如何扮演另一个帐号(C#实现)

如何扮演另一个帐号(C#实现)

using directives#region Using directives

using System;

using SystemSecurityPrincipal;

using SystemRuntimeInteropServices;

using SystemTextRegularExpressions;

#endregion

namespace Impersonal

{

class Program

{

测试代码#region 测试代码

public static void Main(string[] args)

{

ConsoleWriteLine(当前用户是:

+ WindowsIdentityGetCurrent()Name);

ImpersonatedWork testDel = new ImpersonatedWork(Test);

ImpersonateAndDo(epro\\liping testDel);

ConsoleWriteLine(当前用户是:

+ WindowsIdentityGetCurrent()Name);

}

static void Test()

{

ConsoleWriteLine(当前用户是:

+ WindowsIdentityGetCurrent()Name);

}

#endregion

[DllImport(advapidll SetLastError = true)]

public extern static bool LogonUser(String lpszUsername String lpszDomain

String lpszPassword int dwLogonType

int dwLogonProvider ref IntPtr phToken);

[DllImport(kerneldll CharSet = CharSetAuto)]

public extern static bool CloseHandle(IntPtr handle);

[DllImport(advapidll CharSet = CharSetAuto SetLastError = true)]

public extern static bool DuplicateToken(IntPtr ExistingTokenHandle

int SECURITY_IMPERSONATION_LEVEL ref IntPtr DuplicateTokenHandle);

public delegate void ImpersonatedWork();

/**//// <summary>

/// 以指定用户的身份去做一件事情

/// </summary>

/// <param name=UserName></param>

/// <param name=PWD></param>

/// <param name=WhatToDo></param>

public static void ImpersonateAndDo(string UserName string PWD ImpersonatedWork WhatToDo)

{

扮演用户#region 扮演用户

string domainName = stringEmpty;

string userName = stringEmpty;

IntPtr tokenHandle = new IntPtr();

IntPtr dupeTokenHandle = new IntPtr();

const int LOGON_PROVIDER_DEFAULT = ;

const int LOGON_LOGON_INTERACTIVE = ;

const int SecurityImpersonation = ;

if (! RegexIsMatch(UserName @^\w+[\\]?\w+$))

{

throw new ApplicationException(非法的用户名);

}

string[] tmp = UserNameSplit(new char[] { \\ });

if (tmpLength > )

{

domainName = tmp[];

userName = tmp[];

}

else

{

userName = tmp[];

}

tokenHandle = IntPtrZero;

dupeTokenHandle = IntPtrZero;

bool returnValue = LogonUser(userNamedomainName PWD

LOGON_LOGON_INTERACTIVE LOGON_PROVIDER_DEFAULT

ref tokenHandle);

if (!returnValue)

{

throw new ApplicationException(取Handle出错了!);

}

//ConsoleWriteLine(当前用户是:

// + WindowsIdentityGetCurrent()Name);

bool retVal = DuplicateToken(tokenHandle SecurityImpersonation ref dupeTokenHandle);

if (!retVal)

{

CloseHandle(tokenHandle);

throw new ApplicationException(复制Handle出错了!);

}

WindowsIdentity newId = new WindowsIdentity(dupeTokenHandle);

WindowsImpersonationContext impersonatedUser = newIdImpersonate();

#endregion

以新用户身份调用#region 以新用户身份调用

WhatToDo();

#endregion

取消扮演#region 取消扮演

impersonatedUserUndo();

if (tokenHandle != IntPtrZero)

CloseHandle(tokenHandle);

if (dupeTokenHandle != IntPtrZero)

CloseHandle(dupeTokenHandle);

#endregion

}

}

}