/mcs/class/System/System.Net.NetworkInformation/UnixIPInterfaceProperties.cs
C# | 226 lines | 175 code | 19 blank | 32 comment | 18 complexity | 467d12fcd2103efd6217244b836f71f1 MD5 | raw file
- //
- // System.Net.NetworkInformation.IPInterfaceProperties
- //
- // Authors:
- // Gonzalo Paniagua Javier (gonzalo@novell.com)
- // Atsushi Enomoto (atsushi@ximian.com)
- //
- // Copyright (c) 2006-2007 Novell, Inc. (http://www.novell.com)
- //
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- //
- using System.Collections.Generic;
- using System.Net.Sockets;
- using System.IO;
- using System.Text.RegularExpressions;
- using System.Runtime.InteropServices;
- namespace System.Net.NetworkInformation {
- abstract class UnixIPInterfaceProperties : IPInterfaceProperties
- {
- protected IPv4InterfaceProperties ipv4iface_properties;
- protected UnixNetworkInterface iface;
- List <IPAddress> addresses;
- IPAddressCollection dns_servers;
- public UnixIPInterfaceProperties (UnixNetworkInterface iface, List <IPAddress> addresses)
- {
- this.iface = iface;
- this.addresses = addresses;
- }
- public override IPv6InterfaceProperties GetIPv6Properties ()
- {
- throw new NotImplementedException ();
- }
- #if MONODROID
- [DllImport ("__Internal")]
- static extern int _monodroid_get_dns_servers (out IntPtr dns_servers_array);
- void GetDNSServersFromOS ()
- {
- IntPtr dsa;
- int len = _monodroid_get_dns_servers (out dsa);
- if (len <= 0)
- return;
- var servers = new IntPtr [len];
- Marshal.Copy (dsa, servers, 0, len);
- dns_servers = new IPAddressCollection ();
- foreach (IntPtr s in servers) {
- string server_ip = Marshal.PtrToStringAnsi (s);
- Marshal.FreeHGlobal (s);
- IPAddress addr;
- if (!IPAddress.TryParse (server_ip, out addr))
- continue;
- dns_servers.InternalAdd (addr);
- }
- Marshal.FreeHGlobal (dsa);
- }
- #else
- static Regex ns = new Regex (@"\s*nameserver\s+(?<address>.*)");
- static Regex search = new Regex (@"\s*search\s+(?<domain>.*)");
- string dns_suffix;
- DateTime last_parse;
- void ParseResolvConf ()
- {
- try {
- DateTime wt = File.GetLastWriteTime ("/etc/resolv.conf");
- if (wt <= last_parse)
- return;
- last_parse = wt;
- dns_suffix = "";
- dns_servers = new IPAddressCollection ();
- using (StreamReader reader = new StreamReader ("/etc/resolv.conf")) {
- string str;
- string line;
- while ((line = reader.ReadLine ()) != null) {
- line = line.Trim ();
- if (line.Length == 0 || line [0] == '#')
- continue;
- Match match = ns.Match (line);
- if (match.Success) {
- try {
- str = match.Groups ["address"].Value;
- str = str.Trim ();
- dns_servers.InternalAdd (IPAddress.Parse (str));
- } catch {
- }
- } else {
- match = search.Match (line);
- if (match.Success) {
- str = match.Groups ["domain"].Value;
- string [] parts = str.Split (',');
- dns_suffix = parts [0].Trim ();
- }
- }
- }
- }
- } catch {
- }
- }
- #endif
- public override IPAddressInformationCollection AnycastAddresses {
- get {
- var c = new IPAddressInformationCollection ();
- foreach (IPAddress address in addresses) {
- c.InternalAdd (new SystemIPAddressInformation (address, false, false));
- }
- return c;
- }
- }
- [MonoTODO ("Always returns an empty collection.")]
- public override IPAddressCollection DhcpServerAddresses {
- get {
- // There are lots of different DHCP clients
- // that all store their configuration differently.
- // I'm not sure what to do here.
- IPAddressCollection coll = new IPAddressCollection ();
- return coll;
- }
- }
- public override IPAddressCollection DnsAddresses {
- get {
- #if MONODROID
- GetDNSServersFromOS ();
- #else
- ParseResolvConf ();
- #endif
- return dns_servers;
- }
- }
- public override string DnsSuffix {
- get {
- #if MONODROID
- return String.Empty;
- #else
- ParseResolvConf ();
- return dns_suffix;
- #endif
- }
- }
- [MonoTODO ("Always returns true")]
- public override bool IsDnsEnabled {
- get {
- return true;
- }
- }
- [MonoTODO ("Always returns false")]
- public override bool IsDynamicDnsEnabled {
- get {
- return false;
- }
- }
- public override MulticastIPAddressInformationCollection MulticastAddresses {
- get {
- var multicastAddresses = new MulticastIPAddressInformationCollection ();
- foreach (IPAddress address in addresses) {
- byte[] addressBytes = address.GetAddressBytes ();
- if (addressBytes[0] >= 224 && addressBytes[0] <= 239) {
- multicastAddresses.InternalAdd (new SystemMulticastIPAddressInformation (new SystemIPAddressInformation (address, true, false)));
- }
- }
- return multicastAddresses;
- }
- }
- public override UnicastIPAddressInformationCollection UnicastAddresses {
- get {
- var unicastAddresses = new UnicastIPAddressInformationCollection ();
- foreach (IPAddress address in addresses) {
- switch (address.AddressFamily) {
- case AddressFamily.InterNetwork:
- byte top = address.GetAddressBytes () [0];
- if (top >= 224 && top <= 239)
- continue;
- unicastAddresses.InternalAdd (new LinuxUnicastIPAddressInformation (address));
- break;
- case AddressFamily.InterNetworkV6:
- if (address.IsIPv6Multicast)
- continue;
- unicastAddresses.InternalAdd (new LinuxUnicastIPAddressInformation (address));
- break;
- }
- }
- return unicastAddresses;
- }
- }
- [MonoTODO ("Always returns an empty collection.")]
- public override IPAddressCollection WinsServersAddresses {
- get {
- // I do SUPPOSE we could scrape /etc/samba/smb.conf, but.. yeesh.
- return new IPAddressCollection ();
- }
- }
- }
- }