From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: kashike Date: Wed, 13 Apr 2016 20:21:38 -0700 Subject: [PATCH] Add handshake event to allow plugins to handle client handshaking logic themselves diff --git a/src/main/java/net/minecraft/server/network/HandshakeListener.java b/src/main/java/net/minecraft/server/network/HandshakeListener.java index 9b24afa4f4fe41d2261b16aaecec2144ac7d049f..5047a742d2e6a9749aa7d37e761d023a3425944b 100644 --- a/src/main/java/net/minecraft/server/network/HandshakeListener.java +++ b/src/main/java/net/minecraft/server/network/HandshakeListener.java @@ -29,7 +29,7 @@ public class HandshakeListener implements PacketHandshakingInListener { // CraftBukkit end private static final IChatBaseComponent a = new ChatComponentText("Ignoring status request"); private final MinecraftServer b; - private final NetworkManager c; + private final NetworkManager c; final NetworkManager getNetworkManager() { return this.c; } // Paper - OBFHELPER public HandshakeListener(MinecraftServer minecraftserver, NetworkManager networkmanager) { this.b = minecraftserver; @@ -88,8 +88,34 @@ public class HandshakeListener implements PacketHandshakingInListener { this.c.close(chatmessage); } else { this.c.setPacketListener(new LoginListener(this.b, this.c)); + // Paper start - handshake event + boolean proxyLogicEnabled = org.spigotmc.SpigotConfig.bungee; + boolean handledByEvent = false; + // Try and handle the handshake through the event + if (com.destroystokyo.paper.event.player.PlayerHandshakeEvent.getHandlerList().getRegisteredListeners().length != 0) { // Hello? Can you hear me? + java.net.InetSocketAddress socketAddress = (java.net.InetSocketAddress) this.getNetworkManager().socketAddress; + com.destroystokyo.paper.event.player.PlayerHandshakeEvent event = new com.destroystokyo.paper.event.player.PlayerHandshakeEvent(packethandshakinginsetprotocol.hostname, socketAddress.getAddress().getHostAddress(), !proxyLogicEnabled); + if (event.callEvent()) { + // If we've failed somehow, let the client know so and go no further. + if (event.isFailed()) { + chatmessage = new ChatMessage(event.getFailMessage()); + this.getNetworkManager().sendPacket(new PacketLoginOutDisconnect(chatmessage)); + this.getNetworkManager().close(chatmessage); + return; + } + + if (event.getServerHostname() != null) packethandshakinginsetprotocol.hostname = event.getServerHostname(); + if (event.getSocketAddressHostname() != null) this.getNetworkManager().socketAddress = new java.net.InetSocketAddress(event.getSocketAddressHostname(), socketAddress.getPort()); + this.getNetworkManager().spoofedUUID = event.getUniqueId(); + this.getNetworkManager().spoofedProfile = gson.fromJson(event.getPropertiesJson(), com.mojang.authlib.properties.Property[].class); + handledByEvent = true; // Hooray, we did it! + } + } + // Don't try and handle default logic if it's been handled by the event. + if (!handledByEvent && proxyLogicEnabled) { + // Paper end // Spigot Start - if (org.spigotmc.SpigotConfig.bungee) { + //if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above! String[] split = packethandshakinginsetprotocol.hostname.split("\00"); if ( ( split.length == 3 || split.length == 4 ) && ( HOST_PATTERN.matcher( split[1] ).matches() ) ) { packethandshakinginsetprotocol.hostname = split[0];