90 lines
3.0 KiB
C#
90 lines
3.0 KiB
C#
//
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// System.Net.NetworkInformation.IPInterfaceProperties
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//
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// Authors:
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// Gonzalo Paniagua Javier (gonzalo@novell.com)
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// Atsushi Enomoto (atsushi@ximian.com)
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//
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// Copyright (c) 2006-2007 Novell, Inc. (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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namespace System.Net.NetworkInformation {
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class LinuxIPInterfaceProperties : UnixIPInterfaceProperties
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{
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public LinuxIPInterfaceProperties (LinuxNetworkInterface iface, List <IPAddress> addresses)
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: base (iface, addresses)
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{
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}
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public override IPv4InterfaceProperties GetIPv4Properties ()
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{
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if (ipv4iface_properties == null)
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ipv4iface_properties = new LinuxIPv4InterfaceProperties (iface as LinuxNetworkInterface);
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return ipv4iface_properties;
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}
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IPAddressCollection ParseRouteInfo (string iface)
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{
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var col = new IPAddressCollection ();
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try {
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using (StreamReader reader = new StreamReader ("/proc/net/route")) {
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string line;
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reader.ReadLine (); // Ignore first line
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while ((line = reader.ReadLine ()) != null) {
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line = line.Trim ();
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if (line.Length == 0)
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continue;
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string [] parts = line.Split ('\t');
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if (parts.Length < 3)
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continue;
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string gw_address = parts [2].Trim ();
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byte [] ipbytes = new byte [4];
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if (gw_address.Length == 8 && iface.Equals (parts [0], StringComparison.OrdinalIgnoreCase)) {
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for (int i = 0; i < 4; i++) {
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if (!Byte.TryParse (gw_address.Substring (i * 2, 2), NumberStyles.HexNumber, null, out ipbytes [3 - i]))
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continue;
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}
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IPAddress ip = new IPAddress (ipbytes);
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if (!ip.Equals (IPAddress.Any) && !col.Contains (ip))
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col.InternalAdd (ip);
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}
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}
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}
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} catch {
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}
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return col;
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}
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public override GatewayIPAddressInformationCollection GatewayAddresses {
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get {
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return SystemGatewayIPAddressInformation.ToGatewayIpAddressInformationCollection (ParseRouteInfo (this.iface.Name.ToString()));
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}
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}
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}
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}
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