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Provide option to disable username validation (Closes #7250) (#7254)

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Shane Freeder 2022-01-02 12:51:22 +00:00 committed by GitHub
parent cee7e0df01
commit 503ac8f1cb
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 2 deletions
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21
patches/server/0842-Validate-usernames.patch
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@ -4,8 +4,25 @@ Date: Sat, 1 Jan 2022 05:19:37 -0800
Subject: [PATCH] Validate usernames
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index d5aa95846e7f52108a03e3731023527281b21d73..1d3cc8836d2ccbec4a8660f86501be35c76e8b0b 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -493,6 +493,12 @@ public class PaperConfig {
set("settings.unsupported-settings.allow-tnt-duplication", null);
}
+ public static boolean performUsernameValidation;
+ private static void performUsernameValidation() {
+ performUsernameValidation = getBoolean("settings.unsupported-settings.perform-username-validation", true);
+ }
+
+
public static int playerAutoSaveRate = -1;
public static int maxPlayerAutoSavePerTick = 10;
private static void playerAutoSaveRate() {
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index 33a29890435d6065a2cc4f8e8bf8209c01d5d114..96593919db8b140e55fe1a120c2835b679771e92 100644
index 33a29890435d6065a2cc4f8e8bf8209c01d5d114..462d8c36166c63a4dc8fa74ac7f82859e6f4b83a 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -230,10 +230,38 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
@ -37,7 +54,7 @@ index 33a29890435d6065a2cc4f8e8bf8209c01d5d114..96593919db8b140e55fe1a120c2835b6
Validate.validState(this.state == ServerLoginPacketListenerImpl.State.HELLO, "Unexpected hello packet", new Object[0]);
this.gameProfile = packet.getGameProfile();
+ // Paper start - validate usernames
+ if (com.destroystokyo.paper.PaperConfig.isProxyOnlineMode()) {
+ if (com.destroystokyo.paper.PaperConfig.isProxyOnlineMode() && com.destroystokyo.paper.PaperConfig.performUsernameValidation) {
+ if (!validateUsername(this.gameProfile.getName())) {
+ ServerLoginPacketListenerImpl.this.disconnect("Failed to verify username!");
+ return;