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Update Velocity modern forwarding reading

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This commit is contained in:
Nassim Jahnke 2022-12-08 12:16:44 +01:00
parent 4074d4ee99
commit 12fee1cf81
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GPG Key ID: 6BE3B555EBC5982B
1 changed files with 13 additions and 25 deletions
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26
patches/server/0884-Add-Velocity-IP-Forwarding-Support.patch
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@ -15,10 +15,10 @@ login plugin message packet.
diff --git a/src/main/java/com/destroystokyo/paper/proxy/VelocityProxy.java b/src/main/java/com/destroystokyo/paper/proxy/VelocityProxy.java
new file mode 100644
index 0000000000000000000000000000000000000000..5de2dabbc076a9482b1d6c299f1cff74313af74e
index 0000000000000000000000000000000000000000..c4934979b1ed85bfc4f8d9e6f8848b2beaad95c3
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/proxy/VelocityProxy.java
@@ -0,0 +1,74 @@
@@ -0,0 +1,75 @@
+package com.destroystokyo.paper.proxy;
+
+import io.papermc.paper.configuration.GlobalConfiguration;
@ -41,7 +41,8 @@ index 0000000000000000000000000000000000000000..5de2dabbc076a9482b1d6c299f1cff74
+ private static final int SUPPORTED_FORWARDING_VERSION = 1;
+ public static final int MODERN_FORWARDING_WITH_KEY = 2;
+ public static final int MODERN_FORWARDING_WITH_KEY_V2 = 3;
+ public static final byte MAX_SUPPORTED_FORWARDING_VERSION = MODERN_FORWARDING_WITH_KEY_V2;
+ public static final int MODERN_LAZY_SESSION = 4;
+ public static final byte MAX_SUPPORTED_FORWARDING_VERSION = MODERN_LAZY_SESSION;
+ public static final ResourceLocation PLAYER_INFO_CHANNEL = new ResourceLocation("velocity", "player_info");
+
+ public static boolean checkIntegrity(final FriendlyByteBuf buf) {
@ -94,7 +95,7 @@ index 0000000000000000000000000000000000000000..5de2dabbc076a9482b1d6c299f1cff74
+ }
+}
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index d2cba3fb9eb0d344b71c79387d1d160596b1dc62..9c6473beae78cd6e173e28335e6b06f878b162a9 100644
index d2cba3fb9eb0d344b71c79387d1d160596b1dc62..56210ac6b9525b025b1091a4b42df0f0e99bd859 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -61,6 +61,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
@ -135,7 +136,7 @@ index d2cba3fb9eb0d344b71c79387d1d160596b1dc62..9c6473beae78cd6e173e28335e6b06f8
String playerName = ServerLoginPacketListenerImpl.this.gameProfile.getName();
java.net.InetAddress address = ((java.net.InetSocketAddress) ServerLoginPacketListenerImpl.this.connection.getRemoteAddress()).getAddress();
java.net.InetAddress rawAddress = ((java.net.InetSocketAddress) connection.getRawAddress()).getAddress(); // Paper
@@ -411,6 +428,60 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
@@ -411,6 +428,47 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
// Spigot end
public void handleCustomQueryPacket(ServerboundCustomQueryPacket packet) {
@ -166,20 +167,7 @@ index d2cba3fb9eb0d344b71c79387d1d160596b1dc62..9c6473beae78cd6e173e28335e6b06f8
+
+ this.gameProfile = com.destroystokyo.paper.proxy.VelocityProxy.createProfile(buf);
+
+ // We should already have this, but, we'll read it out anyway
+ //noinspection NonStrictComparisonCanBeEquality
+ if (version >= com.destroystokyo.paper.proxy.VelocityProxy.MODERN_FORWARDING_WITH_KEY_V2) {
+ final ProfilePublicKey.Data forwardedKeyData = com.destroystokyo.paper.proxy.VelocityProxy.readForwardedKey(buf);
+ final UUID signer = com.destroystokyo.paper.proxy.VelocityProxy.readSignerUuidOrElse(buf, this.gameProfile.getId());
+ if (this.profilePublicKeyData == null) {
+ try {
+ ServerLoginPacketListenerImpl.validatePublicKey(forwardedKeyData, signer, this.server.getServiceSignatureValidator(), this.server.enforceSecureProfile());
+ this.profilePublicKeyData = forwardedKeyData;
+ } catch (ProfilePublicKey.ValidationException err) {
+ this.disconnect("Unable to validate forwarded player key");
+ }
+ }
+ }
+ //TODO Update handling for lazy sessions, might not even have to do anything?
+
+ // Proceed with login
+ authenticatorPool.execute(() -> {