/// <summary>
/// Get the proxy message replied from the server.
/// NULL will be returned if not response is received.
/// </summary>
/// <returns>The responded proxy message</returns>
public KDCProxyMessage GetProxyResponse()
{
if (responseBytes == null)
{
return null;
}
KDCProxyMessage message = new KDCProxyMessage();
message.FromBytes(responseBytes);
return message;
}
/// <summary>
/// Wrap the KerberosPdu provided into proxy message.
/// </summary>
/// <param name="pdu">the specified KerberosPdu to be wrapped</param>
public KDCProxyMessage MakeProxyMessage(KerberosPdu pdu)
{
//prepare proxy message
KDCProxyMessage message = new KDCProxyMessage(pdu);
if (!string.IsNullOrEmpty(TargetDomain))
{
message.TargetDomain = TargetDomain;
}
if (DCLocatorHint.HasValue)
{
message.DCLocatorHint = DCLocatorHint.Value;
}
return message;
}
/// <summary>
/// Send the specified proxy message using https.
/// </summary>
/// <param name="message"></param>
public void SendProxyRequest(KDCProxyMessage message)
{
//create web request
HttpWebRequest webRequest = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(new Uri(config.KKDCPServerURL));
webRequest.KeepAlive = config.HttpKeepAlive;
webRequest.Method = "POST";
webRequest.ProtocolVersion = config.HttpVersion;
webRequest.CachePolicy = config.HttpCachePolicy;
webRequest.UserAgent = config.HttpUserAgent;
webRequest.Timeout = config.HttpRequestTimeout;
if (config.TlsClientCertificate != null)
{
webRequest.ClientCertificates.Add(config.TlsClientCertificate);
}
//send message
byte[] data = message.ToBytes();
webRequest.ContentLength = data.Length;
Stream postData = webRequest.GetRequestStream();
postData.Write(data, 0, data.Length);
postData.Close();
//get response
try
{
HttpWebResponse response = (System.Net.HttpWebResponse)webRequest.GetResponse();
if (response.StatusCode == HttpStatusCode.Forbidden)
{
//HTTP 403 error received, set ERROR to STATUS_AUTHENTICATION_FIREWALL_FAILED.
Error = KKDCPError.STATUS_AUTHENTICATION_FIREWALL_FAILED;
return;
}
using (Stream responseDataSteam = response.GetResponseStream())
{
using (MemoryStream ms = new MemoryStream())
{
responseDataSteam.CopyTo(ms);
responseBytes = ms.ToArray();
}
}
response.Close();
}
catch (WebException)
{
//server dropped the TCP connection
//set Error to STATUS_NO_LOGON_SERVERS
Error = KKDCPError.STATUS_NO_LOGON_SERVERS;
}
}
