mirror of
https://github.com/opensim/opensim.git
synced 2026-08-10 19:36:07 +08:00
Update svn properties.
This commit is contained in:
Jeff Ames
@@ -1,221 +1,221 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Net.Sockets;
|
||||
using System.Net;
|
||||
using System.Net.NetworkInformation;
|
||||
using System.Reflection;
|
||||
using log4net;
|
||||
|
||||
namespace OpenSim.Framework
|
||||
{
|
||||
/// <summary>
|
||||
/// Handles NAT translation in a 'manner of speaking'
|
||||
/// Allows you to return multiple different external
|
||||
/// hostnames depending on the requestors network
|
||||
///
|
||||
/// This enables standard port forwarding techniques
|
||||
/// to work correctly with OpenSim.
|
||||
/// </summary>
|
||||
public static class NetworkUtil
|
||||
{
|
||||
// Logger
|
||||
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
||||
|
||||
private static bool m_disabled = true;
|
||||
|
||||
public static bool Enabled
|
||||
{
|
||||
set { m_disabled = value; }
|
||||
get { return m_disabled; }
|
||||
}
|
||||
|
||||
// IPv4Address, Subnet
|
||||
static readonly Dictionary<IPAddress,IPAddress> m_subnets = new Dictionary<IPAddress, IPAddress>();
|
||||
|
||||
public static IPAddress GetIPFor(IPAddress user, IPAddress simulator)
|
||||
{
|
||||
if(m_disabled)
|
||||
return simulator;
|
||||
|
||||
// Check if we're accessing localhost.
|
||||
foreach (IPAddress host in Dns.GetHostAddresses(Dns.GetHostName()))
|
||||
{
|
||||
if (host.Equals(user) && host.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Localhost user detected, sending them '" + host + "' instead of '" + simulator + "'");
|
||||
return host;
|
||||
}
|
||||
}
|
||||
|
||||
// Check for same LAN segment
|
||||
foreach (KeyValuePair<IPAddress, IPAddress> subnet in m_subnets)
|
||||
{
|
||||
byte[] subnetBytes = subnet.Value.GetAddressBytes();
|
||||
byte[] localBytes = subnet.Key.GetAddressBytes();
|
||||
byte[] destBytes = user.GetAddressBytes();
|
||||
|
||||
if (subnetBytes.Length != destBytes.Length || subnetBytes.Length != localBytes.Length)
|
||||
return null;
|
||||
|
||||
bool valid = true;
|
||||
|
||||
for (int i = 0; i < subnetBytes.Length; i++)
|
||||
{
|
||||
if ((localBytes[i] & subnetBytes[i]) != (destBytes[i] & subnetBytes[i]))
|
||||
{
|
||||
valid = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (subnet.Key.AddressFamily != AddressFamily.InterNetwork)
|
||||
valid = false;
|
||||
|
||||
if (valid)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Local LAN user detected, sending them '" + subnet.Key + "' instead of '" + simulator + "'");
|
||||
return subnet.Key;
|
||||
}
|
||||
}
|
||||
|
||||
// Otherwise, return outside address
|
||||
return simulator;
|
||||
}
|
||||
|
||||
private static IPAddress GetExternalIPFor(IPAddress destination, string defaultHostname)
|
||||
{
|
||||
// Adds IPv6 Support (Not that any of the major protocols supports it...)
|
||||
if (destination.AddressFamily == AddressFamily.InterNetworkV6)
|
||||
{
|
||||
foreach (IPAddress host in Dns.GetHostAddresses(defaultHostname))
|
||||
{
|
||||
if (host.AddressFamily == AddressFamily.InterNetworkV6)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Localhost user detected, sending them '" + host + "' instead of '" + defaultHostname + "'");
|
||||
return host;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(destination.AddressFamily != AddressFamily.InterNetwork)
|
||||
return null;
|
||||
|
||||
// Check if we're accessing localhost.
|
||||
foreach (KeyValuePair<IPAddress, IPAddress> pair in m_subnets)
|
||||
{
|
||||
IPAddress host = pair.Value;
|
||||
if (host.Equals(destination) && host.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
m_log.Info("[NATROUTING] Localhost user detected, sending them '" + host + "' instead of '" + defaultHostname + "'");
|
||||
return destination;
|
||||
}
|
||||
}
|
||||
|
||||
// Check for same LAN segment
|
||||
foreach (KeyValuePair<IPAddress, IPAddress> subnet in m_subnets)
|
||||
{
|
||||
byte[] subnetBytes = subnet.Value.GetAddressBytes();
|
||||
byte[] localBytes = subnet.Key.GetAddressBytes();
|
||||
byte[] destBytes = destination.GetAddressBytes();
|
||||
|
||||
if(subnetBytes.Length != destBytes.Length || subnetBytes.Length != localBytes.Length)
|
||||
return null;
|
||||
|
||||
bool valid = true;
|
||||
|
||||
for(int i=0;i<subnetBytes.Length;i++)
|
||||
{
|
||||
if ((localBytes[i] & subnetBytes[i]) != (destBytes[i] & subnetBytes[i]))
|
||||
{
|
||||
valid = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (subnet.Key.AddressFamily != AddressFamily.InterNetwork)
|
||||
valid = false;
|
||||
|
||||
if (valid)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Local LAN user detected, sending them '" + subnet.Key + "' instead of '" + defaultHostname + "'");
|
||||
return subnet.Key;
|
||||
}
|
||||
}
|
||||
|
||||
// Check to see if we can find a IPv4 address.
|
||||
foreach (IPAddress host in Dns.GetHostAddresses(defaultHostname))
|
||||
{
|
||||
if (host.AddressFamily == AddressFamily.InterNetwork)
|
||||
return host;
|
||||
}
|
||||
|
||||
// Unable to find anything.
|
||||
throw new ArgumentException("[NetworkUtil] Unable to resolve defaultHostname to an IPv4 address for an IPv4 client");
|
||||
}
|
||||
|
||||
static NetworkUtil()
|
||||
{
|
||||
try
|
||||
{
|
||||
foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
|
||||
{
|
||||
foreach (UnicastIPAddressInformation address in ni.GetIPProperties().UnicastAddresses)
|
||||
{
|
||||
if (address.Address.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
if (address.IPv4Mask != null)
|
||||
{
|
||||
m_subnets.Add(address.Address, address.IPv4Mask);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (NotImplementedException)
|
||||
{
|
||||
// Mono Sucks.
|
||||
}
|
||||
}
|
||||
|
||||
public static IPAddress GetIPFor(IPEndPoint user, string defaultHostname)
|
||||
{
|
||||
if (!m_disabled)
|
||||
{
|
||||
// Try subnet matching
|
||||
IPAddress rtn = GetExternalIPFor(user.Address, defaultHostname);
|
||||
if (rtn != null)
|
||||
return rtn;
|
||||
}
|
||||
|
||||
// Otherwise use the old algorithm
|
||||
IPAddress ia;
|
||||
|
||||
if (IPAddress.TryParse(defaultHostname, out ia))
|
||||
return ia;
|
||||
|
||||
ia = null;
|
||||
|
||||
foreach (IPAddress Adr in Dns.GetHostAddresses(defaultHostname))
|
||||
{
|
||||
if (Adr.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
ia = Adr;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return ia;
|
||||
}
|
||||
|
||||
public static string GetHostFor(IPAddress user, string defaultHostname)
|
||||
{
|
||||
if (!m_disabled)
|
||||
{
|
||||
IPAddress rtn = GetExternalIPFor(user, defaultHostname);
|
||||
if (rtn != null)
|
||||
return rtn.ToString();
|
||||
}
|
||||
return defaultHostname;
|
||||
}
|
||||
}
|
||||
}
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Net.Sockets;
|
||||
using System.Net;
|
||||
using System.Net.NetworkInformation;
|
||||
using System.Reflection;
|
||||
using log4net;
|
||||
|
||||
namespace OpenSim.Framework
|
||||
{
|
||||
/// <summary>
|
||||
/// Handles NAT translation in a 'manner of speaking'
|
||||
/// Allows you to return multiple different external
|
||||
/// hostnames depending on the requestors network
|
||||
///
|
||||
/// This enables standard port forwarding techniques
|
||||
/// to work correctly with OpenSim.
|
||||
/// </summary>
|
||||
public static class NetworkUtil
|
||||
{
|
||||
// Logger
|
||||
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
||||
|
||||
private static bool m_disabled = true;
|
||||
|
||||
public static bool Enabled
|
||||
{
|
||||
set { m_disabled = value; }
|
||||
get { return m_disabled; }
|
||||
}
|
||||
|
||||
// IPv4Address, Subnet
|
||||
static readonly Dictionary<IPAddress,IPAddress> m_subnets = new Dictionary<IPAddress, IPAddress>();
|
||||
|
||||
public static IPAddress GetIPFor(IPAddress user, IPAddress simulator)
|
||||
{
|
||||
if(m_disabled)
|
||||
return simulator;
|
||||
|
||||
// Check if we're accessing localhost.
|
||||
foreach (IPAddress host in Dns.GetHostAddresses(Dns.GetHostName()))
|
||||
{
|
||||
if (host.Equals(user) && host.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Localhost user detected, sending them '" + host + "' instead of '" + simulator + "'");
|
||||
return host;
|
||||
}
|
||||
}
|
||||
|
||||
// Check for same LAN segment
|
||||
foreach (KeyValuePair<IPAddress, IPAddress> subnet in m_subnets)
|
||||
{
|
||||
byte[] subnetBytes = subnet.Value.GetAddressBytes();
|
||||
byte[] localBytes = subnet.Key.GetAddressBytes();
|
||||
byte[] destBytes = user.GetAddressBytes();
|
||||
|
||||
if (subnetBytes.Length != destBytes.Length || subnetBytes.Length != localBytes.Length)
|
||||
return null;
|
||||
|
||||
bool valid = true;
|
||||
|
||||
for (int i = 0; i < subnetBytes.Length; i++)
|
||||
{
|
||||
if ((localBytes[i] & subnetBytes[i]) != (destBytes[i] & subnetBytes[i]))
|
||||
{
|
||||
valid = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (subnet.Key.AddressFamily != AddressFamily.InterNetwork)
|
||||
valid = false;
|
||||
|
||||
if (valid)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Local LAN user detected, sending them '" + subnet.Key + "' instead of '" + simulator + "'");
|
||||
return subnet.Key;
|
||||
}
|
||||
}
|
||||
|
||||
// Otherwise, return outside address
|
||||
return simulator;
|
||||
}
|
||||
|
||||
private static IPAddress GetExternalIPFor(IPAddress destination, string defaultHostname)
|
||||
{
|
||||
// Adds IPv6 Support (Not that any of the major protocols supports it...)
|
||||
if (destination.AddressFamily == AddressFamily.InterNetworkV6)
|
||||
{
|
||||
foreach (IPAddress host in Dns.GetHostAddresses(defaultHostname))
|
||||
{
|
||||
if (host.AddressFamily == AddressFamily.InterNetworkV6)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Localhost user detected, sending them '" + host + "' instead of '" + defaultHostname + "'");
|
||||
return host;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(destination.AddressFamily != AddressFamily.InterNetwork)
|
||||
return null;
|
||||
|
||||
// Check if we're accessing localhost.
|
||||
foreach (KeyValuePair<IPAddress, IPAddress> pair in m_subnets)
|
||||
{
|
||||
IPAddress host = pair.Value;
|
||||
if (host.Equals(destination) && host.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
m_log.Info("[NATROUTING] Localhost user detected, sending them '" + host + "' instead of '" + defaultHostname + "'");
|
||||
return destination;
|
||||
}
|
||||
}
|
||||
|
||||
// Check for same LAN segment
|
||||
foreach (KeyValuePair<IPAddress, IPAddress> subnet in m_subnets)
|
||||
{
|
||||
byte[] subnetBytes = subnet.Value.GetAddressBytes();
|
||||
byte[] localBytes = subnet.Key.GetAddressBytes();
|
||||
byte[] destBytes = destination.GetAddressBytes();
|
||||
|
||||
if(subnetBytes.Length != destBytes.Length || subnetBytes.Length != localBytes.Length)
|
||||
return null;
|
||||
|
||||
bool valid = true;
|
||||
|
||||
for(int i=0;i<subnetBytes.Length;i++)
|
||||
{
|
||||
if ((localBytes[i] & subnetBytes[i]) != (destBytes[i] & subnetBytes[i]))
|
||||
{
|
||||
valid = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (subnet.Key.AddressFamily != AddressFamily.InterNetwork)
|
||||
valid = false;
|
||||
|
||||
if (valid)
|
||||
{
|
||||
m_log.Info("[NetworkUtil] Local LAN user detected, sending them '" + subnet.Key + "' instead of '" + defaultHostname + "'");
|
||||
return subnet.Key;
|
||||
}
|
||||
}
|
||||
|
||||
// Check to see if we can find a IPv4 address.
|
||||
foreach (IPAddress host in Dns.GetHostAddresses(defaultHostname))
|
||||
{
|
||||
if (host.AddressFamily == AddressFamily.InterNetwork)
|
||||
return host;
|
||||
}
|
||||
|
||||
// Unable to find anything.
|
||||
throw new ArgumentException("[NetworkUtil] Unable to resolve defaultHostname to an IPv4 address for an IPv4 client");
|
||||
}
|
||||
|
||||
static NetworkUtil()
|
||||
{
|
||||
try
|
||||
{
|
||||
foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
|
||||
{
|
||||
foreach (UnicastIPAddressInformation address in ni.GetIPProperties().UnicastAddresses)
|
||||
{
|
||||
if (address.Address.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
if (address.IPv4Mask != null)
|
||||
{
|
||||
m_subnets.Add(address.Address, address.IPv4Mask);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (NotImplementedException)
|
||||
{
|
||||
// Mono Sucks.
|
||||
}
|
||||
}
|
||||
|
||||
public static IPAddress GetIPFor(IPEndPoint user, string defaultHostname)
|
||||
{
|
||||
if (!m_disabled)
|
||||
{
|
||||
// Try subnet matching
|
||||
IPAddress rtn = GetExternalIPFor(user.Address, defaultHostname);
|
||||
if (rtn != null)
|
||||
return rtn;
|
||||
}
|
||||
|
||||
// Otherwise use the old algorithm
|
||||
IPAddress ia;
|
||||
|
||||
if (IPAddress.TryParse(defaultHostname, out ia))
|
||||
return ia;
|
||||
|
||||
ia = null;
|
||||
|
||||
foreach (IPAddress Adr in Dns.GetHostAddresses(defaultHostname))
|
||||
{
|
||||
if (Adr.AddressFamily == AddressFamily.InterNetwork)
|
||||
{
|
||||
ia = Adr;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return ia;
|
||||
}
|
||||
|
||||
public static string GetHostFor(IPAddress user, string defaultHostname)
|
||||
{
|
||||
if (!m_disabled)
|
||||
{
|
||||
IPAddress rtn = GetExternalIPFor(user, defaultHostname);
|
||||
if (rtn != null)
|
||||
return rtn.ToString();
|
||||
}
|
||||
return defaultHostname;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user