVersion(org.bukkit.Bukkit.getServer().getName() + " on " + org.bukkit.Bukkit.getServer().getBukkitVersion())
+ .build();
+ com.destroystokyo.paper.event.server.GS4QueryEvent queryEvent =
+ new com.destroystokyo.paper.event.server.GS4QueryEvent(queryType, datagrampacket.getAddress(), queryResponse);
+ queryEvent.callEvent();
+ queryResponse = queryEvent.getResponse();
+ remotestatusreply.writeString(queryResponse.getMotd());
+ remotestatusreply.writeString("SMP");
+ remotestatusreply.writeString(queryResponse.getMap());
+ remotestatusreply.writeString(Integer.toString(queryResponse.getCurrentPlayers()));
+ remotestatusreply.writeString(Integer.toString(queryResponse.getMaxPlayers()));
+ remotestatusreply.writeShort((short) queryResponse.getPort());
+ remotestatusreply.writeString(queryResponse.getHostname());
+ // Paper end
this.a(remotestatusreply.a(), datagrampacket);
this.a("Status [" + socketaddress + "]");
}
@@ -134,6 +160,7 @@ public class RemoteStatusListener extends RemoteConnectionThread {
this.v.a("splitnum");
this.v.a((int) 128);
this.v.a((int) 0);
+ /* Paper start - GS4 Query event
this.v.a("hostname");
this.v.a(this.l);
this.v.a("gametype");
@@ -169,6 +196,79 @@ public class RemoteStatusListener extends RemoteConnectionThread {
}
this.v.a((int) 0);
+ */
+ // Pack plugins
+ java.util.List<com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation> plugins = java.util.Collections.emptyList();
+ org.bukkit.plugin.Plugin[] bukkitPlugins;
+ if(((DedicatedServer) this.getServer()).server.getQueryPlugins() && (bukkitPlugins = org.bukkit.Bukkit.getPluginManager().getPlugins()).length > 0) {
+ plugins = java.util.stream.Stream.of(bukkitPlugins)
+ .map(plugin -> com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation.of(plugin.getName(), plugin.getDescription().getVersion()))
+ .collect(java.util.stream.Collectors.toList());
+ }
+
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse queryResponse = com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.builder()
+ .motd(this.getMotd())
+ .map(this.getWorldName())
+ .currentPlayers(this.getPlayerCount())
+ .maxPlayers(this.getMaxPlayers())
+ .port(this.getServerPort())
+ .hostname(this.getServerHost())
+ .plugins(plugins)
+ .players(this.getServer().getPlayers())
+ .gameVersion(this.getServer().getVersion())
+ .serverVersion(org.bukkit.Bukkit.getServer().getName() + " on " + org.bukkit.Bukkit.getServer().getBukkitVersion())
+ .build();
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType queryType =
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType.FULL;
+ com.destroystokyo.paper.event.server.GS4QueryEvent queryEvent =
+ new com.destroystokyo.paper.event.server.GS4QueryEvent(queryType, datagrampacket.getAddress(), queryResponse);
+ queryEvent.callEvent();
+ queryResponse = queryEvent.getResponse();
+ this.getCachedFullResponse().writeString("hostname");
+ this.getCachedFullResponse().writeString(queryResponse.getMotd());
+ this.getCachedFullResponse().writeString("gametype");
+ this.getCachedFullResponse().writeString("SMP");
+ this.getCachedFullResponse().writeString("game_id");
+ this.getCachedFullResponse().writeString("MINECRAFT");
+ this.getCachedFullResponse().writeString("version");
+ this.getCachedFullResponse().writeString(queryResponse.getGameVersion());
+ this.getCachedFullResponse().writeString("plugins");
+ java.lang.StringBuilder pluginsString = new java.lang.StringBuilder();
+ pluginsString.append(queryResponse.getServerVersion());
+ if(!queryResponse.getPlugins().isEmpty()) {
+ pluginsString.append(": ");
+ Iterator<com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation> iter = queryResponse.getPlugins().iterator();
+ while(iter.hasNext()) {
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation info = iter.next();
+ pluginsString.append(info.getName());
+ if (info.getVersion() != null) {
+ pluginsString.append(' ').append(info.getVersion().replaceAll(";", ","));
+ }
+ if (iter.hasNext()) {
+ pluginsString.append(';').append(' ');
+ }
+ }
+ }
+ this.getCachedFullResponse().writeString(pluginsString.toString());
+ this.getCachedFullResponse().writeString("map");
+ this.getCachedFullResponse().writeString(queryResponse.getMap());
+ this.getCachedFullResponse().writeString("numplayers");
+ this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getCurrentPlayers()));
+ this.getCachedFullResponse().writeString("maxplayers");
+ this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getMaxPlayers()));
+ this.getCachedFullResponse().writeString("hostport");
+ this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getPort()));
+ this.getCachedFullResponse().writeString("hostip");
+ this.getCachedFullResponse().writeString(queryResponse.getHostname());
+ // The "meaningless data" start, copied from above
+ this.getCachedFullResponse().writeInt(0);
+ this.getCachedFullResponse().writeInt(1);
+ this.getCachedFullResponse().writeString("player_");
+ this.getCachedFullResponse().writeInt(0);
+ // "Meaningless data" end
+ queryResponse.getPlayers().forEach(this.getCachedFullResponse()::writeStringUnchecked);
+ this.getCachedFullResponse().writeInt(0);
+ // Paper end
return this.v.a();
}
}
diff --git a/src/main/java/net/minecraft/server/RemoteStatusReply.java b/src/main/java/net/minecraft/server/RemoteStatusReply.java
index 848b5c3f0e..73efea7e13 100644
--- a/src/main/java/net/minecraft/server/RemoteStatusReply.java
+++ b/src/main/java/net/minecraft/server/RemoteStatusReply.java
@@ -18,15 +18,27 @@ public class RemoteStatusReply {
this.b.write(abyte, 0, abyte.length);
}
+ public void writeString(String string) throws IOException { this.a(string); } // Paper - OBFHELPER
public void a(String s) throws IOException {
this.b.writeBytes(s);
this.b.write(0);
}
+ // Paper start - unchecked exception variant to use in Stream API
+ public void writeStringUnchecked(String string) {
+ try {
+ writeString(string);
+ } catch (IOException e) {
+ com.destroystokyo.paper.util.SneakyThrow.sneaky(e);
+ }
+ }
+ // Paper end
+ public void writeInt(int i) throws IOException { this.a(i); } // Paper - OBFHELPER
public void a(int i) throws IOException {
this.b.write(i);
}
+ public void writeShort(short i) throws IOException { this.a(i); } // Paper - OBFHELPER
public void a(short short0) throws IOException {
this.b.writeShort(Short.reverseBytes(short0));
}
--
2.25.1
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