Add Velocity IP forwarding support (#1557)

While Velocity supports BungeeCord-style IP forwarding, it is not secure. Users
have a lot of problems setting up firewalls or setting up plugins like IPWhitelist.
Further, the BungeeCord IP forwarding protocol still retains essentially its original
form, when there is brand new support for custom login plugin messages in 1.13.

Velocity's modern IP forwarding uses an HMAC-SHA256 code to ensure authenticity
of messages, is packed into a binary format that is smaller than BungeeCord's
forwarding, and is integrated into the Minecraft login process by using the 1.13
login plugin message packet.
This commit is contained in:
Andrew Steinborn
2018-10-18 20:44:59 -04:00
parent 99cd22a793
commit 344d299d69
27 changed files with 450 additions and 148 deletions

View File

@@ -15,7 +15,7 @@ decisions on behalf of the project.
diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java
new file mode 100644
index 0000000000..e257d6b36e
index 000000000..e257d6b36
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/Metrics.java
@@ -0,0 +0,0 @@
@@ -647,12 +647,12 @@ index 0000000000..e257d6b36e
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 812a04204c..581105dce8 100644
index cde8ec432..87a7b6980 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -0,0 +0,0 @@ public class PaperConfig {
static Map<String, Command> commands;
private static boolean verbose;
private static boolean fatalError;
/*========================================================================*/
+ private static boolean metricsStarted;
@@ -671,7 +671,7 @@ index 812a04204c..581105dce8 100644
static void readConfig(Class<?> clazz, Object instance) {
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index 9b40db46c2..9dca5aeda1 100644
index 9b40db46c..9dca5aeda 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -0,0 +0,0 @@ public class SpigotConfig