public ScannerResult Scan(IPAddress subnet)
{
var result = new ScannerResult();
//var ips = Pinger.PingAllAsync(subnet).Result;
var ips = PingerThreaded.PingAll(subnet);
//Console.WriteLine($"PingAll took {ips.Elapsed}");
result.Online.AddRange(Arp.GetAll()
.Where(ae => ips.OnlineIps.ContainsKey(ae.Ip))
.Select(ae => new IpAndMac(ips.OnlineIps.First(ip => Equals(ae.Ip, ip.Key)).Key, ae.Mac)));
return(result);
}
public ScannerResult Scan(IPAddress subnet)
{
// Step 1: nmap is only used to scan the range. It actually doesn't see my LG TV
// If issue is found, use sudo for nmap so it gets the MAC
var psi = new ProcessStartInfo
{
FileName = "nmap",
Arguments = $"-sP {subnet}/24",
RedirectStandardOutput = true,
RedirectStandardError = true,
RedirectStandardInput = true,
CreateNoWindow = true
};
using var process = Process.Start(psi) ?? throw new Exception($"Failed to start {psi.FileName}");
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd().Split(Environment.NewLine);
/*
* var result = new ScannerResult();
* var hostRe = new Regex(@"^Nmap scan report for (?<name>\S+) \((?<ip>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\)");
* var macRe = new Regex(@"^MAC Ip: (?<mac>(?:[0-9A-F]{2}:){5}[0-9A-F]{2})");
* IpAndMac entry = null;
* foreach (var line in output)
* {
* var ma = hostRe.Match(line);
* if (ma.Success)
* {
* if (entry != null)
* result.Online.Add(entry);
* entry = new IpAndMac(IPAddress.Parse(ma.Groups["ip"].Value));
* }
*
* if (entry == null)
* continue;
* ma = macRe.Match(line);
* if (ma.Success)
* entry.Mac = PhysicalAddress.Parse(ma.Groups["mac"].Value.ToUpper().Replace(':', '-'));
* }
*
* if (entry?.Mac != null)
* result.Online.Add(entry);
*
* return result;
*/
// Step 2: Get arp entries
var arp = Arp.GetAll();
// Stop 3: Ping all arp entries
var result = new ScannerResult();
using var ping = new Ping();
foreach (var entry in arp)
{
if (ping.Send(entry.Ip, 200)?.Status == IPStatus.Success)
{
result.Online.Add(entry);
}
}
return(result);
}