mcs/class/System/System.Net.NetworkInformation/IPInterfaceProperties.cs

   1 //
   2 // System.Net.NetworkInformation.IPInterfaceProperties
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@novell.com)
   6 //      Atsushi Enomoto (atsushi@ximian.com)
   7 //
   8 // Copyright (c) 2006-2007 Novell, Inc. (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29 #if NET_2_0
  30 using System.Collections.Generic;
  31 using System.Net.Sockets;
  32
  33 namespace System.Net.NetworkInformation {
  34         public abstract class IPInterfaceProperties {
  35                 protected IPInterfaceProperties ()
  36                 {
  37                 }
  38
  39                 public abstract IPv4InterfaceProperties GetIPv4Properties ();
  40                 public abstract IPv6InterfaceProperties GetIPv6Properties ();
  41
  42                 public abstract IPAddressInformationCollection AnycastAddresses { get; }
  43                 public abstract IPAddressCollection DhcpServerAddresses { get; }
  44                 public abstract IPAddressCollection DnsAddresses { get; }
  45                 public abstract string DnsSuffix { get; }
  46                 public abstract GatewayIPAddressInformationCollection GatewayAddresses { get; }
  47                 public abstract bool IsDnsEnabled { get; }
  48                 public abstract bool IsDynamicDnsEnabled { get; }
  49                 public abstract MulticastIPAddressInformationCollection MulticastAddresses { get; }
  50                 public abstract UnicastIPAddressInformationCollection UnicastAddresses { get; }
  51                 public abstract IPAddressCollection WinsServersAddresses { get; }
  52         }
  53
  54         class LinuxIPInterfaceProperties : IPInterfaceProperties
  55         {
  56                 IPv4InterfaceProperties ipv4iface_properties;
  57                 LinuxNetworkInterface iface;
  58                 List <IPAddress> addresses;
  59
  60                 public LinuxIPInterfaceProperties (LinuxNetworkInterface iface, List <IPAddress> addresses)
  61                 {
  62                         this.iface = iface;
  63                         this.addresses = addresses;
  64                 }
  65
  66                 public override IPv4InterfaceProperties GetIPv4Properties ()
  67                 {
  68                         if (ipv4iface_properties == null)
  69                                 ipv4iface_properties = new LinuxIPv4InterfaceProperties (iface);
  70
  71                         return ipv4iface_properties;
  72                 }
  73
  74                 public override IPv6InterfaceProperties GetIPv6Properties ()
  75                 {
  76                         throw new NotImplementedException ();
  77                 }
  78
  79                 public override IPAddressInformationCollection AnycastAddresses {
  80                         get {
  81                                 List<IPAddress> anycastAddresses = new List<IPAddress> ();
  82                                 /* XXX:
  83                                 foreach (IPAddress address in addresses) {
  84                                         if (is_anycast_address (address)) {
  85                                                 anycastAddresses.Add (address);
  86                                         }
  87                                 }
  88                                 */
  89                                 return IPAddressInformationImplCollection.LinuxFromAnycast (anycastAddresses);
  90                         }
  91                 }
  92
  93                 [MonoTODO ("Always returns an empty collection.")]
  94                 public override IPAddressCollection DhcpServerAddresses {
  95                         get {
  96                                 // There are lots of different DHCP clients
  97                                 // that all store their configuration differently.
  98                                 // I'm not sure what to do here.
  99                                 return new IPAddressCollection ();
 100                         }
 101                 }
 102
 103                 [MonoTODO ("Always returns an empty collection.")]
 104                 public override IPAddressCollection DnsAddresses {
 105                         get {
 106                                 // XXX: Parse /etc/resolv.conf, I suppose.
 107                                 return new IPAddressCollection ();
 108                         }
 109                 }
 110
 111                 [MonoTODO ("Does not return anything.")]
 112                 public override string DnsSuffix {
 113                         get {
 114                                 // XXX: Also parse resolv.conf?
 115                                 return String.Empty;
 116                         }
 117                 }
 118
 119                 [MonoTODO ("Always returns an empty collection.")]
 120                 public override GatewayIPAddressInformationCollection GatewayAddresses {
 121                         get {
 122                                 // XXX: Pull information from route table.
 123                                 return LinuxGatewayIPAddressInformationCollection.Empty;
 124                         }
 125                 }
 126
 127                 [MonoTODO ("Always returns true")]
 128                 public override bool IsDnsEnabled {
 129                         get {
 130                                 return true;
 131                         }
 132                 }
 133
 134                 [MonoTODO ("Always returns false")]
 135                 public override bool IsDynamicDnsEnabled {
 136                         get {
 137                                 return false;
 138                         }
 139                 }
 140
 141                 public override MulticastIPAddressInformationCollection MulticastAddresses {
 142                         get {
 143                                 List<IPAddress> multicastAddresses = new List<IPAddress> ();
 144                                 foreach (IPAddress address in addresses) {
 145                                         byte[] addressBytes = address.GetAddressBytes ();
 146                                         if (addressBytes[0] >= 224 && addressBytes[0] <= 239) {
 147                                                 multicastAddresses.Add (address);
 148                                         }
 149                                 }
 150                                 return MulticastIPAddressInformationImplCollection.LinuxFromList (multicastAddresses);
 151                         }
 152                 }
 153
 154                 public override UnicastIPAddressInformationCollection UnicastAddresses {
 155                         get {
 156                                 List<IPAddress> unicastAddresses = new List<IPAddress> ();
 157                                 foreach (IPAddress address in addresses) {
 158                                         switch (address.AddressFamily) {
 159                                                 case AddressFamily.InterNetwork:
 160                                                         byte top = address.GetAddressBytes () [0];
 161                                                         if (top >= 224 && top <= 239)
 162                                                                 continue;
 163                                                         unicastAddresses.Add (address);
 164                                                         break;
 165
 166                                                 case AddressFamily.InterNetworkV6:
 167                                                         if (address.IsIPv6Multicast)
 168                                                                 continue;
 169                                                         unicastAddresses.Add (address);
 170                                                         break;
 171                                         }
 172                                 }
 173                                 return UnicastIPAddressInformationImplCollection.LinuxFromList (unicastAddresses);
 174                         }
 175                 }
 176
 177                 [MonoTODO ("Always returns an empty collection.")]
 178                 public override IPAddressCollection WinsServersAddresses {
 179                         get {
 180                                 // I do SUPPOSE we could scrape /etc/samba/smb.conf, but.. yeesh.
 181                                 return new IPAddressCollection ();
 182                         }
 183                 }
 184         }
 185
 186         class Win32IPInterfaceProperties2 : IPInterfaceProperties
 187         {
 188                 readonly Win32_IP_ADAPTER_ADDRESSES addr;
 189                 readonly Win32_MIB_IFROW mib4, mib6;
 190
 191                 public Win32IPInterfaceProperties2 (Win32_IP_ADAPTER_ADDRESSES addr, Win32_MIB_IFROW mib4, Win32_MIB_IFROW mib6)
 192                 {
 193                         this.addr = addr;
 194                         this.mib4 = mib4;
 195                         this.mib6 = mib6;
 196                 }
 197
 198                 public override IPv4InterfaceProperties GetIPv4Properties ()
 199                 {
 200                         Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
 201                         return v4info != null ? new Win32IPv4InterfaceProperties (v4info, mib4) : null;
 202                 }
 203
 204                 public override IPv6InterfaceProperties GetIPv6Properties ()
 205                 {
 206                         Win32_IP_ADAPTER_INFO v6info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib6.Index);
 207                         return v6info != null ? new Win32IPv6InterfaceProperties (mib6) : null;
 208                 }
 209
 210                 public override IPAddressInformationCollection AnycastAddresses {
 211                         get { return IPAddressInformationImplCollection.Win32FromAnycast (addr.FirstAnycastAddress); }
 212                 }
 213
 214                 public override IPAddressCollection DhcpServerAddresses {
 215                         get {
 216                                 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
 217                                 // FIXME: should ipv6 DhcpServer be considered?
 218                                 return v4info != null ? new Win32IPAddressCollection (v4info.DhcpServer) : Win32IPAddressCollection.Empty;
 219                         }
 220                 }
 221
 222                 public override IPAddressCollection DnsAddresses {
 223                         get { return Win32IPAddressCollection.FromDnsServer (addr.FirstDnsServerAddress); }
 224                 }
 225
 226                 public override string DnsSuffix {
 227                         get { return addr.DnsSuffix; }
 228                 }
 229
 230                 public override GatewayIPAddressInformationCollection GatewayAddresses {
 231                         get {
 232                                 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
 233                                 // FIXME: should ipv6 DhcpServer be considered?
 234                                 return v4info != null ? new Win32GatewayIPAddressInformationCollection (v4info.GatewayList) : Win32GatewayIPAddressInformationCollection.Empty;
 235                         }
 236                 }
 237
 238                 public override bool IsDnsEnabled {
 239                         get { return Win32_FIXED_INFO.Instance.EnableDns != 0; }
 240                 }
 241
 242                 public override bool IsDynamicDnsEnabled {
 243                         get { return addr.DdnsEnabled; }
 244                 }
 245
 246                 public override MulticastIPAddressInformationCollection MulticastAddresses {
 247                         get { return MulticastIPAddressInformationImplCollection.Win32FromMulticast (addr.FirstMulticastAddress); }
 248                 }
 249
 250                 public override UnicastIPAddressInformationCollection UnicastAddresses {
 251                         get { return UnicastIPAddressInformationImplCollection.Win32FromUnicast (addr.FirstUnicastAddress); }
 252                 }
 253
 254                 public override IPAddressCollection WinsServersAddresses {
 255                         get {
 256                                 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
 257                                 // FIXME: should ipv6 DhcpServer be considered?
 258                                 return v4info != null ? new Win32IPAddressCollection (v4info.PrimaryWinsServer, v4info.SecondaryWinsServer) : Win32IPAddressCollection.Empty;
 259                         }
 260                 }
 261
 262         }
 263 }
 264 #endif
 265