Add protection to timeout exploit

src/Managers/NetworkManager.cs

@@ -199,8 +199,6 @@ internal static class NetworkManager
                 HandleInvalidTag(reader);
                 break;
         }
-
-        yield break;
     }
 
     /// <summary>

src/Network/Configs/BAUUpdateData.cs

@@ -144,7 +144,6 @@ internal sealed class BAUUpdateData
         {
             yield return null;
         }
-        yield break;
     }
 
     /// <summary>

src/Patches/Gameplay/Anticheat/CheckPlayerLevelPatch.cs

@@ -6,7 +6,7 @@ using HarmonyLib;
 namespace BetterAmongUs.Patches.Gameplay.Anticheat;
 
 [HarmonyPatch]
-internal class CheckPlayerLevelPatch
+internal static class CheckPlayerLevelPatch
 {
     [HarmonyPatch(typeof(PlayerControl), nameof(PlayerControl.FixedUpdate))]
     [HarmonyPostfix]

src/Patches/Gameplay/Anticheat/InitializePlayerTimeoutPatch.cs

@@ -0,0 +1,57 @@
+using BepInEx.Unity.IL2CPP.Utils.Collections;
+using BetterAmongUs.Generated;
+using BetterAmongUs.Modules;
+using BetterAmongUs.Utilities;
+using HarmonyLib;
+using System.Collections;
+
+namespace BetterAmongUs.Patches.Gameplay.Anticheat;
+
+[HarmonyPatch]
+internal static class InitializePlayerTimeoutPatch
+{
+    [HarmonyPatch(typeof(PlayerControl), nameof(PlayerControl.ClientInitialize))]
+    [HarmonyPostfix]
+    private static void PlayerControl_ClientInitialize_Postfix(PlayerControl __instance, ref Il2CppSystem.Collections.IEnumerator __result)
+    {
+        __result = CoClientInitialize(__instance, __result).WrapToIl2Cpp();
+    }
+
+    private static IEnumerator CoClientInitialize(PlayerControl player, Il2CppSystem.Collections.IEnumerator original)
+    {
+        player.Visible = false;
+        bool exit = false;
+        yield return player.AssertWithTimeout((Func<bool>)(() => GameData.Instance != null && player.Data != null && !player.Data.IsIncomplete), (Action)(() =>
+        {
+            if (GameState.IsHost)
+            {
+                player.Kick(true, TranslationStrings.AntiCheat_Reason_Initialize.LocalizedString, true, forceBan: true);
+            }
+            else
+            {
+                if (GameData.Instance != null && player.Data != null)
+                {
+                    var outfit = player.Data.DefaultOutfit;
+                    outfit.PlayerName = TranslationStrings.Player_Loading.LocalizedString;
+                    outfit.HatId = HatData.EmptyId;
+                    outfit.VisorId = VisorData.EmptyId;
+                    outfit.SkinId = SkinData.EmptyId;
+                    outfit.PetId = PetData.EmptyId;
+                    outfit.NamePlateId = NamePlateData.EmptyId;
+                    outfit.ColorId = 18;
+                }
+                else
+                {
+                    exit = true;
+                }
+            }
+        }), 25f);
+
+        if (exit)
+        {
+            yield break;
+        }
+
+        yield return original;
+    }
+}

src/Patches/Gameplay/Anticheat/PlatformSpoofPatch.cs

@@ -14,7 +14,7 @@ using UnityEngine;
 namespace BetterAmongUs.Patches.Gameplay.Anticheat;
 
 [HarmonyPatch]
-internal class PlatformSpoofPatch
+internal static class PlatformSpoofPatch
 {
     [HarmonyPatch(typeof(PlatformSpecificData), nameof(PlatformSpecificData.Deserialize))]
     [HarmonyPostfix]

src/Resources/Lang/en_US.json

@@ -137,6 +137,7 @@
   "AntiCheat.Reason.PlatformSpoofer": "Platform Spoofer",
   "AntiCheat.Reason.RPCSentPS": "RPC Spam",
   "AntiCheat.Reason.VoteKick": "Vote Kick Exploit",
+  "AntiCheat.Reason.Initialize": "Failed To Initialize Player",
   "AntiCheat.Reason.SickoMenuUser": "Known Sicko User",
   "AntiCheat.Reason.AUMUser": "Known AUM User",
   "AntiCheat.Reason.KNUser": "Known KN User",

src/build/Generated/TranslationStrings.cs

@@ -673,6 +673,11 @@ public static class TranslationStrings
     /// </summary>
     public static readonly TranslationString AntiCheat_Reason_VoteKick = new("AntiCheat.Reason.VoteKick");
 
+    /// <summary>
+    /// Base Translation: Failed To Initialize Player
+    /// </summary>
+    public static readonly TranslationString AntiCheat_Reason_Initialize = new("AntiCheat.Reason.Initialize");
+
     /// <summary>
     /// Base Translation: Known Sicko User
     /// </summary>