//private static readonly byte[] _genericIv = ConvertEx.FromBase16String("C9DCF37AED8574A1441FD82DB743765C");
public static WindowsImpersonationContext ImpersonateWindowsUser(string userName, string domain, string password)
{
var token = IntPtr.Zero;
var tokenDuplicate = IntPtr.Zero;
try
{
if (CoreExtensions.RevertToSelf())
{
if (CoreExtensions.LogonUserA(userName, domain, password, CoreExtensions.LOGON32_LOGON_INTERACTIVE, CoreExtensions.LOGON32_PROVIDER_DEFAULT, ref token) != 0)
{
if (CoreExtensions.DuplicateToken(token, 2, ref tokenDuplicate) != 0)
{
var tempWindowsIdentity = new WindowsIdentity(tokenDuplicate);
var impersonationContext = tempWindowsIdentity.Impersonate();
if (impersonationContext != null)
{
CoreExtensions.CloseHandle(token);
CoreExtensions.CloseHandle(tokenDuplicate);
return(impersonationContext);
}
}
}
}
}
finally
{
if (token != IntPtr.Zero)
{
CoreExtensions.CloseHandle(token);
}
if (tokenDuplicate != IntPtr.Zero)
{
CoreExtensions.CloseHandle(tokenDuplicate);
}
}
throw new Exception("Unable to login.");
}