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

using System;
using System.IO;
using System.Net;
using System.Text;

public class HostUpdateSharp
{
	public static void Main(string[] args)
	{
		try
		{
			new HostUpdateSharp();
		}
		catch (Exception exception) { Console.Error.WriteLine(exception); }
	}
	public HostUpdateSharp()
	{
		StringBuilder host = new StringBuilder("host=" + Dns.GetHostName());
		string url = "http://topsecret.douglasthrift.net/auth/hostupdate.cgi";

		if ((host + "").IndexOf('.') < 0)
		{
			host.Append(".local.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);

		Console.Write(content.ReadToEnd());
		content.Close();
	}
#if _FreeBSD_
	private string platform() { return "FreeBSD 4.9-STABLE i386"; }
#else
	private string platform()
	{
		OperatingSystem os = Environment.OSVersion;
		string system = "Unknown";

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

		int major = os.Version.Major, minor = os.Version.Minor;
		string version = os + "";

		switch (system)
		{
		case "Windows NT":
			switch (major)
			{
			case 5:
				switch (minor)
				{
				case 0:
					version = "Windows 2000";
					break;
				case 1:
					version = "Windows XP";
					break;
				case 2:
					version = "Windows .NET Server";
					break;
				}
				break;
			}
			break;
		case "Windows":
			if (major == 4)
			{
				switch (minor)
				{
				case 10:
					version = " Windows 98";
					break;
				case 90:
					version = " Windows ME";
					break;
				}
			}
			break;
		}

		return system + ' ' + major + '.' + minor + " [" + version + "] ix86";
	}
#endif
}