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Update modern forwarding to v3 (#8219)

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This commit is contained in:
FivePB (Xer) 2022-08-08 15:25:41 +00:00
commit eb5b0d0edf
3 changed files with 17 additions and 10 deletions
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23
patches/server/Add-Velocity-IP-Forwarding-Support.patch
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@ -29,6 +29,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+import java.security.InvalidKeyException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.UUID;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
@ -39,7 +40,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+public class VelocityProxy {
+ private static final int SUPPORTED_FORWARDING_VERSION = 1;
+ public static final int MODERN_FORWARDING_WITH_KEY = 2;
+ public static final byte MAX_SUPPORTED_FORWARDING_VERSION = 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 ResourceLocation PLAYER_INFO_CHANNEL = new ResourceLocation("velocity", "player_info");
+
+ public static boolean checkIntegrity(final FriendlyByteBuf buf) {
@ -86,15 +88,19 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ public static ProfilePublicKey.Data readForwardedKey(FriendlyByteBuf buf) {
+ return new ProfilePublicKey.Data(buf);
+ }
+
+ public static UUID readSignerUuidOrElse(FriendlyByteBuf buf, UUID orElse) {
+ return buf.readBoolean() ? buf.readUUID() : orElse;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerLoginPacketListenerImpl implements TickablePacketListener, Se
@Nullable
private ProfilePublicKey.Data profilePublicKeyData;
public String hostname = ""; // CraftBukkit - add field
public boolean iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation = false; // Paper - username validation overriding
+ private int velocityLoginMessageId = -1; // Paper - Velocity support
public ServerLoginPacketListenerImpl(MinecraftServer server, Connection connection) {
@ -128,7 +134,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ // Paper end
String playerName = ServerLoginPacketListenerImpl.this.gameProfile.getName();
java.net.InetAddress address = ((java.net.InetSocketAddress) ServerLoginPacketListenerImpl.this.connection.getRemoteAddress()).getAddress();
java.util.UUID uniqueId = ServerLoginPacketListenerImpl.this.gameProfile.getId();
java.net.InetAddress rawAddress = ((java.net.InetSocketAddress) connection.getRawAddress()).getAddress(); // Paper
@@ -0,0 +0,0 @@ public class ServerLoginPacketListenerImpl implements TickablePacketListener, Se
// Spigot end
@ -162,13 +168,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+
+ // 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) {
+ final ProfilePublicKey.Data forwardedKey = com.destroystokyo.paper.proxy.VelocityProxy.readForwardedKey(buf);
+ 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 {
+ ProfilePublicKey.createValidated(this.server.getServiceSignatureValidator(), this.gameProfile.getId(), forwardedKey, Duration.ZERO);
+ this.profilePublicKeyData = forwardedKey;
+ } catch (ProfilePublicKey.ValidationException e) {
+ 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");
+ }
+ }