//
#if NET_2_0
using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
using System.Net.Sockets;
+using System.Text.RegularExpressions;
namespace System.Net.NetworkInformation {
public abstract class IPInterfaceProperties {
public abstract IPAddressCollection WinsServersAddresses { get; }
}
- class LinuxIPInterfaceProperties : IPInterfaceProperties
+ abstract class UnixIPInterfaceProperties : IPInterfaceProperties
{
- IPv4InterfaceProperties ipv4iface_properties;
- LinuxNetworkInterface iface;
+ protected IPv4InterfaceProperties ipv4iface_properties;
+ protected UnixNetworkInterface iface;
List <IPAddress> addresses;
+ IPAddressCollection dns_servers;
+ IPAddressCollection gateways;
+ string dns_suffix;
+ DateTime last_parse;
- public LinuxIPInterfaceProperties (LinuxNetworkInterface iface, List <IPAddress> addresses)
+ public UnixIPInterfaceProperties (UnixNetworkInterface iface, List <IPAddress> addresses)
{
this.iface = iface;
this.addresses = addresses;
}
- public override IPv4InterfaceProperties GetIPv4Properties ()
+ public override IPv6InterfaceProperties GetIPv6Properties ()
{
- if (ipv4iface_properties == null)
- ipv4iface_properties = new LinuxIPv4InterfaceProperties (iface);
-
- return ipv4iface_properties;
+ throw new NotImplementedException ();
}
- public override IPv6InterfaceProperties GetIPv6Properties ()
+ void ParseRouteInfo (string iface)
{
- throw new NotImplementedException ();
+ try {
+ gateways = new IPAddressCollection ();
+ using (StreamReader reader = new StreamReader ("/proc/net/route")) {
+ string line;
+ reader.ReadLine (); // Ignore first line
+ while ((line = reader.ReadLine ()) != null) {
+ line = line.Trim ();
+ if (line.Length == 0)
+ continue;
+
+ string [] parts = line.Split ('\t');
+ if (parts.Length < 3)
+ continue;
+ string gw_address = parts [2].Trim ();
+ byte [] ipbytes = new byte [4];
+ if (gw_address.Length == 8 && iface.Equals (parts [0], StringComparison.OrdinalIgnoreCase)) {
+ for (int i = 0; i < 4; i++) {
+ if (!Byte.TryParse (gw_address.Substring (i * 2, 2), NumberStyles.HexNumber, null, out ipbytes [3 - i]))
+ continue;
+ }
+ IPAddress ip = new IPAddress (ipbytes);
+ if (!ip.Equals (IPAddress.Any))
+ gateways.Add (ip);
+ }
+ }
+ }
+ } catch {
+ }
+ }
+
+ static Regex ns = new Regex (@"\s*nameserver\s+(?<address>.*)");
+ static Regex search = new Regex (@"\s*search\s+(?<domain>.*)");
+ 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.Add (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 {
+ } finally {
+ dns_servers.SetReadOnly ();
+ }
}
public override IPAddressInformationCollection AnycastAddresses {
// There are lots of different DHCP clients
// that all store their configuration differently.
// I'm not sure what to do here.
- return new IPAddressCollection ();
+ IPAddressCollection coll = new IPAddressCollection ();
+ coll.SetReadOnly ();
+ return coll;
}
}
- [MonoTODO ("Always returns an empty collection.")]
public override IPAddressCollection DnsAddresses {
get {
- // XXX: Parse /etc/resolv.conf, I suppose.
- return new IPAddressCollection ();
+ ParseResolvConf ();
+ return dns_servers;
}
}
- [MonoTODO ("Does not return anything.")]
public override string DnsSuffix {
get {
- // XXX: Also parse resolv.conf?
- return String.Empty;
+ ParseResolvConf ();
+ return dns_suffix;
}
}
-
- [MonoTODO ("Always returns an empty collection.")]
+
public override GatewayIPAddressInformationCollection GatewayAddresses {
get {
- // XXX: Pull information from route table.
- return LinuxGatewayIPAddressInformationCollection.Empty;
+ ParseRouteInfo (this.iface.Name.ToString());
+ if (gateways.Count > 0)
+ return new LinuxGatewayIPAddressInformationCollection (gateways);
+ else
+ return LinuxGatewayIPAddressInformationCollection.Empty;
}
}
}
}
+ class LinuxIPInterfaceProperties : UnixIPInterfaceProperties
+ {
+ public LinuxIPInterfaceProperties (LinuxNetworkInterface iface, List <IPAddress> addresses)
+ : base (iface, addresses)
+ {
+ }
+
+ public override IPv4InterfaceProperties GetIPv4Properties ()
+ {
+ if (ipv4iface_properties == null)
+ ipv4iface_properties = new LinuxIPv4InterfaceProperties (iface as LinuxNetworkInterface);
+
+ return ipv4iface_properties;
+ }
+ }
+
+ class MacOsIPInterfaceProperties : UnixIPInterfaceProperties
+ {
+ public MacOsIPInterfaceProperties (MacOsNetworkInterface iface, List <IPAddress> addresses)
+ : base (iface, addresses)
+ {
+ }
+
+ public override IPv4InterfaceProperties GetIPv4Properties ()
+ {
+ if (ipv4iface_properties == null)
+ ipv4iface_properties = new MacOsIPv4InterfaceProperties (iface as MacOsNetworkInterface);
+
+ return ipv4iface_properties;
+ }
+ }
+
class Win32IPInterfaceProperties2 : IPInterfaceProperties
{
readonly Win32_IP_ADAPTER_ADDRESSES addr;
}
public override UnicastIPAddressInformationCollection UnicastAddresses {
- get { return UnicastIPAddressInformationImplCollection.Win32FromUnicast (addr.FirstUnicastAddress); }
+ get {
+ Win32_IP_ADAPTER_INFO ai = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
+ // FIXME: should ipv6 DhcpServer be considered?
+ return ai != null ? UnicastIPAddressInformationImplCollection.Win32FromUnicast ((int) ai.Index, addr.FirstUnicastAddress) : UnicastIPAddressInformationImplCollection.Empty;
+ }
}
public override IPAddressCollection WinsServersAddresses {