Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 02:50:09 +01:00
Add support for Velocity forwarding v2
This is strictly not needed, however, I wanted to write this in part to test the new forwarding logic, parsing and advertising the latest featureset is also not exactly a bad thing
Dieser Commit ist enthalten in:
Shane Freeder
Ursprung
9ad94dcbc4
Commit
c044b14efd
@ -15,10 +15,10 @@ login plugin message packet.
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diff --git a/src/main/java/com/destroystokyo/paper/proxy/VelocityProxy.java b/src/main/java/com/destroystokyo/paper/proxy/VelocityProxy.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..74b3265bba78491f462c15709a31bc44b4e4bea8
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index 0000000000000000000000000000000000000000..980e2b4dc308adf9a6cb2596b28eaeee65d629a8
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/proxy/VelocityProxy.java
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@@ -0,0 +1,66 @@
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@@ -0,0 +1,68 @@
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+package com.destroystokyo.paper.proxy;
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+
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+import io.papermc.paper.configuration.GlobalConfiguration;
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@ -34,9 +34,12 @@ index 0000000000000000000000000000000000000000..74b3265bba78491f462c15709a31bc44
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+import javax.crypto.spec.SecretKeySpec;
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+import net.minecraft.network.FriendlyByteBuf;
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+import net.minecraft.resources.ResourceLocation;
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+import net.minecraft.world.entity.player.ProfilePublicKey;
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+
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+public class VelocityProxy {
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+ private static final int SUPPORTED_FORWARDING_VERSION = 1;
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+ public static final int MODERN_FORWARDING_WITH_KEY = 2;
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+ public static final byte MAX_SUPPORTED_FORWARDING_VERSION = 2;
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+ public static final ResourceLocation PLAYER_INFO_CHANNEL = new ResourceLocation("velocity", "player_info");
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+
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+ public static boolean checkIntegrity(final FriendlyByteBuf buf) {
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@ -57,11 +60,6 @@ index 0000000000000000000000000000000000000000..74b3265bba78491f462c15709a31bc44
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+ throw new AssertionError(e);
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+ }
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+
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+ int version = buf.readVarInt();
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+ if (version != SUPPORTED_FORWARDING_VERSION) {
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+ throw new IllegalStateException("Unsupported forwarding version " + version + ", wanted " + SUPPORTED_FORWARDING_VERSION);
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+ }
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+
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+ return true;
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+ }
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+
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@ -84,9 +82,13 @@ index 0000000000000000000000000000000000000000..74b3265bba78491f462c15709a31bc44
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+ profile.getProperties().put(name, new Property(name, value, signature));
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+ }
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+ }
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+
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+ public static ProfilePublicKey.Data readForwardedKey(FriendlyByteBuf buf) {
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+ return new ProfilePublicKey.Data(buf);
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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index 1b075033f0640433341957f6e26ebe25f18928ee..b070624c7ee85b6692f1f44ded6c78139925b669 100644
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index 1b075033f0640433341957f6e26ebe25f18928ee..8b5eddce4845619603ccfeec158d97cb86568e0d 100644
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--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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@@ -69,6 +69,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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@ -97,14 +99,16 @@ index 1b075033f0640433341957f6e26ebe25f18928ee..b070624c7ee85b6692f1f44ded6c7813
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public ServerLoginPacketListenerImpl(MinecraftServer server, Connection connection) {
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this.state = ServerLoginPacketListenerImpl.State.HELLO;
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@@ -279,6 +280,14 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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@@ -279,6 +280,16 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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this.state = ServerLoginPacketListenerImpl.State.KEY;
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this.connection.send(new ClientboundHelloPacket("", this.server.getKeyPair().getPublic().getEncoded(), this.nonce));
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} else {
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+ // Paper start - Velocity support
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+ if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.velocity.enabled) {
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+ this.velocityLoginMessageId = java.util.concurrent.ThreadLocalRandom.current().nextInt();
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+ net.minecraft.network.protocol.login.ClientboundCustomQueryPacket packet1 = new net.minecraft.network.protocol.login.ClientboundCustomQueryPacket(this.velocityLoginMessageId, com.destroystokyo.paper.proxy.VelocityProxy.PLAYER_INFO_CHANNEL, new net.minecraft.network.FriendlyByteBuf(io.netty.buffer.Unpooled.EMPTY_BUFFER));
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+ net.minecraft.network.FriendlyByteBuf buf = new net.minecraft.network.FriendlyByteBuf(io.netty.buffer.Unpooled.buffer());
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+ buf.writeByte(com.destroystokyo.paper.proxy.VelocityProxy.MAX_SUPPORTED_FORWARDING_VERSION);
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+ net.minecraft.network.protocol.login.ClientboundCustomQueryPacket packet1 = new net.minecraft.network.protocol.login.ClientboundCustomQueryPacket(this.velocityLoginMessageId, com.destroystokyo.paper.proxy.VelocityProxy.PLAYER_INFO_CHANNEL, buf);
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+ this.connection.send(packet1);
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+ return;
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+ }
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@ -112,7 +116,7 @@ index 1b075033f0640433341957f6e26ebe25f18928ee..b070624c7ee85b6692f1f44ded6c7813
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// Spigot start
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// Paper start - Cache authenticator threads
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authenticatorPool.execute(new Runnable() {
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@@ -388,6 +397,12 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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@@ -388,6 +399,12 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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public class LoginHandler {
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public void fireEvents() throws Exception {
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@ -125,7 +129,7 @@ index 1b075033f0640433341957f6e26ebe25f18928ee..b070624c7ee85b6692f1f44ded6c7813
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String playerName = ServerLoginPacketListenerImpl.this.gameProfile.getName();
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java.net.InetAddress address = ((java.net.InetSocketAddress) ServerLoginPacketListenerImpl.this.connection.getRemoteAddress()).getAddress();
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java.util.UUID uniqueId = ServerLoginPacketListenerImpl.this.gameProfile.getId();
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@@ -435,6 +450,40 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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@@ -435,6 +452,58 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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// Spigot end
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public void handleCustomQueryPacket(ServerboundCustomQueryPacket packet) {
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@ -142,6 +146,11 @@ index 1b075033f0640433341957f6e26ebe25f18928ee..b070624c7ee85b6692f1f44ded6c7813
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+ return;
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+ }
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+
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+ int version = buf.readVarInt();
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+ if (version > com.destroystokyo.paper.proxy.VelocityProxy.MAX_SUPPORTED_FORWARDING_VERSION) {
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+ throw new IllegalStateException("Unsupported forwarding version " + version + ", wanted upto " + com.destroystokyo.paper.proxy.VelocityProxy.MAX_SUPPORTED_FORWARDING_VERSION);
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+ }
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+
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+ java.net.SocketAddress listening = this.connection.getRemoteAddress();
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+ int port = 0;
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+ if (listening instanceof java.net.InetSocketAddress) {
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@ -151,6 +160,19 @@ index 1b075033f0640433341957f6e26ebe25f18928ee..b070624c7ee85b6692f1f44ded6c7813
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+
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+ this.gameProfile = com.destroystokyo.paper.proxy.VelocityProxy.createProfile(buf);
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+
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+ // We should already have this, but, we'll read it out anyway
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+ //noinspection NonStrictComparisonCanBeEquality
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+ if (version >= com.destroystokyo.paper.proxy.VelocityProxy.MODERN_FORWARDING_WITH_KEY) {
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+ final ProfilePublicKey.Data forwardedKey = com.destroystokyo.paper.proxy.VelocityProxy.readForwardedKey(buf);
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+ if (this.playerProfilePublicKey == null) {
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+ try {
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+ this.playerProfilePublicKey = ProfilePublicKey.createValidated(this.server.getServiceSignatureValidator(), forwardedKey);
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+ } catch (CryptException e) {
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+ this.disconnect("Unable to validate forwarded player key");
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+ }
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+ }
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+ }
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+
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+ // Proceed with login
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+ authenticatorPool.execute(() -> {
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+ try {
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@ -5,10 +5,10 @@ Subject: [PATCH] Add raw address to AsyncPlayerPreLoginEvent
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diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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index 25d96d74a656765c92e8df0bb8563947f5587f3b..3f3210fa043bee7e3a0f794e58dcba6c317e2de7 100644
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index 000ee7e12a1c756e065e99ebdbcf4a51047ec4d3..2d718967cacad744a4fe1ee7cf48e613172e1b03 100644
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--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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@@ -410,12 +410,13 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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@@ -412,12 +412,13 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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// Paper end
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String playerName = ServerLoginPacketListenerImpl.this.gameProfile.getName();
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java.net.InetAddress address = ((java.net.InetSocketAddress) ServerLoginPacketListenerImpl.this.connection.getRemoteAddress()).getAddress();
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@ -341,10 +341,10 @@ index 9e7154c9df96d5a0577886d43a98a73626a8f189..af3e70920221b6bd127bb3aed7f1e0a7
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protected void initChannel(Channel channel) {
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try {
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diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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index 3f3210fa043bee7e3a0f794e58dcba6c317e2de7..1a0a8ac23b320b680f475d2b6c679e21f6997edb 100644
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index 2d718967cacad744a4fe1ee7cf48e613172e1b03..5064ea6767ce17dde271e80f4360549462f6cca0 100644
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--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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@@ -338,12 +338,14 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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@@ -340,12 +340,14 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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}
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SecretKey secretkey = packet.getSecretKey(privatekey);
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@ -5,10 +5,10 @@ Subject: [PATCH] Added getHostname to AsyncPlayerPreLoginEvent
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diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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index f18c24266eecdc3d108c6523da6b75985bba291a..89f8690848db712f382d1a1e5b75053262d991ac 100644
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index 55b7e18507eb68d66b107a1716df948040e659d6..07fa94cc67225d6398634c450d6800d609fdb3fb 100644
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--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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@@ -450,7 +450,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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@@ -452,7 +452,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
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// Paper start
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com.destroystokyo.paper.profile.PlayerProfile profile = com.destroystokyo.paper.profile.CraftPlayerProfile.asBukkitMirror(ServerLoginPacketListenerImpl.this.gameProfile);
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