private static void GetIPv4(string indentedLine, NetworkAdapterInfo adapter)
{
var addressText = ParseOutputTagFromLine(indentedLine, "inet addr:") ??
ParseOutputTagFromLine(indentedLine, "inet ");
if (addressText == null)
{
return;
}
if (IPAddress.TryParse(addressText, out var outValue))
{
adapter.IPv4 = outValue;
}
}
/// <summary>
/// Retrieves the network adapters.
/// </summary>
/// <returns>A list of network adapters.</returns>
public List <NetworkAdapterInfo> RetrieveAdapters()
{
const string HWaddr = "HWaddr ";
const string Ether = "ether ";
var result = new List <NetworkAdapterInfo>();
var interfacesOutput = ProcessRunner.GetProcessOutputAsync("ifconfig").Result;
var wlanOutput = ProcessRunner.GetProcessOutputAsync("iwconfig")
.Result.Split('\n')
.Where(x => x.Contains("no wireless extensions.") == false)
.ToArray();
var outputLines = interfacesOutput.Split('\n').Where(x => string.IsNullOrWhiteSpace(x) == false).ToArray();
for (var i = 0; i < outputLines.Length; i++)
{
// grab the current line
var line = outputLines[i];
// skip if the line is indented
if (char.IsLetterOrDigit(line[0]) == false)
{
continue;
}
// Read the line as an adatper
var adapter = new NetworkAdapterInfo
{
Name = line.Substring(0, line.IndexOf(' ')).TrimEnd(':')
};
// Parse the MAC address in old version of ifconfig; it comes in the first line
if (line.IndexOf(HWaddr) >= 0)
{
var startIndexHwd = line.IndexOf(HWaddr) + HWaddr.Length;
adapter.MacAddress = line.Substring(startIndexHwd, 17).Trim();
}
// Parse the info in lines other than the first
for (var j = i + 1; j < outputLines.Length; j++)
{
// Get the contents of the indented line
var indentedLine = outputLines[j];
// We have hit the next adapter info
if (char.IsLetterOrDigit(indentedLine[0]))
{
i = j - 1;
break;
}
// Parse the MAC address in new versions of ifconfig; it no longer comes in the first line
if (indentedLine.IndexOf(Ether) >= 0 && string.IsNullOrWhiteSpace(adapter.MacAddress))
{
var startIndexHwd = indentedLine.IndexOf(Ether) + Ether.Length;
adapter.MacAddress = indentedLine.Substring(startIndexHwd, 17).Trim();
}
// Parse the IPv4 Address
{
var addressText = ParseOutputTagFromLine(indentedLine, "inet addr:") ?? ParseOutputTagFromLine(indentedLine, "inet ");
if (addressText != null)
{
if (IPAddress.TryParse(addressText, out var outValue))
{
adapter.IPv4 = outValue;
}
}
}
// Parse the IPv6 Address
{
var addressText = ParseOutputTagFromLine(indentedLine, "inet6 addr:") ?? ParseOutputTagFromLine(indentedLine, "inet6 ");
if (addressText != null)
{
if (IPAddress.TryParse(addressText, out var outValue))
{
adapter.IPv6 = outValue;
}
}
}
// we have hit the end of the output in an indented line
if (j >= outputLines.Length - 1)
{
i = outputLines.Length;
}
}
// Retrieve the wireless LAN info
var wlanInfo = wlanOutput.FirstOrDefault(x => x.StartsWith(adapter.Name));
if (wlanInfo != null)
{
adapter.IsWireless = true;
var essidParts = wlanInfo.Split(new[] { EssidTag }, StringSplitOptions.RemoveEmptyEntries);
if (essidParts.Length >= 2)
{
adapter.AccessPointName = essidParts[1].Replace("\"", string.Empty).Trim();
}
}
// Add the current adapter to the result
result.Add(adapter);
}
return(result.OrderBy(x => x.Name).ToList());
}
