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.
30 using System.Collections.Generic;
31 using System.Globalization;
33 using System.Net.Sockets;
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;
63 IPAddressCollection gateways;
67 public UnixIPInterfaceProperties (UnixNetworkInterface iface, List <IPAddress> addresses)
70 this.addresses = addresses;
73 public override IPv6InterfaceProperties GetIPv6Properties ()
75 throw new NotImplementedException ();
78 void ParseRouteInfo (string iface)
81 gateways = new IPAddressCollection ();
82 using (StreamReader reader = new StreamReader ("/proc/net/route")) {
84 reader.ReadLine (); // Ignore first line
85 while ((line = reader.ReadLine ()) != null) {
90 string [] parts = line.Split ('\t');
93 string gw_address = parts [2].Trim ();
94 byte [] ipbytes = new byte [4];
95 if (gw_address.Length == 8 && iface.Equals (parts [0], StringComparison.OrdinalIgnoreCase)) {
96 for (int i = 0; i < 4; i++) {
97 if (!Byte.TryParse (gw_address.Substring (i * 2, 2), NumberStyles.HexNumber, null, out ipbytes [3 - i]))
100 IPAddress ip = new IPAddress (ipbytes);
101 if (!ip.Equals (IPAddress.Any))
110 static Regex ns = new Regex (@"\s*nameserver\s+(?<address>.*)");
111 static Regex search = new Regex (@"\s*search\s+(?<domain>.*)");
112 void ParseResolvConf ()
115 DateTime wt = File.GetLastWriteTime ("/etc/resolv.conf");
116 if (wt <= last_parse)
121 dns_servers = new IPAddressCollection ();
122 using (StreamReader reader = new StreamReader ("/etc/resolv.conf")) {
125 while ((line = reader.ReadLine ()) != null) {
127 if (line.Length == 0 || line [0] == '#')
129 Match match = ns.Match (line);
132 str = match.Groups ["address"].Value;
134 dns_servers.Add (IPAddress.Parse (str));
138 match = search.Match (line);
140 str = match.Groups ["domain"].Value;
141 string [] parts = str.Split (',');
142 dns_suffix = parts [0].Trim ();
149 dns_servers.SetReadOnly ();
153 public override IPAddressInformationCollection AnycastAddresses {
155 List<IPAddress> anycastAddresses = new List<IPAddress> ();
157 foreach (IPAddress address in addresses) {
158 if (is_anycast_address (address)) {
159 anycastAddresses.Add (address);
163 return IPAddressInformationImplCollection.LinuxFromAnycast (anycastAddresses);
167 [MonoTODO ("Always returns an empty collection.")]
168 public override IPAddressCollection DhcpServerAddresses {
170 // There are lots of different DHCP clients
171 // that all store their configuration differently.
172 // I'm not sure what to do here.
173 IPAddressCollection coll = new IPAddressCollection ();
179 public override IPAddressCollection DnsAddresses {
186 public override string DnsSuffix {
193 public override GatewayIPAddressInformationCollection GatewayAddresses {
195 ParseRouteInfo (this.iface.Name.ToString());
196 if (gateways.Count > 0)
197 return new LinuxGatewayIPAddressInformationCollection (gateways);
199 return LinuxGatewayIPAddressInformationCollection.Empty;
203 [MonoTODO ("Always returns true")]
204 public override bool IsDnsEnabled {
210 [MonoTODO ("Always returns false")]
211 public override bool IsDynamicDnsEnabled {
217 public override MulticastIPAddressInformationCollection MulticastAddresses {
219 List<IPAddress> multicastAddresses = new List<IPAddress> ();
220 foreach (IPAddress address in addresses) {
221 byte[] addressBytes = address.GetAddressBytes ();
222 if (addressBytes[0] >= 224 && addressBytes[0] <= 239) {
223 multicastAddresses.Add (address);
226 return MulticastIPAddressInformationImplCollection.LinuxFromList (multicastAddresses);
230 public override UnicastIPAddressInformationCollection UnicastAddresses {
232 List<IPAddress> unicastAddresses = new List<IPAddress> ();
233 foreach (IPAddress address in addresses) {
234 switch (address.AddressFamily) {
235 case AddressFamily.InterNetwork:
236 byte top = address.GetAddressBytes () [0];
237 if (top >= 224 && top <= 239)
239 unicastAddresses.Add (address);
242 case AddressFamily.InterNetworkV6:
243 if (address.IsIPv6Multicast)
245 unicastAddresses.Add (address);
249 return UnicastIPAddressInformationImplCollection.LinuxFromList (unicastAddresses);
253 [MonoTODO ("Always returns an empty collection.")]
254 public override IPAddressCollection WinsServersAddresses {
256 // I do SUPPOSE we could scrape /etc/samba/smb.conf, but.. yeesh.
257 return new IPAddressCollection ();
262 class LinuxIPInterfaceProperties : UnixIPInterfaceProperties
264 public LinuxIPInterfaceProperties (LinuxNetworkInterface iface, List <IPAddress> addresses)
265 : base (iface, addresses)
269 public override IPv4InterfaceProperties GetIPv4Properties ()
271 if (ipv4iface_properties == null)
272 ipv4iface_properties = new LinuxIPv4InterfaceProperties (iface as LinuxNetworkInterface);
274 return ipv4iface_properties;
278 class MacOsIPInterfaceProperties : UnixIPInterfaceProperties
280 public MacOsIPInterfaceProperties (MacOsNetworkInterface iface, List <IPAddress> addresses)
281 : base (iface, addresses)
285 public override IPv4InterfaceProperties GetIPv4Properties ()
287 if (ipv4iface_properties == null)
288 ipv4iface_properties = new MacOsIPv4InterfaceProperties (iface as MacOsNetworkInterface);
290 return ipv4iface_properties;
294 class Win32IPInterfaceProperties2 : IPInterfaceProperties
296 readonly Win32_IP_ADAPTER_ADDRESSES addr;
297 readonly Win32_MIB_IFROW mib4, mib6;
299 public Win32IPInterfaceProperties2 (Win32_IP_ADAPTER_ADDRESSES addr, Win32_MIB_IFROW mib4, Win32_MIB_IFROW mib6)
306 public override IPv4InterfaceProperties GetIPv4Properties ()
308 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
309 return v4info != null ? new Win32IPv4InterfaceProperties (v4info, mib4) : null;
312 public override IPv6InterfaceProperties GetIPv6Properties ()
314 Win32_IP_ADAPTER_INFO v6info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib6.Index);
315 return v6info != null ? new Win32IPv6InterfaceProperties (mib6) : null;
318 public override IPAddressInformationCollection AnycastAddresses {
319 get { return IPAddressInformationImplCollection.Win32FromAnycast (addr.FirstAnycastAddress); }
322 public override IPAddressCollection DhcpServerAddresses {
324 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
325 // FIXME: should ipv6 DhcpServer be considered?
326 return v4info != null ? new Win32IPAddressCollection (v4info.DhcpServer) : Win32IPAddressCollection.Empty;
330 public override IPAddressCollection DnsAddresses {
331 get { return Win32IPAddressCollection.FromDnsServer (addr.FirstDnsServerAddress); }
334 public override string DnsSuffix {
335 get { return addr.DnsSuffix; }
338 public override GatewayIPAddressInformationCollection GatewayAddresses {
340 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
341 // FIXME: should ipv6 DhcpServer be considered?
342 return v4info != null ? new Win32GatewayIPAddressInformationCollection (v4info.GatewayList) : Win32GatewayIPAddressInformationCollection.Empty;
346 public override bool IsDnsEnabled {
347 get { return Win32_FIXED_INFO.Instance.EnableDns != 0; }
350 public override bool IsDynamicDnsEnabled {
351 get { return addr.DdnsEnabled; }
354 public override MulticastIPAddressInformationCollection MulticastAddresses {
355 get { return MulticastIPAddressInformationImplCollection.Win32FromMulticast (addr.FirstMulticastAddress); }
358 public override UnicastIPAddressInformationCollection UnicastAddresses {
360 Win32_IP_ADAPTER_INFO ai = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
361 // FIXME: should ipv6 DhcpServer be considered?
362 return ai != null ? UnicastIPAddressInformationImplCollection.Win32FromUnicast ((int) ai.Index, addr.FirstUnicastAddress) : UnicastIPAddressInformationImplCollection.Empty;
366 public override IPAddressCollection WinsServersAddresses {
368 Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
369 // FIXME: should ipv6 DhcpServer be considered?
370 return v4info != null ? new Win32IPAddressCollection (v4info.PrimaryWinsServer, v4info.SecondaryWinsServer) : Win32IPAddressCollection.Empty;