C# 访问共享文件夹或者磁盘（需要用户名密码）

C# 访问共享文件夹或者磁盘（需要用户名密码）

边界流浪者

SharedTool：

1. using System;

2. using System.Collections.Generic;

3. using System.Linq;

4. using System.Text;

5. using System.Runtime.InteropServices;

6.  

7. namespace ConsoleApplication5

8. {

9. public class SharedTool : IDisposable

10. {

11. // obtains user token

12. [DllImport("advapi32.dll", SetLastError = true)]

13. static extern bool LogonUser(string pszUsername, string pszDomain, string pszPassword,

14. int dwLogonType, int dwLogonProvider, ref IntPtr phToken);

15.  

16. // closes open handes returned by LogonUser

17. [DllImport("kernel32.dll", CharSet = CharSet.Auto)]

18. extern static bool CloseHandle(IntPtr handle);

19.  

20. [DllImport("Advapi32.DLL")]

21. static extern bool ImpersonateLoggedOnUser(IntPtr hToken);

22.  

23. [DllImport("Advapi32.DLL")]

24. static extern bool RevertToSelf();

25. const int LOGON32_PROVIDER_DEFAULT = 0;

26. const int LOGON32_LOGON_NEWCREDENTIALS = 9;//域控中的需要用:Interactive = 2

27. private bool disposed;

28.  

29. public SharedTool(string username, string password, string ip)

30. {

31. // initialize tokens

32. IntPtr pExistingTokenHandle = new IntPtr(0);

33. IntPtr pDuplicateTokenHandle = new IntPtr(0);

34.  

35. try

36. {

37. // get handle to token

38. bool bImpersonated = LogonUser(username, ip, password,

39. LOGON32_LOGON_NEWCREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref pExistingTokenHandle);

40.  

41. if (bImpersonated)

42. {

43. if (!ImpersonateLoggedOnUser(pExistingTokenHandle))

44. {

45. int nErrorCode = Marshal.GetLastWin32Error();

46. throw new Exception("ImpersonateLoggedOnUser error;Code=" + nErrorCode);

47. }

48. }

49. else

50. {

51. int nErrorCode = Marshal.GetLastWin32Error();

52. throw new Exception("LogonUser error;Code=" + nErrorCode);

53. }

54. }

55. finally

56. {

57. // close handle(s)

58. if (pExistingTokenHandle != IntPtr.Zero)

59. CloseHandle(pExistingTokenHandle);

60. if (pDuplicateTokenHandle != IntPtr.Zero)

61. CloseHandle(pDuplicateTokenHandle);

62. }

63. }

64.  

65. protected virtual void Dispose(bool disposing)

66. {

67. if (!disposed)

68. {

69. RevertToSelf();

70. disposed = true;

71. }

72. }

73.  

74. public void Dispose()

75. {

76. Dispose(true);

77. }

78. }

79. }

 

案例：

1. using System;

2. using System.Collections.Generic;

3. using System.Linq;

4. using System.Text;

5. using System.IO;

6.  

7. namespace ConsoleApplication5

8. {

9. class Program

10. {

11. static void Main(string[] args)

12. {

13. using (SharedTool tool = new SharedTool("administrator", "12345678", "192.168.1.101"))

14. {

15. string selectPath = @"\\192.168.1.101\c$";

16.  

17. var dicInfo = new DirectoryInfo(selectPath);//选择的目录信息

18.  

19. DirectoryInfo[] dic = dicInfo.GetDirectories("*.*", SearchOption.TopDirectoryOnly);

20. foreach (DirectoryInfo temp in dic)

21. {

22. Console.WriteLine(temp.FullName);

23. }

24.  

25. Console.WriteLine("---------------------------");

26. FileInfo[] textFiles = dicInfo.GetFiles("*.*", SearchOption.TopDirectoryOnly);//获取所有目录包含子目录下的文件

27. foreach (FileInfo temp in textFiles)

28. {

29. Console.WriteLine(temp.Name);

30. }

31. }

32. Console.ReadKey();

33. }

34. }

35. }

 

C# 通过用户名和密码获取共享文件夹访问权限

局域网共享文件夹需要用户名和密码才能访问，通过程序怎样才能获得文件夹访问权限呢？

这里主要利用了DOS命令中的“NET USE”命令来实现。

public static void GetAccessControl(string path,string user,string pwd)
{       
      Process p = new Process();
            
      p.StartInfo.FileName = System.Environment.GetEnvironmentVariable("ComSpec");
            
      p.StartInfo.UseShellExecute = false;
      p.StartInfo.RedirectStandardInput = true;
      p.StartInfo.RedirectStandardOutput = true;
      p.StartInfo.CreateNoWindow = true;

      p.Start();           
      p.StandardInput.WriteLine(@"Net Use {0} /del", path); //必须先删除，否则报错
      p.StandardInput.WriteLine(@"Net Use {0} ""{1}"" /user:{2}", path, pwd, user);
      p.StandardInput.WriteLine("exit"); //如果不加这句WaitForExit会卡住

      p.WaitForExit();
      p.Close();
 }