From ec7e0978d30ccddc920108037754f5c71dcd47ef Mon Sep 17 00:00:00 2001
From: Leonmmcoset <testmod@qq.com>
Date: Sat, 28 Feb 2026 19:39:48 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E8=AE=BE=E7=BD=AE=E9=A1=B9Ma?=
 =?UTF-8?q?xLoginAttempts=EF=BC=88=E9=BB=98=E8=AE=A43=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 BuildTime.txt                            |  2 +-
 GitCommit.txt                            |  2 +-
 Settings/Settings.cs                     | 23 ++++++++++++++++++-
 System/Process.cs                        |  2 +-
 System/UserSystem.cs                     | 28 +++++++++++++++++++++++-
 shell/Commands/System/SettingsCommand.cs | 12 ++++++++++
 6 files changed, 64 insertions(+), 5 deletions(-)

diff --git a/BuildTime.txt b/BuildTime.txt
index e206e17..738e3e0 100644
--- a/BuildTime.txt
+++ b/BuildTime.txt
@@ -1 +1 @@
-2026-02-28 19:13:47
\ No newline at end of file
+2026-02-28 19:35:58
\ No newline at end of file
diff --git a/GitCommit.txt b/GitCommit.txt
index 1ecd060..02e284d 100644
--- a/GitCommit.txt
+++ b/GitCommit.txt
@@ -1 +1 @@
-58df162
\ No newline at end of file
+c5fc081
\ No newline at end of file
diff --git a/Settings/Settings.cs b/Settings/Settings.cs
index fc409fa..b94db6e 100644
--- a/Settings/Settings.cs
+++ b/Settings/Settings.cs
@@ -11,7 +11,8 @@ namespace CMLeonOS.Settings
         
         private static Dictionary<string, string> defaultSettings = new Dictionary<string, string>
         {
-            { "LoggerEnabled", "true" }
+            { "LoggerEnabled", "true" },
+            { "MaxLoginAttempts", "3" }
         };
 
         public static bool LoggerEnabled
@@ -31,6 +32,26 @@ namespace CMLeonOS.Settings
             }
         }
 
+        public static int MaxLoginAttempts
+        {
+            get
+            {
+                if (settings.TryGetValue("MaxLoginAttempts", out string value))
+                {
+                    if (int.TryParse(value, out int result))
+                    {
+                        return result;
+                    }
+                }
+                return 3;
+            }
+            set
+            {
+                settings["MaxLoginAttempts"] = value.ToString();
+                SaveSettings();
+            }
+        }
+
         public static void LoadSettings()
         {
             settings.Clear();
diff --git a/System/Process.cs b/System/Process.cs
index fe75121..1f6e2eb 100644
--- a/System/Process.cs
+++ b/System/Process.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using Sys = Cosmos.System;
 
diff --git a/System/UserSystem.cs b/System/UserSystem.cs
index 197d5a1..beba310 100644
--- a/System/UserSystem.cs
+++ b/System/UserSystem.cs
@@ -6,6 +6,7 @@ using System.Text;
 using System.Threading;
 using Sys = Cosmos.System;
 using CMLeonOS.Logger;
+using CMLeonOS.Settings;
 
 namespace CMLeonOS
 {
@@ -25,6 +26,7 @@ namespace CMLeonOS
         public bool fixmode = Kernel.FixMode;
         private User currentLoggedInUser;
         private static CMLeonOS.Logger.Logger _logger = CMLeonOS.Logger.Logger.Instance;
+        private Dictionary<string, int> loginAttempts = new Dictionary<string, int>();
 
         public User CurrentLoggedInUser
         {
@@ -593,13 +595,37 @@ namespace CMLeonOS
 
             if (foundUser.Password != hashedInputPassword)
             {
+                string usernameLower = username.ToLower();
+                
+                if (!loginAttempts.ContainsKey(usernameLower))
+                {
+                    loginAttempts[usernameLower] = 0;
+                }
+                
+                loginAttempts[usernameLower]++;
+                int attempts = loginAttempts[usernameLower];
+                int maxAttempts = Settings.SettingsManager.MaxLoginAttempts;
+                
+                if (attempts >= maxAttempts)
+                {
+                    CMLeonOS.UI.TUIHelper.SetColors(global::System.ConsoleColor.Red, global::System.ConsoleColor.Black);
+                    global::System.Console.SetCursorPosition(17, 24);
+                    global::System.Console.Write($"Maximum login attempts ({maxAttempts}) reached.  ");
+                    global::System.Console.SetCursorPosition(17, 25);
+                    global::System.Console.Write("Please restart to enter password again. ");
+                    global::System.Threading.Thread.Sleep(3000);
+                    Sys.Power.Reboot();
+                }
+                
                 CMLeonOS.UI.TUIHelper.SetColors(global::System.ConsoleColor.Red, global::System.ConsoleColor.Black);
                 global::System.Console.SetCursorPosition(17, 24);
-                global::System.Console.Write("Invalid password.                           ");
+                global::System.Console.Write($"Invalid password. Attempts: {attempts}/{maxAttempts}  ");
                 global::System.Threading.Thread.Sleep(1000);
                 return false;
             }
 
+            loginAttempts.Remove(username.ToLower());
+
             CMLeonOS.UI.TUIHelper.SetColors(global::System.ConsoleColor.Green, global::System.ConsoleColor.Black);
             global::System.Console.SetCursorPosition(17, 24);
             global::System.Console.Write("Login successful!                           ");
diff --git a/shell/Commands/System/SettingsCommand.cs b/shell/Commands/System/SettingsCommand.cs
index f9ec4bc..31d8a86 100644
--- a/shell/Commands/System/SettingsCommand.cs
+++ b/shell/Commands/System/SettingsCommand.cs
@@ -58,6 +58,18 @@ namespace CMLeonOS.Commands
                         Console.WriteLine("Error: LoggerEnabled must be 'true' or 'false'");
                     }
                 }
+                else if (key.ToLower() == "maxloginattempts")
+                {
+                    if (int.TryParse(value, out int attempts) && attempts > 0)
+                    {
+                        SettingsManager.MaxLoginAttempts = attempts;
+                        Console.WriteLine($"MaxLoginAttempts set to {attempts}");
+                    }
+                    else
+                    {
+                        Console.WriteLine("Error: MaxLoginAttempts must be a positive integer");
+                    }
+                }
                 else
                 {
                     SettingsManager.SetSetting(key, value);