Waterfall/Waterfall-Proxy-Patches/0028-InitialHandler-Processing-State.patch
2022-04-22 19:05:34 -03:00

86 lines
4.2 KiB
Diff

From 2955e7fb79cc4a078a7290263cf86e2da94381f8 Mon Sep 17 00:00:00 2001
From: LinsaFTW <25271111+linsaftw@users.noreply.github.com>
Date: Fri, 25 Feb 2022 12:28:31 -0300
Subject: [PATCH] InitialHandler Processing State
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 d1a06397..0a09f92c 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
@@ -130,12 +130,12 @@ public class InitialHandler extends PacketHandler implements PendingConnection
private enum State
{
- HANDSHAKE, STATUS, PING, USERNAME, ENCRYPT, FINISHING;
+ PROCESSING, PROCESSING_USERNAME, HANDSHAKE, STATUS, PING, USERNAME, ENCRYPT, FINISHING;
}
private boolean canSendKickMessage()
{
- return thisState == State.USERNAME || thisState == State.ENCRYPT || thisState == State.FINISHING;
+ return thisState == State.PROCESSING_USERNAME || thisState == State.USERNAME || thisState == State.ENCRYPT || thisState == State.FINISHING;
}
@Override
@@ -250,6 +250,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
public void handle(StatusRequest statusRequest) throws Exception
{
Preconditions.checkState( thisState == State.STATUS, "Not expecting STATUS" );
+ thisState = State.PROCESSING;
ServerInfo forced = AbstractReconnectHandler.getForcedHost( this );
final int protocol = ( ProtocolConstants.SUPPORTED_VERSION_IDS.contains( handshake.getProtocolVersion() ) ) ? handshake.getProtocolVersion() : bungee.getProtocolVersion();
@@ -372,6 +373,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
{
// FlameCord - Never accept invalid packets
Preconditions.checkState( thisState == State.PING, "Not expecting PING" );
+ thisState = State.PROCESSING;
unsafe.sendPacket( ping );
@@ -383,6 +385,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
public void handle(Handshake handshake) throws Exception
{
Preconditions.checkState( thisState == State.HANDSHAKE, "Not expecting HANDSHAKE" );
+ thisState = State.PROCESSING;
this.handshake = handshake;
ch.setVersion( handshake.getProtocolVersion() );
@@ -455,6 +458,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
public void handle(LoginRequest loginRequest) throws Exception
{
Preconditions.checkState( thisState == State.USERNAME, "Not expecting USERNAME" );
+ thisState = State.PROCESSING_USERNAME;
if ( !AllowedCharacters.isValidName( loginRequest.getData(), onlineMode ) )
{
@@ -513,6 +517,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
public void handle(final EncryptionResponse encryptResponse) throws Exception
{
Preconditions.checkState( thisState == State.ENCRYPT, "Not expecting ENCRYPT" );
+ thisState = State.PROCESSING;
SecretKey sharedKey = EncryptionUtil.getSecret( encryptResponse, request );
// Waterfall start
@@ -740,14 +745,14 @@ public class InitialHandler extends PacketHandler implements PendingConnection
@Override
public void setOnlineMode(boolean onlineMode)
{
- Preconditions.checkState( thisState == State.USERNAME, "Can only set online mode status whilst state is username" );
+ Preconditions.checkState( thisState == State.USERNAME || thisState == State.PROCESSING_USERNAME, "Can only set online mode status whilst state is username" );
this.onlineMode = onlineMode;
}
@Override
public void setUniqueId(UUID uuid)
{
- Preconditions.checkState( thisState == State.USERNAME, "Can only set uuid while state is username" );
+ Preconditions.checkState( thisState == State.USERNAME || thisState == State.PROCESSING_USERNAME, "Can only set uuid while state is username" );
// FlameCord - Allow custom uuids even if onlineMode is true
this.uniqueId = uuid;
}
--
2.32.0