freebsd.cs

无线网卡接口编程源码

using System.Diagnostics ;
using System;
using System.Collections;
using System.Text.RegularExpressions;

/// How ugly.....

public class FreeBSD: OS{

	private Regex rr;
	private string regex = @"(?<ssid>(.+))\s*(?<mac>(\w\w:\w\w:\w\w:\w\w:\w\w:\w\w))\s+(?<chan>(\d+))\s+(?<ratio>(\w+))\s+(?<signal>(\d+)):\d+\s+\d+\s+(?<caps>(\w+))";
	
	public FreeBSD(){
		rr = new Regex(regex);
	}

	private Hashtable AvaiableDevices(){
			Process p = new Process();
			p.StartInfo.FileName = "ifconfig";
			p.StartInfo.Arguments = "-l";
			p.StartInfo.UseShellExecute = false;
			p.StartInfo.RedirectStandardOutput = true; 
			p.Start();			 
			string tmp = p.StandardOutput.ReadToEnd().Trim();
			p.WaitForExit();			
			p.Close();

			Hashtable hash = new Hashtable(); 
			foreach (string dev in tmp.Split(' '))
				hash.Add( dev.Substring(0,dev.Length-1) , dev);   // [driver, device]

			return hash;
	}

	public override string[] WirelessDevices(){

		string[] All = new string[8] {"an","iwi","ipw","ndis","ath","wi","ral","ural"};

		Hashtable presentdevs = AvaiableDevices();

		ArrayList list = new ArrayList();

		foreach (string cand in All)
			if ( presentdevs[cand]!=null )
				list.Add(presentdevs[cand]); 

		int i=0;
		string[] devs = new string[list.Count];
		foreach (string cand in list)
			devs[i++] = cand;

		return devs ;
				
	}
	public override ArrayList WirelessNetworks(){
		
		ArrayList list = new ArrayList();
	
		foreach (string line in Scan().Split('\n') ){
			MatchCollection matches = rr.Matches(line);
			foreach (Match match in matches){
				Network net = _GetNetwork(match);
				if (net!=null)
					list.Add(net);
			}
		}

		return list;		
	}

	public string Scan(){
		Process p = new Process();
		p.StartInfo.FileName = "ifconfig";
		p.StartInfo.Arguments = String.Format("{0} scan",SelectedDevice);
		p.StartInfo.UseShellExecute = false;
		p.StartInfo.RedirectStandardOutput = true; 
		p.Start();
		string outs = p.StandardOutput.ReadToEnd();
		p.WaitForExit();
		p.Close();
		return outs;

	}

	public Network _GetNetwork(Match match){
		string[] data = new string[6];
		data[0] = match.Groups["ssid"].ToString().Trim();
		if (data[0].Length<1)
			return null;
		data[1] = match.Groups["mac"].ToString();
		data[2] = match.Groups["chan"].ToString();
		data[3] = match.Groups["ratio"].ToString();
		data[4] = match.Groups["signal"].ToString();
		data[5] = match.Groups["caps"].ToString();
		return new Network(data); 
	}


	public override void DHCP(string ssid, string wep){

		if (wep!=null)
			wep = String.Format(" wepmode on wepkey {0} ",wep);
	
		Execute("route delete default");

			Execute(String.Format("ifconfig {0} ssid {1} {2} up",SelectedDevice, ssid, wep ));

		System.Threading.Thread.Sleep(200);
		Execute(String.Format("dhclient {0}",SelectedDevice));
	}

	public override void StaticIP(string ssid,string ip,string netmask,string wep,string gateway){
	
		if (wep!=null)
			wep = String.Format(" wepmode on wepkey {0} ",wep);	
			
		Execute("route delete default");
		Execute(String.Format("ifconfig {0} ssid {1} {2} {3} netmask {4} up",SelectedDevice, ssid, wep, ip, netmask) );
		System.Threading.Thread.Sleep(200);
		Execute(String.Format("route add default {0}",gateway));	
	}
}