public static void RevertToSelf()
{
if (!LogonAPI.RevertToSelf())
{
throw new Exception("RevertToSelf failed.");
}
}
public static WindowsPrincipal GetLogonUser(
string domain, string userName, string password)
{
IIdentity user = null;
WindowsPrincipal principal = null;
IntPtr refToken = IntPtr.Zero;
bool loggedIn;
RevertToSelf();
loggedIn =
LogonAPI.LogonUser(userName, domain, password,
LogonAPI.LOGON32_LOGON_NETWORK_CLEARTEXT,
LogonAPI.LOGON32_PROVIDER_DEFAULT, ref refToken);
if (loggedIn == true)
{
user = new WindowsIdentity(refToken, "NTLM", WindowsAccountType.Normal, true);
principal = new WindowsPrincipal(user as WindowsIdentity);
}
return(principal);
}
