diff options
Diffstat (limited to 'patches/server/0895-Do-not-accept-invalid-client-settings.patch')
| -rw-r--r-- | patches/server/0895-Do-not-accept-invalid-client-settings.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/patches/server/0895-Do-not-accept-invalid-client-settings.patch b/patches/server/0895-Do-not-accept-invalid-client-settings.patch new file mode 100644 index 0000000000..7b5e08d12c --- /dev/null +++ b/patches/server/0895-Do-not-accept-invalid-client-settings.patch @@ -0,0 +1,24 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Spottedleaf <[email protected]> +Date: Sat, 7 May 2022 14:58:53 -0700 +Subject: [PATCH] Do not accept invalid client settings + + +diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +index 9f574e4425e73826b969302cf85025fc63b66f4a..c5278cc28eaba16d6adc31fc5f276e0c972fd8dc 100644 +--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java ++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +@@ -3571,6 +3571,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic + @Override + public void handleClientInformation(ServerboundClientInformationPacket packet) { + PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel()); ++ // Paper start - do not accept invalid information ++ if (packet.viewDistance() < 0) { ++ LOGGER.warn("Disconnecting " + this.player.getScoreboardName() + " for invalid view distance: " + packet.viewDistance()); ++ this.disconnect("Invalid client settings", PlayerKickEvent.Cause.ILLEGAL_ACTION); ++ return; ++ } ++ // Paper end - do not accept invalid information + this.player.updateOptions(packet); + } + |