// Host Update Sharp
//
// Douglas Thrift
//
// $Id$

using System;
using System.IO;
using System.Net;
using System.Text;
#if !_FreeBSD_
using System.Windows.Forms;
#endif

public class HostUpdateSharp
{
	public static void Main(string[] args)
	{
		foreach (string arg in args)
		{
			switch (arg)
			{
			case "-D":
				debug = true;
				break;
			default:
				uname = arg;
				break;
			}
		}

		try
		{
			new HostUpdateSharp();
		}
		catch (Exception exception)
		{
			Console.Error.WriteLine(exception);
			Environment.Exit(1);
		}
	}
	public HostUpdateSharp()
	{
		StringBuilder host = new StringBuilder("host=" +
			Dns.GetHostName().ToLower());
		string url = "http://topsecret.douglasthrift.net/auth/hostupdate.cgi";

		if ((host + "").IndexOf('.') < 0)
		{
			host.Append(".douglasthrift.net");
		}

		WebHeaderCollection headers = new WebHeaderCollection();

		headers.Add("Authorization", "Basic " + Convert.ToBase64String((new
			ASCIIEncoding()).GetBytes("HostUpdate:frell2003")));

		HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

		request.Accept = "text/plain";
		request.ContentLength = host.Length;
		request.ContentType = "application/x-www-form-urlencoded";
		request.Headers = headers;
		request.KeepAlive = false;
		request.Method = "POST";
		request.UserAgent = "Host Update Sharp/1.0 (" + platform() + ')';

		StreamWriter post = new StreamWriter(request.GetRequestStream(),
			Encoding.ASCII);

		post.Write(host);
		post.Close();

		HttpWebResponse response = (HttpWebResponse)request.GetResponse();

		StreamReader content = new StreamReader(response.GetResponseStream(),
			Encoding.ASCII);

#if _FreeBSD_
		if (debug) Console.Write(content.ReadToEnd());
#else
		if (debug) MessageBox.Show(content.ReadToEnd(), "Host Update Sharp",
			MessageBoxButtons.OK, MessageBoxIcon.Information);
#endif

		content.Close();
	}
	private static bool debug = false;
	private static string uname = "";
#if _FreeBSD_
	private static string platform()
	{
		if (uname == "")
		{
			uname = "Unknown";
		}

		return uname;
	}
#else
	private static string platform()
	{
		if (uname == "")
		{
			OperatingSystem os = Environment.OSVersion;
			string system = "Unknown";

			switch (os.Platform)
			{
			case PlatformID.Win32NT:
				system = "Windows NT";
				break;
			case PlatformID.Win32Windows:
				system = "Windows";
				break;
			}

			uname = system + ' ' + os.Version.Major + '.' + os.Version.Minor +
				" x86";
		}

		return uname;
	}
#endif
}