linux.cs

无线网卡接口编程源码

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

/// Inspired by wifi-radar...

public class Linux:OS {

	public Regex essid_pattern, address_pattern, signal_pattern, chan_pattern, ratio_pattern, encript_pattern;

	public Linux(){

		address_pattern = new Regex(@"\s(?<mac>(\w\w:\w\w:\w\w:\w\w:\w\w:\w\w))");
		essid_pattern 	= new Regex("ESSID.*\"(?<ssid>(\\w+))\"");
		chan_pattern 	= new Regex(@".*Channel\s(?<chan>(\d+))");
		ratio_pattern	= new Regex(@"Bit Rate:(?<ratio>(\d+)).*Mb.s");
		signal_pattern	= new Regex(@"Quality.(?<signal>(\d+))/");		
		encript_pattern	= new Regex(@"Encryption key.(?<encript>(.+))\n");

	}

	public override string[] WirelessDevices(){
		string[] All = new string[3] {"wlan0","eth0", "ath0"};
		return All ;				
	}
	
	public override ArrayList WirelessNetworks(){
		
		ArrayList list = new ArrayList();

		Regex sep = new Regex("- Address:");
		foreach (string chunck in  sep.Split(Scan())){
			
			Match match = essid_pattern.Match(chunck);
			
			if (match.Length>0){ //we got something usefull....
				string[] data = new string[6];
				data[0] = match.Groups["ssid"].ToString();
				data[1] = address_pattern.Match(chunck).Groups["mac"].ToString();
				data[2] = chan_pattern.Match(chunck).Groups["chan"].ToString();
				
				//The last match is the maximus ratio..
				MatchCollection ratiomatches = ratio_pattern.Matches(chunck);
				string ratio="1" ;
				foreach (Match ratiomatch in ratiomatches){
					ratio = ratiomatch.Groups["ratio"].ToString();
				}
				data[3] = ratio;
				
				
				data[4] = signal_pattern.Match(chunck).Groups["signal"].ToString();

				if (encript_pattern.Match(chunck).Groups["encript"].ToString()=="on")
					data[5] = "EP";
				else
					data[5] = "E";	

				Network net = new Network(data);
				if (net!=null)
					list.Add(net);

			}
		}
		return list;
	}
	
/*
	public string Scan(){
		return  "# /usr/sbin/iwlist eth1 scanning\neth1      Scan completed :\n          Cell 01 - Address: XX:XX:XX:XX:XX:XX\n                    ESSID:\"XXXaXXX\"\n                    Mode:Master\n                    Frequency:2.462GHz (Channel 11)\n                    Bit Rate:1Mb/s\n                    Bit Rate:2Mb/s\n                    Bit Rate:5.5Mb/s\n                    Bit Rate:11Mb/s\n                    Bit Rate:18Mb/s\n                    Bit Rate:24Mb/s\n                    Bit Rate:36Mb/s\n                    Bit Rate:54Mb/s\n                    Quality=23/100  Signal level=-75 dBm  Noise level=-98 dBm\n                    Encryption key:on\n          Cell 02 - Address: XX:XX:XX:XX:XX:XX\n                    ESSID:\"XXXXXX\"\n                    Mode:Master\n                    Frequency:2.462GHz (Channel 11)\n                    Bit Rate:1Mb/s\n                    Bit Rate:2Mb/s\n                    Bit Rate:5.5Mb/s\n                    Bit Rate:11Mb/s\n                    Bit Rate:18Mb/s\n                    Bit Rate:24Mb/s\n                    Bit Rate:36Mb/s\n                    Bit Rate:54Mb/s\n                    Quality=14/100  Signal level=-84 dBm  Noise level=-98 dBm\n                    Encryption key:off\n";		
	}

	public string Scan(){	
		return "wlan0     Scan completed :\n          Cell 01 - Address: 00:0D:88:43:0C:EB\n                    ESSID:\"casa\"\n                    Protocol:IEEE 802.11b\n                    Mode:Managed\n                    Frequency:2.437 GHz (Channel 6)\n                    Quality:0/100  Signal level:-37 dBm  Noise\nlevel:-256 dBm\n                    Encryption key:on\n                    Bit Rate:1 Mb/s\n                    Bit Rate:2 Mb/s\n                    Bit Rate:5.5 Mb/s\n                    Bit Rate:11 Mb/s\n                    Extra:bcn_int=100\n                    Extra:atim=0\n";
	}
*/

	public string Scan(){
	
		Process p = new Process();
		p.StartInfo.FileName = "iwlist";
		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 override void DHCP(string ssid, string wep){
			
		Execute("route delete default gw");
		Execute(String.Format("ifconfig {0} up",SelectedDevice));
		Execute(String.Format("iwconfig {0} essid {1}",SelectedDevice, ssid));
		Execute(String.Format("iwconfig {0} key {1}",SelectedDevice,wep));
		Execute("killall dhcpcd");		
		System.Threading.Thread.Sleep(200);
		Execute(String.Format("dhcpcd {0}",SelectedDevice));
		
	}

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

}