2 // System.Net.NetworkInformation.IPInterfaceProperties
5 // Gonzalo Paniagua Javier (gonzalo@novell.com)
6 // Atsushi Enomoto (atsushi@ximian.com)
8 // Copyright (c) 2006-2007 Novell, Inc. (http://www.novell.com)
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:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
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.
29 using System.Collections.Generic;
30 using System.Globalization;
32 using System.Net.Sockets;
33 using System.Runtime.CompilerServices;
34 using System.Text.RegularExpressions;
36 namespace System.Net.NetworkInformation {
37 public abstract class IPInterfaceProperties {
38 protected IPInterfaceProperties ()
42 public abstract IPv4InterfaceProperties GetIPv4Properties ();
43 public abstract IPv6InterfaceProperties GetIPv6Properties ();
45 public abstract IPAddressInformationCollection AnycastAddresses { get; }
46 public abstract IPAddressCollection DhcpServerAddresses { get; }
47 public abstract IPAddressCollection DnsAddresses { get; }
48 public abstract string DnsSuffix { get; }
49 public abstract GatewayIPAddressInformationCollection GatewayAddresses { get; }
50 public abstract bool IsDnsEnabled { get; }
51 public abstract bool IsDynamicDnsEnabled { get; }
52 public abstract MulticastIPAddressInformationCollection MulticastAddresses { get; }
53 public abstract UnicastIPAddressInformationCollection UnicastAddresses { get; }
54 public abstract IPAddressCollection WinsServersAddresses { get; }
57 abstract class UnixIPInterfaceProperties : IPInterfaceProperties
59 protected IPv4InterfaceProperties ipv4iface_properties;
60 protected UnixNetworkInterface iface;
61 List <IPAddress> addresses;
62 IPAddressCollection dns_servers;
66 public UnixIPInterfaceProperties (UnixNetworkInterface iface, List <IPAddress> addresses)
69 this.addresses = addresses;
72 public override IPv6InterfaceProperties GetIPv6Properties ()
74 throw new NotImplementedException ();
77 static Regex ns = new Regex (@"\s*nameserver\s+(?<address>.*)");
78 static Regex search = new Regex (@"\s*search\s+(?<domain>.*)");
79 void ParseResolvConf ()
82 DateTime wt = File.GetLastWriteTime ("/etc/resolv.conf");
88 dns_servers = new IPAddressCollection ();
89 using (StreamReader reader = new StreamReader ("/etc/resolv.conf")) {
92 while ((line = reader.ReadLine ()) != null) {
94 if (line.Length == 0 || line [0] == '#')
96 Match match = ns.Match (line);
99 str = match.Groups ["address"].Value;
101 dns_servers.Add (IPAddress.Parse (str));
105 match = search.Match (line);
107 str = match.Groups ["domain"].Value;
108 string [] parts = str.Split (',');
109 dns_suffix = parts [0].Trim ();
116 dns_servers.SetReadOnly ();
120 public override IPAddressInformationCollection AnycastAddresses {
122 List<IPAddress> anycastAddresses = new List<IPAddress> ();
124 foreach (IPAddress address in addresses) {
125 if (is_anycast_address (address)) {
126 anycastAddresses.Add (address);
130 return IPAddressInformationImplCollection.LinuxFromAnycast (anycastAddresses);
134 [MonoTODO ("Always returns an empty collection.")]
135 public override IPAddressCollection DhcpServerAddresses {
137 // There are lots of different DHCP clients
138 // that all store their configuration differently.
139 // I'm not sure what to do here.
140 IPAddressCollection coll = new IPAddressCollection ();
146 public override IPAddressCollection DnsAddresses {
153 public override string DnsSuffix {
160 [MonoTODO ("Always returns true")]
161 public override bool IsDnsEnabled {
167 [MonoTODO ("Always returns false")]
168 public override bool IsDynamicDnsEnabled {
174 public override MulticastIPAddressInformationCollection MulticastAddresses {
176 List<IPAddress> multicastAddresses = new List<IPAddress> ();
177 foreach (IPAddress address in addresses) {
178 byte[] addressBytes = address.GetAddressBytes ();
179 if (addressBytes[0] >= 224 && addressBytes[0] <= 239) {
180 multicastAddresses.Add (address);
183 return MulticastIPAddressInformationImplCollection.LinuxFromList (multicastAddresses);
187 public override UnicastIPAddressInformationCollection UnicastAddresses {
189 List<IPAddress> unicastAddresses = new List<IPAddress> ();
190 foreach (IPAddress address in addresses) {
191 switch (address.AddressFamily) {
192 case AddressFamily.InterNetwork:
193 byte top = address.GetAddressBytes () [0];
194 if (top >= 224 && top <= 239)
196 unicastAddresses.Add (address);
199 case AddressFamily.InterNetworkV6:
200 if (address.IsIPv6Multicast)
202 unicastAddresses.Add (address);
206 return UnicastIPAddressInformationImplCollection.LinuxFromList (unicastAddresses);
210 [MonoTODO ("Always returns an empty collection.")]
211 public override IPAddressCollection WinsServersAddresses {
213 // I do SUPPOSE we could scrape /etc/samba/smb.conf, but.. yeesh.
214 return new IPAddressCollection ();
219 class LinuxIPInterfaceProperties : UnixIPInterfaceProperties
221 IPAddressCollection gateways;
223 public LinuxIPInterfaceProperties (LinuxNetworkInterface iface, List <IPAddress> addresses)
224 : base (iface, addresses)
228 public override IPv4InterfaceProperties GetIPv4Properties ()
230 if (ipv4iface_properties == null)
231 ipv4iface_properties = new LinuxIPv4InterfaceProperties (iface as LinuxNetworkInterface);
233 return ipv4iface_properties;
236 void ParseRouteInfo (string iface)
239 using (StreamReader reader = new StreamReader ("/proc/net/route")) {
241 reader.ReadLine (); // Ignore first line
242 while ((line = reader.ReadLine ()) != null) {
244 if (line.Length == 0)
247 string [] parts = line.Split ('\t');
248 if (parts.Length < 3)
250 string gw_address = parts [2].Trim ();
251 byte [] ipbytes = new byte [4];
252 if (gw_address.Length == 8 && iface.Equals (parts [0], StringComparison.OrdinalIgnoreCase)) {
253 for (int i = 0; i < 4; i++) {
254 if (!Byte.TryParse (gw_address.Substring (i * 2, 2), NumberStyles.HexNumber, null, out ipbytes [3 - i]))
257 IPAddress ip = new IPAddress (ipbytes);
258 if (!ip.Equals (IPAddress.Any) && !gateways.Contains (ip))
267 public override GatewayIPAddressInformationCollection GatewayAddresses {
269 gateways = new IPAddressCollection ();
270 ParseRouteInfo (this.iface.Name.ToString());
271 if (gateways.Count > 0)
272 return new UnixGatewayIPAddressInformationCollection (gateways);
274 return UnixGatewayIPAddressInformationCollection.Empty;
279 class MacOsIPInterfaceProperties : UnixIPInterfaceProperties
281 IPAddressCollection gateways;
283 public MacOsIPInterfaceProperties (MacOsNetworkInterface iface, List <IPAddress> addresses)
284 : base (iface, addresses)
288 public override IPv4InterfaceProperties GetIPv4Properties ()
290 if (ipv4iface_properties == null)
291 ipv4iface_properties = new MacOsIPv4InterfaceProperties (iface as MacOsNetworkInterface);
293 return ipv4iface_properties;
296 [MethodImplAttribute(MethodImplOptions.InternalCall)]
297 private extern static bool ParseRouteInfo_internal(string iface, out string[] gw_addr_list);
299 public override GatewayIPAddressInformationCollection GatewayAddresses {
301 gateways = new IPAddressCollection ();
302 string[] gw_addrlist;
303 if (!ParseRouteInfo_internal (this.iface.Name.ToString(), out gw_addrlist))
304 return UnixGatewayIPAddressInformationCollection.Empty;
306 for(int i=0; i<gw_addrlist.Length; i++) {
308 IPAddress ip = IPAddress.Parse(gw_addrlist[i]);
309 if (!ip.Equals (IPAddress.Any) && !gateways.Contains (ip))
311 } catch (ArgumentNullException) {
312 /* Ignore this, as the
313 * internal call might have
314 * left some blank entries at
315 * the end of the array
320 if (gateways.Count > 0)
321 return new UnixGatewayIPAddressInformationCollection (gateways);
323 return UnixGatewayIPAddressInformationCollection.Empty;
329 class Win32IPInterfaceProperties2 : IPInterfaceProperties
331 readonly Win32_IP_ADAPTER_ADDRESSES addr;
332 readonly Win32_MIB_IFROW mib4, mib6;
334 public Win32IPInterfaceProperties2 (Win32_IP_ADAPTER_ADDRESSES addr, Win32_MIB_IFROW mib4, Win32_MIB_IFROW mib6)
341 public override IPv4InterfaceProperties GetIPv4Properties ()
343 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
344 return v4info != null ? new Win32IPv4InterfaceProperties (v4info, mib4) : null;
347 public override IPv6InterfaceProperties GetIPv6Properties ()
349 Win32_IP_ADAPTER_INFO v6info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib6.Index);
350 return v6info != null ? new Win32IPv6InterfaceProperties (mib6) : null;
353 public override IPAddressInformationCollection AnycastAddresses {
354 get { return IPAddressInformationImplCollection.Win32FromAnycast (addr.FirstAnycastAddress); }
357 public override IPAddressCollection DhcpServerAddresses {
359 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
360 // FIXME: should ipv6 DhcpServer be considered?
361 return v4info != null ? new Win32IPAddressCollection (v4info.DhcpServer) : Win32IPAddressCollection.Empty;
365 public override IPAddressCollection DnsAddresses {
366 get { return Win32IPAddressCollection.FromDnsServer (addr.FirstDnsServerAddress); }
369 public override string DnsSuffix {
370 get { return addr.DnsSuffix; }
373 public override GatewayIPAddressInformationCollection GatewayAddresses {
375 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
376 // FIXME: should ipv6 DhcpServer be considered?
377 return v4info != null ? new Win32GatewayIPAddressInformationCollection (v4info.GatewayList) : Win32GatewayIPAddressInformationCollection.Empty;
381 public override bool IsDnsEnabled {
382 get { return Win32_FIXED_INFO.Instance.EnableDns != 0; }
385 public override bool IsDynamicDnsEnabled {
386 get { return addr.DdnsEnabled; }
389 public override MulticastIPAddressInformationCollection MulticastAddresses {
390 get { return MulticastIPAddressInformationImplCollection.Win32FromMulticast (addr.FirstMulticastAddress); }
393 public override UnicastIPAddressInformationCollection UnicastAddresses {
395 Win32_IP_ADAPTER_INFO ai = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
396 // FIXME: should ipv6 DhcpServer be considered?
397 return ai != null ? UnicastIPAddressInformationImplCollection.Win32FromUnicast ((int) ai.Index, addr.FirstUnicastAddress) : UnicastIPAddressInformationImplCollection.Empty;
401 public override IPAddressCollection WinsServersAddresses {
403 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
404 // FIXME: should ipv6 DhcpServer be considered?
405 return v4info != null ? new Win32IPAddressCollection (v4info.PrimaryWinsServer, v4info.SecondaryWinsServer) : Win32IPAddressCollection.Empty;