Add sudo password verification success message prompt

v2rayN/ServiceLib/Handler/CoreAdminHandler.cs

@@ -9,6 +9,7 @@ public class CoreAdminHandler
     private static readonly Lazy<CoreAdminHandler> _instance = new(() => new());
     public static CoreAdminHandler Instance => _instance.Value;
     private Config _config;
+    private readonly string _sudoAccessText = "SUDO_ACCESS_VERIFIED";
     private Action<bool, string>? _updateFunc;
     private int _linuxSudoPid = -1;
 
@@ -50,27 +51,30 @@ public class CoreAdminHandler
             }
         };
 
-        proc.OutputDataReceived += (sender, e) =>
-        {
-            if (e.Data.IsNotEmpty())
-            {
-                UpdateFunc(false, e.Data + Environment.NewLine);
-            }
-        };
-        proc.ErrorDataReceived += (sender, e) =>
+        var sudoVerified = false;
+        DataReceivedEventHandler dataHandler = (sender, e) =>
         {
             if (e.Data.IsNotEmpty())
             {
+                if (!sudoVerified && e.Data.Contains(_sudoAccessText))
+                {
+                    sudoVerified = true;
+                    UpdateFunc(false, ResUI.SudoPwdVerfiedSuccessTip + Environment.NewLine);
+                    return;
+                }
                 UpdateFunc(false, e.Data + Environment.NewLine);
             }
         };
 
+        proc.OutputDataReceived += dataHandler;
+        proc.ErrorDataReceived += dataHandler;
+
         proc.Start();
         proc.BeginOutputReadLine();
         proc.BeginErrorReadLine();
 
         await Task.Delay(10);
-        await proc.StandardInput.WriteLineAsync();
+        await proc.StandardInput.WriteLineAsync(AppHandler.Instance.LinuxSudoPwd);
         await Task.Delay(10);
         await proc.StandardInput.WriteLineAsync(AppHandler.Instance.LinuxSudoPwd);
 
@@ -115,7 +119,7 @@ public class CoreAdminHandler
         }
         else
         {
-            sb.AppendLine($"sudo -S {cmdLine}");
+            sb.AppendLine($"sudo -S echo \"{_sudoAccessText}\" && sudo -S {cmdLine}");
         }
 
         await File.WriteAllTextAsync(shFilePath, sb.ToString());