public static List <Dictionary <string, string> > GetNetCardInfo()
{
List <Dictionary <string, string> > results = new List <Dictionary <string, string> >();
Dictionary <int, Dictionary <string, string> > adapters = new Dictionary <int, Dictionary <string, string> >();
try
{
foreach (NetworkInterface netElement in NetworkInterface.GetAllNetworkInterfaces())
{
Dictionary <string, string> card = new Dictionary <string, string>()
{
{ "Index", netElement.GetIPProperties().GetIPv4Properties().Index.ToString() },
{ "Name", netElement.Name },
{ "PysicalAddr", "" },
{ "DNSs", String.Join(", ", netElement.GetIPProperties().DnsAddresses) },
{ "Gateways", "" },
{ "IPs", "" },
{ "Netmasks", "" },
{ "arp", "" }
};
card["PysicalAddrIni"] = netElement.GetPhysicalAddress().ToString();
for (int i = 0; i < card["PysicalAddrIni"].Length; i += 2)
{
card["PysicalAddr"] += card["PysicalAddrIni"].Substring(i, 2) + ":";
}
foreach (GatewayIPAddressInformation address in netElement.GetIPProperties().GatewayAddresses.Reverse()) //Reverse so first IPv4
{
card["Gateways"] += address.Address + ", ";
}
foreach (UnicastIPAddressInformation ip in netElement.GetIPProperties().UnicastAddresses.Reverse())
{ //Reverse so first IPv4
card["IPs"] += ip.Address.ToString() + ", ";
card["Netmasks"] += ip.IPv4Mask.ToString() + ", ";
}
//Delete last separator
if (card["PysicalAddr"].Length > 0)
{
card["PysicalAddr"] = card["PysicalAddr"].Remove(card["PysicalAddr"].Length - 1);
}
if (card["Gateways"].Length > 0)
{
card["Gateways"] = card["Gateways"].Remove(card["Gateways"].Length - 2);
}
if (card["IPs"].Length > 0)
{
card["IPs"] = card["IPs"].Remove(card["IPs"].Length - 2);
}
if (card["Netmasks"].Length > 0)
{
card["Netmasks"] = card["Netmasks"].Remove(card["Netmasks"].Length - 2);
}
adapters[netElement.GetIPProperties().GetIPv4Properties().Index] = card;
}
//return results;
// GET ARP values
int bytesNeeded = 0;
int result = GetIpNetTable(IntPtr.Zero, ref bytesNeeded, false);
// call the function, expecting an insufficient buffer.
if (result != ERROR_INSUFFICIENT_BUFFER)
{
Console.WriteLine(" [X] Exception: {0}", result);
}
IntPtr buffer = IntPtr.Zero;
// allocate sufficient memory for the result structure
buffer = Marshal.AllocCoTaskMem(bytesNeeded);
result = GetIpNetTable(buffer, ref bytesNeeded, false);
if (result != 0)
{
Console.WriteLine(" [X] Exception allocating buffer: {0}", result);
}
// now we have the buffer, we have to marshal it. We can read the first 4 bytes to get the length of the buffer
int entries = Marshal.ReadInt32(buffer);
// increment the memory pointer by the size of the int
IntPtr currentBuffer = new IntPtr(buffer.ToInt64() + Marshal.SizeOf(typeof(int)));
// allocate a list of entries
List <MIB_IPNETROW> arpEntries = new List <MIB_IPNETROW>();
// cycle through the entries
for (int index = 0; index < entries; index++)
{
arpEntries.Add((MIB_IPNETROW)Marshal.PtrToStructure(new IntPtr(currentBuffer.ToInt64() + (index * Marshal.SizeOf(typeof(MIB_IPNETROW)))), typeof(MIB_IPNETROW)));
}
// sort the list by interface index
List <MIB_IPNETROW> sortedARPEntries = arpEntries.OrderBy(o => o.dwIndex).ToList();
int currentIndexAdaper = -1;
foreach (MIB_IPNETROW arpEntry in sortedARPEntries)
{
int indexAdapter = arpEntry.dwIndex;
if (!adapters.ContainsKey(indexAdapter))
{
Console.WriteLine("Error: No interface found with Index " + arpEntry.dwIndex.ToString());
continue;
}
currentIndexAdaper = indexAdapter;
IPAddress ipAddr = new IPAddress(BitConverter.GetBytes(arpEntry.dwAddr));
byte[] macBytes = new byte[] { arpEntry.mac0, arpEntry.mac1, arpEntry.mac2, arpEntry.mac3, arpEntry.mac4, arpEntry.mac5 };
string physAddr = BitConverter.ToString(macBytes);
ArpEntryType entryType = (ArpEntryType)arpEntry.dwType;
adapters[arpEntry.dwIndex]["arp"] += String.Format("\t {0,-22}{1,-22}{2}\n", ipAddr, physAddr, entryType);
}
FreeMibTable(buffer);
}
catch (Exception ex)
{
Console.WriteLine(" [X] Exception: {0}", ex);
}
results = adapters.Values.ToList();
return(results);
}
/// <summary>
/// Creates an instance of an ArpEntry
/// </summary>
/// <param name="adapter">NetworkInterface on the local machine with which this entry will be associated</param>
/// <param name="address">IP Address of the entry</param>
/// <param name="mac">Physical (MAC) address of the entry</param>
/// <param name="entryType">Type of the entry</param>
public ArpEntry(NetworkInterface adapter, IPAddress address, PhysicalAddress mac, ArpEntryType entryType)
{
m_adapter = adapter;
m_data = new byte[SIZE];
this.IPAddress = address;
this.PhysicalAddress = mac;
this.ArpEntryType = entryType;
this.AdapterIndex = adapter.Index;
}
