//
// System.Net.NetworkInformation.IPInterfaceProperties
//
-// Author:
+// Authors:
// Gonzalo Paniagua Javier (gonzalo@novell.com)
+// Atsushi Enomoto (atsushi@ximian.com)
//
-// Copyright (c) 2006 Novell, Inc. (http://www.novell.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
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#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 {
protected IPInterfaceProperties ()
public abstract UnicastIPAddressInformationCollection UnicastAddresses { get; }
public abstract IPAddressCollection WinsServersAddresses { get; }
}
+
+ abstract class UnixIPInterfaceProperties : IPInterfaceProperties
+ {
+ protected IPv4InterfaceProperties ipv4iface_properties;
+ protected UnixNetworkInterface iface;
+ List <IPAddress> addresses;
+ IPAddressCollection dns_servers;
+ IPAddressCollection gateways;
+ string dns_suffix;
+ DateTime last_parse;
+
+ public UnixIPInterfaceProperties (UnixNetworkInterface iface, List <IPAddress> addresses)
+ {
+ this.iface = iface;
+ this.addresses = addresses;
+ }
+
+ public override IPv6InterfaceProperties GetIPv6Properties ()
+ {
+ throw new NotImplementedException ();
+ }
+
+ void ParseRouteInfo (string iface)
+ {
+ 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 {
+ get {
+ List<IPAddress> anycastAddresses = new List<IPAddress> ();
+ /* XXX:
+ foreach (IPAddress address in addresses) {
+ if (is_anycast_address (address)) {
+ anycastAddresses.Add (address);
+ }
+ }
+ */
+ return IPAddressInformationImplCollection.LinuxFromAnycast (anycastAddresses);
+ }
+ }
+
+ [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 ();
+ coll.SetReadOnly ();
+ return coll;
+ }
+ }
+
+ public override IPAddressCollection DnsAddresses {
+ get {
+ ParseResolvConf ();
+ return dns_servers;
+ }
+ }
+
+ public override string DnsSuffix {
+ get {
+ ParseResolvConf ();
+ return dns_suffix;
+ }
+ }
+
+ public override GatewayIPAddressInformationCollection GatewayAddresses {
+ get {
+ ParseRouteInfo (this.iface.Name.ToString());
+ if (gateways.Count > 0)
+ return new LinuxGatewayIPAddressInformationCollection (gateways);
+ else
+ return LinuxGatewayIPAddressInformationCollection.Empty;
+ }
+ }
+
+ [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 {
+ List<IPAddress> multicastAddresses = new List<IPAddress> ();
+ foreach (IPAddress address in addresses) {
+ byte[] addressBytes = address.GetAddressBytes ();
+ if (addressBytes[0] >= 224 && addressBytes[0] <= 239) {
+ multicastAddresses.Add (address);
+ }
+ }
+ return MulticastIPAddressInformationImplCollection.LinuxFromList (multicastAddresses);
+ }
+ }
+
+ public override UnicastIPAddressInformationCollection UnicastAddresses {
+ get {
+ List<IPAddress> unicastAddresses = new List<IPAddress> ();
+ foreach (IPAddress address in addresses) {
+ switch (address.AddressFamily) {
+ case AddressFamily.InterNetwork:
+ byte top = address.GetAddressBytes () [0];
+ if (top >= 224 && top <= 239)
+ continue;
+ unicastAddresses.Add (address);
+ break;
+
+ case AddressFamily.InterNetworkV6:
+ if (address.IsIPv6Multicast)
+ continue;
+ unicastAddresses.Add (address);
+ break;
+ }
+ }
+ return UnicastIPAddressInformationImplCollection.LinuxFromList (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 ();
+ }
+ }
+ }
+
+ 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;
+ readonly Win32_MIB_IFROW mib4, mib6;
+
+ public Win32IPInterfaceProperties2 (Win32_IP_ADAPTER_ADDRESSES addr, Win32_MIB_IFROW mib4, Win32_MIB_IFROW mib6)
+ {
+ this.addr = addr;
+ this.mib4 = mib4;
+ this.mib6 = mib6;
+ }
+
+ public override IPv4InterfaceProperties GetIPv4Properties ()
+ {
+ Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
+ return v4info != null ? new Win32IPv4InterfaceProperties (v4info, mib4) : null;
+ }
+
+ public override IPv6InterfaceProperties GetIPv6Properties ()
+ {
+ Win32_IP_ADAPTER_INFO v6info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib6.Index);
+ return v6info != null ? new Win32IPv6InterfaceProperties (mib6) : null;
+ }
+
+ public override IPAddressInformationCollection AnycastAddresses {
+ get { return IPAddressInformationImplCollection.Win32FromAnycast (addr.FirstAnycastAddress); }
+ }
+
+ public override IPAddressCollection DhcpServerAddresses {
+ get {
+ Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
+ // FIXME: should ipv6 DhcpServer be considered?
+ return v4info != null ? new Win32IPAddressCollection (v4info.DhcpServer) : Win32IPAddressCollection.Empty;
+ }
+ }
+
+ public override IPAddressCollection DnsAddresses {
+ get { return Win32IPAddressCollection.FromDnsServer (addr.FirstDnsServerAddress); }
+ }
+
+ public override string DnsSuffix {
+ get { return addr.DnsSuffix; }
+ }
+
+ public override GatewayIPAddressInformationCollection GatewayAddresses {
+ get {
+ Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
+ // FIXME: should ipv6 DhcpServer be considered?
+ return v4info != null ? new Win32GatewayIPAddressInformationCollection (v4info.GatewayList) : Win32GatewayIPAddressInformationCollection.Empty;
+ }
+ }
+
+ public override bool IsDnsEnabled {
+ get { return Win32_FIXED_INFO.Instance.EnableDns != 0; }
+ }
+
+ public override bool IsDynamicDnsEnabled {
+ get { return addr.DdnsEnabled; }
+ }
+
+ public override MulticastIPAddressInformationCollection MulticastAddresses {
+ get { return MulticastIPAddressInformationImplCollection.Win32FromMulticast (addr.FirstMulticastAddress); }
+ }
+
+ public override UnicastIPAddressInformationCollection UnicastAddresses {
+ 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 {
+ get {
+ Win32_IP_ADAPTER_INFO v4info = Win32NetworkInterface2.GetAdapterInfoByIndex (mib4.Index);
+ // FIXME: should ipv6 DhcpServer be considered?
+ return v4info != null ? new Win32IPAddressCollection (v4info.PrimaryWinsServer, v4info.SecondaryWinsServer) : Win32IPAddressCollection.Empty;
+ }
+ }
+
+ }
}
#endif
projects / mono.git / blobdiff