public class IdentityScope : IDisposable
{
// obtains user token
[DllImport("advapi32.dll", SetLastError = true)]
static extern bool LogonUser(string pszUsername, string pszDomain, string pszPassword,
int dwLogonType, int dwLogonProvider, ref IntPtr phToken);
// closes open handes returned by LogonUser
[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
extern static bool CloseHandle(IntPtr handle);
[DllImport("Advapi32.DLL")]
static extern bool ImpersonateLoggedOnUser(IntPtr hToken);
[DllImport("Advapi32.DLL")]
static extern bool RevertToSelf();
const int LOGON32_PROVIDER_DEFAULT = 0;
const int LOGON32_LOGON_NEWCREDENTIALS = 9;//域控中的需要用:Interactive = 2
private bool disposed;
public IdentityScope(string sUsername, string sDomain, string sPassword)
{
// initialize tokens
IntPtr pExistingTokenHandle = new IntPtr(0);
IntPtr pDuplicateTokenHandle = new IntPtr(0);
try
{
// get handle to token
bool bImpersonated = LogonUser(sUsername, sDomain, sPassword,
LOGON32_LOGON_NEWCREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref pExistingTokenHandle);
if (true == bImpersonated)
{
if (!ImpersonateLoggedOnUser(pExistingTokenHandle))
{
int nErrorCode = Marshal.GetLastWin32Error();
throw new Exception("ImpersonateLoggedOnUser error;Code=" + nErrorCode);
}
}
else
{
int nErrorCode = Marshal.GetLastWin32Error();
throw new Exception("LogonUser error;Code=" + nErrorCode);
}
}
finally
{
// close handle(s)
if (pExistingTokenHandle != IntPtr.Zero)
CloseHandle(pExistingTokenHandle);
if (pDuplicateTokenHandle != IntPtr.Zero)
CloseHandle(pDuplicateTokenHandle);
}
}
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
RevertToSelf();
disposed = true;
}
}
public void Dispose()
{
Dispose(true);
}
}
//调用;指定共享机器上的用户名,机器名,密码,(不在域控中的.)
using (IdentityScope c = new IdentityScope("userId", "192.168.0.1", "psw"))
{//在此就可以访问了.
string[] filelist = System.IO.Directory.GetDirectories(@"\\192.168.0.1\folderName");
}