initial commit

2026-08-27 10:55:23 -06:00
commit d03dc0bce1
356 changed files with 18535 additions and 0 deletions
@@ -0,0 +1,110 @@
+using System;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices;
+
+namespace Intelix.Helper;
+
+public static class ImpersonationHelper
+{
+	private class ImpersonationContext : IDisposable
+	{
+		public void Dispose()
+		{
+			NativeMethods.RevertToSelf();
+		}
+	}
+
+	private const uint TOKEN_DUPLICATE = 2u;
+
+	private const uint TOKEN_IMPERSONATE = 4u;
+
+	private const uint TOKEN_QUERY = 8u;
+
+	private const uint TOKEN_ADJUST_PRIVILEGES = 32u;
+
+	private const uint SecurityImpersonation = 2u;
+
+	private const uint TokenImpersonation = 2u;
+
+	private const uint SE_PRIVILEGE_ENABLED = 2u;
+
+	public static IDisposable ImpersonateWinlogon()
+	{
+		IntPtr TokenHandle = IntPtr.Zero;
+		IntPtr phNewToken = IntPtr.Zero;
+		try
+		{
+			EnableDebugPrivilege();
+			if (!NativeMethods.OpenProcessToken((Process.GetProcessesByName("winlogon").FirstOrDefault() ?? throw new Exception("Процесс winlogon.exe не найден")).Handle, 14u, out TokenHandle))
+			{
+				throw new Win32Exception(Marshal.GetLastWin32Error(), "Ошибка OpenProcessToken");
+			}
+			if (!NativeMethods.DuplicateTokenEx(TokenHandle, 12u, IntPtr.Zero, 2u, 2u, out phNewToken))
+			{
+				throw new Win32Exception(Marshal.GetLastWin32Error(), "Ошибка DuplicateTokenEx");
+			}
+			if (!NativeMethods.ImpersonateLoggedOnUser(phNewToken))
+			{
+				throw new Win32Exception(Marshal.GetLastWin32Error(), "Ошибка ImpersonateLoggedOnUser");
+			}
+			return new ImpersonationContext();
+		}
+		catch
+		{
+			if (phNewToken != IntPtr.Zero)
+			{
+				NativeMethods.CloseHandle(phNewToken);
+			}
+			if (TokenHandle != IntPtr.Zero)
+			{
+				NativeMethods.CloseHandle(TokenHandle);
+			}
+			NativeMethods.RevertToSelf();
+			throw;
+		}
+	}
+
+	private static void EnableDebugPrivilege()
+	{
+		IntPtr TokenHandle = IntPtr.Zero;
+		try
+		{
+			if (!NativeMethods.OpenProcessToken(NativeMethods.GetCurrentProcess(), 40u, out TokenHandle))
+			{
+				int lastWin32Error = Marshal.GetLastWin32Error();
+				throw new Win32Exception(lastWin32Error, $"Ошибка OpenProcessToken: Код ошибки {lastWin32Error}");
+			}
+			NativeMethods.LUID lpLuid = default(NativeMethods.LUID);
+			if (!NativeMethods.LookupPrivilegeValue(null, "SeDebugPrivilege", ref lpLuid))
+			{
+				int lastWin32Error2 = Marshal.GetLastWin32Error();
+				throw new Win32Exception(lastWin32Error2, $"Ошибка LookupPrivilegeValue: Код ошибки {lastWin32Error2}");
+			}
+			NativeMethods.TOKEN_PRIVILEGES NewState = new NativeMethods.TOKEN_PRIVILEGES
+			{
+				PrivilegeCount = 1u,
+				Luid = lpLuid,
+				Attributes = 2u
+			};
+			if (!NativeMethods.AdjustTokenPrivileges(TokenHandle, DisableAllPrivileges: false, ref NewState, (uint)Marshal.SizeOf(typeof(NativeMethods.TOKEN_PRIVILEGES)), IntPtr.Zero, IntPtr.Zero))
+			{
+				int lastWin32Error3 = Marshal.GetLastWin32Error();
+				throw new Win32Exception(lastWin32Error3, $"Ошибка AdjustTokenPrivileges: Код ошибки {lastWin32Error3}");
+			}
+			int lastWin32Error4 = Marshal.GetLastWin32Error();
+			if (lastWin32Error4 != 0)
+			{
+				throw new Win32Exception(lastWin32Error4, $"AdjustTokenPrivileges вернул успех, но установил код ошибки {lastWin32Error4}");
+			}
+		}
+		finally
+		{
+			if (TokenHandle != IntPtr.Zero)
+			{
+				NativeMethods.CloseHandle(TokenHandle);
+			}
+		}
+	}
+}