C:/Data/Projects/MCS EPM Global Practice/Frameworks/Public/mpfX/1.0/Libraries/Mcs.Epm.MicrosoftProject.mpFx/Win32Impersonation.cs

/*  ----------------------------------------------------------------------------
 *  Microsoft Corporation
 *  ----------------------------------------------------------------------------
 *  Microsoft Project Server mpFx (mpFx)
 *  ----------------------------------------------------------------------------
 *  Author: Colby Africa
 *  ----------------------------------------------------------------------------
 *  License: http://code.msdn.microsoft.com/mpFx/Project/License.aspx
 *  ----------------------------------------------------------------------------
 */

using System;
using System.Runtime.InteropServices;

public class Win32Impersonation
{
    [DllImport("advapi32.dll", SetLastError = true)]
    private static extern bool LogonUser(
        string principal,
        string authority,
        string password,
        LogonSessionType logonType,
        LogonProvider logonProvider,
        out IntPtr token);

    [DllImport("kernel32.dll", SetLastError = true)]
    public static extern bool CloseHandle(IntPtr handle);

    public static bool LogonUser(string userName, string domainName, string password, LogonSessionType sessionType, out IntPtr userToken)
    {
        return LogonUser(userName,
                         domainName,
                         password,
                         sessionType,
                         LogonProvider.Default,
                         out userToken);
    }

    public static int GetLastError()
    {
        return Marshal.GetLastWin32Error();
    }

    #region Nested type: LogonProvider

    public enum LogonProvider : uint
    {
        Default = 0, // default for platform
        WinNT35, // sends smoke signals to authority
        WinNT40, // uses NTLM
        WinNT50 // negotiates Kerb or NTLM
    }

    #endregion

    #region Nested type: LogonSessionType

    public  enum LogonSessionType : uint
    {
        Interactive = 2,
        Network,
        Batch,
        Service,
        NetworkCleartext = 8,
        NewCredentials
    }

    #endregion
}

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