public static NetworkInterface [] ImplGetAllNetworkInterfaces()
{
var interfaces = new Dictionary <string, LinuxNetworkInterface> ();
IntPtr ifap;
if (getifaddrs(out ifap) != 0)
{
throw new SystemException("getifaddrs() failed");
}
try {
IntPtr next = ifap;
while (next != IntPtr.Zero)
{
ifaddrs addr = (ifaddrs)Marshal.PtrToStructure(next, typeof(ifaddrs));
IPAddress address = IPAddress.None;
string name = addr.ifa_name;
int index = -1;
byte[] macAddress = null;
NetworkInterfaceType type = NetworkInterfaceType.Unknown;
if (addr.ifa_addr != IntPtr.Zero)
{
sockaddr_in sockaddr = (sockaddr_in)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in));
if (sockaddr.sin_family == AF_INET6)
{
sockaddr_in6 sockaddr6 = (sockaddr_in6)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in6));
address = new IPAddress(sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id);
}
else if (sockaddr.sin_family == AF_INET)
{
address = new IPAddress(sockaddr.sin_addr);
}
else if (sockaddr.sin_family == AF_PACKET)
{
sockaddr_ll sockaddrll = (sockaddr_ll)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_ll));
if (((int)sockaddrll.sll_halen) > sockaddrll.sll_addr.Length)
{
Console.Error.WriteLine("Got a bad hardware address length for an AF_PACKET {0} {1}",
sockaddrll.sll_halen, sockaddrll.sll_addr.Length);
next = addr.ifa_next;
continue;
}
macAddress = new byte [(int)sockaddrll.sll_halen];
Array.Copy(sockaddrll.sll_addr, 0, macAddress, 0, macAddress.Length);
index = sockaddrll.sll_ifindex;
int hwtype = (int)sockaddrll.sll_hatype;
if (Enum.IsDefined(typeof(LinuxArpHardware), hwtype))
{
switch ((LinuxArpHardware)hwtype)
{
case LinuxArpHardware.EETHER:
goto case LinuxArpHardware.ETHER;
case LinuxArpHardware.ETHER:
type = NetworkInterfaceType.Ethernet;
break;
case LinuxArpHardware.PRONET:
type = NetworkInterfaceType.TokenRing;
break;
case LinuxArpHardware.ATM:
type = NetworkInterfaceType.Atm;
break;
case LinuxArpHardware.SLIP:
type = NetworkInterfaceType.Slip;
break;
case LinuxArpHardware.PPP:
type = NetworkInterfaceType.Ppp;
break;
case LinuxArpHardware.LOOPBACK:
type = NetworkInterfaceType.Loopback;
macAddress = null;
break;
case LinuxArpHardware.FDDI:
type = NetworkInterfaceType.Fddi;
break;
case LinuxArpHardware.TUNNEL6:
goto case LinuxArpHardware.TUNNEL;
case LinuxArpHardware.TUNNEL:
type = NetworkInterfaceType.Tunnel;
break;
}
}
}
}
LinuxNetworkInterface iface = null;
if (!interfaces.TryGetValue(name, out iface))
{
iface = new LinuxNetworkInterface(name);
interfaces.Add(name, iface);
}
if (!address.Equals(IPAddress.None))
{
iface.AddAddress(address);
}
if (macAddress != null || type == NetworkInterfaceType.Loopback)
{
if (type == NetworkInterfaceType.Ethernet)
{
if (Directory.Exists(iface.IfacePath + "wireless"))
{
type = NetworkInterfaceType.Wireless80211;
}
}
iface.SetLinkLayerInfo(index, macAddress, type);
}
next = addr.ifa_next;
}
} finally {
freeifaddrs(ifap);
}
NetworkInterface [] result = new NetworkInterface [interfaces.Count];
int x = 0;
foreach (NetworkInterface thisInterface in interfaces.Values)
{
result [x] = thisInterface;
x++;
}
return(result);
}
