public CbxObjectItem(string text, int index, LibPcapLiveDevice dev, PcapAddress ipv4)
{
this.text = text;
this.index = index;
this.dev = dev;
this.ipv4 = ipv4;
}
public static IPAddressInfo GetIPAddressInfo(PcapDevice device)
{
PcapAddress pcap_address = null;
pcap_address = device.Interface.Addresses
.Where(a => a.Addr.type == Sockaddr.AddressTypes.AF_INET_AF_INET6 &&
a.Addr.ipAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
.FirstOrDefault();
if (pcap_address == null)
{
throw new InvalidOperationException("IP address not found");
}
IPAddressInfo ipaddressinfo = new IPAddressInfo
{
IPAddress = pcap_address.Addr.ipAddress,
Mask = pcap_address.Netmask.ipAddress,
Gateway = device.Interface.GatewayAddresses?.FirstOrDefault()
};
ipaddressinfo.IPNetwork = GetNetworkAddress(ipaddressinfo.Mask, ipaddressinfo.IPAddress);
ipaddressinfo.IPBroadcast = GetBroadcastAddress(ipaddressinfo.Mask, ipaddressinfo.IPAddress);
return(ipaddressinfo);
}
void PopulateInterfaceCombobox()
{
LivePcapDeviceList deviceList = LivePcapDeviceList.Instance;
if (deviceList.Count > 0)
{
foreach (LivePcapDevice device in deviceList)
{
PcapAddress address = GetIPV4Sockddr(device);
cbInterface.Items.Add(String.Format("{0} -- {1}", device.Interface.FriendlyName, address.Addr.ipAddress));
}
}
}
private void LogDeviceList()
{
LivePcapDeviceList deviceList = LivePcapDeviceList.Instance;
if (deviceList.Count < 1)
{
Log("No devices were found on this machine");
}
else
{
Log(String.Format("The following devices are available on this machine:{0}", Environment.NewLine));
foreach (LivePcapDevice device in deviceList)
{
Log(device.Interface.FriendlyName);
Log(String.Format("{0}: {1}", device.Description, device.Interface.Name));
PcapAddress address = GetIPV4Sockddr(device);
Log(address.ToString());
}
}
}
/// <summary> /// Detekce, zda je adresa IPv4. /// </summary> private static bool IsIPV4(PcapAddress address) => address.Addr?.type != Sockaddr.AddressTypes.HARDWARE && IsIPV4(address.Addr?.ipAddress);
/// <summary> /// Funkce pro formátování IP adresy do čitelného formátu. /// </summary> /// <param name="address">Adresa rozhraní.</param> /// <returns> /// Naformátovaná podoba adresy. Pokud byla parametru 'address' null, nebo se jedná o HW adresu, tak se vrací null. /// </returns> private static string FormatIPAddress(PcapAddress address) => address?.Addr?.type == null || address.Addr.type == Sockaddr.AddressTypes.HARDWARE ? null : address?.Addr?.ToString();
private void btnReload_Click(object sender, EventArgs e)
{
NetworkInterface[] nicList = NetworkInterface.GetAllNetworkInterfaces();
cbxNic.Items.Clear();
for (int i = 0; i < LibPcapLiveDeviceList.Instance.Count; i++)
{
LibPcapLiveDevice dev = LibPcapLiveDeviceList.Instance[i];
/* NICデバイスのインデックスを取得 */
int did = 0;
foreach (var ni in nicList.Where
(x => dev.Interface.MacAddress.GetAddressBytes().SequenceEqual(
x.GetPhysicalAddress().GetAddressBytes())))
{
did = ni.GetIPProperties().GetIPv4Properties().Index;
}
PcapAddress ipv4 = null;
foreach (PcapAddress addr in dev.Interface.Addresses)
{
ipv4 = addr;
if (addr.Addr.sa_family == 2) /* IPv4*/
{
break;
}
}
int cidr = (ipv4.Addr.ipAddress.Address == 0) ? 0 : 32;
for (; cidr != 0; cidr--)
{
if (0 != (ipv4.Netmask.ipAddress.Address & (1 << (cidr - 1))))
{
break;
}
}
string sItem = string.Format("{0:x2}: {1} - {2}/{3} - {5} ({4})",
did, dev.Interface.MacAddress, ipv4.Addr, cidr, dev.Interface.Description, dev.Interface.FriendlyName);
cbxNic.Items.Add(new CbxObjectItem(sItem, did, dev, ipv4));
}
cbxNic.SelectedIndex = 0;
/* デバイス列挙 */
foreach (LibPcapLiveDevice dev in LibPcapLiveDeviceList.Instance)
{
Debug.WriteLine("FriendlyName : " + dev.Interface.FriendlyName);
Debug.WriteLine("Name : " + dev.Interface.Name);
Debug.WriteLine("MacAddress : " + dev.Interface.MacAddress);
Debug.WriteLine("Flags : " + dev.Interface.Flags);
foreach (PcapAddress addr in dev.Interface.Addresses)
{
Debug.WriteLine("Addr-family :" + addr.Addr.sa_family.ToString());
Debug.WriteLine("Addr :" + addr.Addr);
Debug.WriteLine("Netmask :" + addr.Netmask);
Debug.WriteLine("Broadaddr :" + addr.Broadaddr);
Debug.WriteLine("Dstaddr :" + addr.Dstaddr);
}
Debug.WriteLine("Description : " + dev.Interface.Description);
Debug.WriteLine("");
}
}
