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Code Issues Packages Projects Releases Wiki Activity

Move to configurate for paper.yml (#7609)

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This commit is contained in:
Jake Potrebic
2022-06-09 01:51:45 -07:00
parent 01cf853f91
commit 2168417373
193 changed files with 4094 additions and 3835 deletions
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129
patches/server/Add-packet-limiter-config.patch
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@@ -23,113 +23,6 @@ and an action can be defined: DROP or KICK
If interval or rate are less-than 0, the limit is ignored
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -0,0 +0,0 @@ public class PaperConfig {
itemValidationBookAuthorLength = getInt("settings.item-validation.book.author", itemValidationBookAuthorLength);
itemValidationBookPageLength = getInt("settings.item-validation.book.page", itemValidationBookPageLength);
}
+
+ public static final class PacketLimit {
+ public final double packetLimitInterval;
+ public final double maxPacketRate;
+ public final ViolateAction violateAction;
+
+ public PacketLimit(final double packetLimitInterval, final double maxPacketRate, final ViolateAction violateAction) {
+ this.packetLimitInterval = packetLimitInterval;
+ this.maxPacketRate = maxPacketRate;
+ this.violateAction = violateAction;
+ }
+
+ public static enum ViolateAction {
+ KICK, DROP;
+ }
+ }
+
+ public static String kickMessage;
+ public static PacketLimit allPacketsLimit;
+ public static java.util.Map<Class<? extends net.minecraft.network.protocol.Packet<?>>, PacketLimit> packetSpecificLimits = new java.util.HashMap<>();
+
+ private static void packetLimiter() {
+ packetSpecificLimits.clear();
+ kickMessage = org.bukkit.ChatColor.translateAlternateColorCodes('&', getString("settings.packet-limiter.kick-message", "&cSent too many packets"));
+ allPacketsLimit = new PacketLimit(
+ getDouble("settings.packet-limiter.limits.all.interval", 7.0),
+ getDouble("settings.packet-limiter.limits.all.max-packet-rate", 500.0),
+ PacketLimit.ViolateAction.KICK
+ );
+ if (allPacketsLimit.maxPacketRate <= 0.0 || allPacketsLimit.packetLimitInterval <= 0.0) {
+ allPacketsLimit = null;
+ }
+ final ConfigurationSection section = config.getConfigurationSection("settings.packet-limiter.limits");
+
+ // add default packets
+
+ // auto recipe limiting
+ getDouble("settings.packet-limiter.limits." +
+ "PacketPlayInAutoRecipe" + ".interval", 4.0);
+ getDouble("settings.packet-limiter.limits." +
+ "PacketPlayInAutoRecipe" + ".max-packet-rate", 5.0);
+ getString("settings.packet-limiter.limits." +
+ "PacketPlayInAutoRecipe" + ".action", PacketLimit.ViolateAction.DROP.name());
+
+ final Map<String, String> mojangToSpigot = new HashMap<>();
+ final Map<String, io.papermc.paper.util.ObfHelper.ClassMapping> maps = io.papermc.paper.util.ObfHelper.INSTANCE.mappingsByObfName();
+ if (maps != null) {
+ maps.forEach((spigotName, classMapping) ->
+ mojangToSpigot.put(classMapping.mojangName(), classMapping.obfName()));
+ }
+
+ for (final String packetClassName : section.getKeys(false)) {
+ if (packetClassName.equals("all")) {
+ continue;
+ }
+ Class<?> packetClazz = null;
+
+ for (final String subpackage : List.of("game", "handshake", "login", "status")) {
+ final String fullName = "net.minecraft.network.protocol." + subpackage + "." + packetClassName;
+ try {
+ packetClazz = Class.forName(fullName);
+ break;
+ } catch (final ClassNotFoundException ex) {
+ try {
+ final String spigot = mojangToSpigot.get(fullName);
+ if (spigot != null) {
+ packetClazz = Class.forName(spigot);
+ }
+ } catch (final ClassNotFoundException ignore) {}
+ }
+ }
+
+ if (packetClazz == null || !net.minecraft.network.protocol.Packet.class.isAssignableFrom(packetClazz)) {
+ MinecraftServer.LOGGER.warn("Packet '" + packetClassName + "' does not exist, cannot limit it! Please update paper.yml");
+ continue;
+ }
+
+ if (!(section.get(packetClassName.concat(".interval")) instanceof Number) || !(section.get(packetClassName.concat(".max-packet-rate")) instanceof Number)) {
+ throw new RuntimeException("Packet limit setting " + packetClassName + " is missing interval or max-packet-rate!");
+ }
+
+ final String actionString = section.getString(packetClassName.concat(".action"), "KICK");
+ PacketLimit.ViolateAction action = PacketLimit.ViolateAction.KICK;
+ for (PacketLimit.ViolateAction test : PacketLimit.ViolateAction.values()) {
+ if (actionString.equalsIgnoreCase(test.name())) {
+ action = test;
+ break;
+ }
+ }
+
+ final double interval = section.getDouble(packetClassName.concat(".interval"));
+ final double rate = section.getDouble(packetClassName.concat(".max-packet-rate"));
+
+ if (interval > 0.0 && rate > 0.0) {
+ packetSpecificLimits.put((Class)packetClazz, new PacketLimit(interval, rate, action));
+ }
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/Connection.java
@@ -140,15 +33,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
// Paper end - allow controlled flushing
+ // Paper start - packet limiter
+ protected final Object PACKET_LIMIT_LOCK = new Object();
+ protected final io.papermc.paper.util.IntervalledCounter allPacketCounts = com.destroystokyo.paper.PaperConfig.allPacketsLimit != null ? new io.papermc.paper.util.IntervalledCounter(
+ (long)(com.destroystokyo.paper.PaperConfig.allPacketsLimit.packetLimitInterval * 1.0e9)
+ protected final @Nullable io.papermc.paper.util.IntervalledCounter allPacketCounts = io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.allPackets.isEnabled() ? new io.papermc.paper.util.IntervalledCounter(
+ (long)(io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.allPackets.interval() * 1.0e9)
+ ) : null;
+ protected final java.util.Map<Class<? extends net.minecraft.network.protocol.Packet<?>>, io.papermc.paper.util.IntervalledCounter> packetSpecificLimits = new java.util.HashMap<>();
+
+ private boolean stopReadingPackets;
+ private void killForPacketSpam() {
+ this.sendPacket(new ClientboundDisconnectPacket(org.bukkit.craftbukkit.util.CraftChatMessage.fromString(com.destroystokyo.paper.PaperConfig.kickMessage, true)[0]), (future) -> {
+ this.disconnect(org.bukkit.craftbukkit.util.CraftChatMessage.fromString(com.destroystokyo.paper.PaperConfig.kickMessage, true)[0]);
+ this.sendPacket(new ClientboundDisconnectPacket(org.bukkit.craftbukkit.util.CraftChatMessage.fromString(io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.kickMessage, true)[0]), (future) -> {
+ this.disconnect(org.bukkit.craftbukkit.util.CraftChatMessage.fromString(io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.kickMessage, true)[0]);
+ });
+ this.setReadOnly();
+ this.stopReadingPackets = true;
@@ -166,29 +59,29 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ return;
+ }
+ if (this.allPacketCounts != null ||
+ com.destroystokyo.paper.PaperConfig.packetSpecificLimits.containsKey(packet.getClass())) {
+ io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.overrides.containsKey(packet.getClass())) {
+ long time = System.nanoTime();
+ synchronized (PACKET_LIMIT_LOCK) {
+ if (this.allPacketCounts != null) {
+ this.allPacketCounts.updateAndAdd(1, time);
+ if (this.allPacketCounts.getRate() >= com.destroystokyo.paper.PaperConfig.allPacketsLimit.maxPacketRate) {
+ if (this.allPacketCounts.getRate() >= io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.allPackets.maxPacketRate()) {
+ this.killForPacketSpam();
+ return;
+ }
+ }
+
+ for (Class<?> check = packet.getClass(); check != Object.class; check = check.getSuperclass()) {
+ com.destroystokyo.paper.PaperConfig.PacketLimit packetSpecificLimit =
+ com.destroystokyo.paper.PaperConfig.packetSpecificLimits.get(check);
+ io.papermc.paper.configuration.GlobalConfiguration.PacketLimiter.PacketLimit packetSpecificLimit =
+ io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.overrides.get(check);
+ if (packetSpecificLimit == null) {
+ continue;
+ }
+ io.papermc.paper.util.IntervalledCounter counter = this.packetSpecificLimits.computeIfAbsent((Class)check, (clazz) -> {
+ return new io.papermc.paper.util.IntervalledCounter((long)(packetSpecificLimit.packetLimitInterval * 1.0e9));
+ return new io.papermc.paper.util.IntervalledCounter((long)(packetSpecificLimit.interval() * 1.0e9));
+ });
+ counter.updateAndAdd(1, time);
+ if (counter.getRate() >= packetSpecificLimit.maxPacketRate) {
+ switch (packetSpecificLimit.violateAction) {
+ if (counter.getRate() >= packetSpecificLimit.maxPacketRate()) {
+ switch (packetSpecificLimit.action()) {
+ case DROP:
+ return;
+ case KICK: