private static InetAddress[] getAllByName0(String host, InetAddress reqAddr, bool check)
{
/* If it gets here it is presumed to be a hostname */
/* Cache.get can return: null, unknownAddress, or InetAddress[] */
/* make sure the connection to the host is allowed, before we
* give out a hostname
*/
// if (check)
// {
// SecurityManager security = System.getSecurityManager();
// if (security != null)
// {
// security.checkConnect(host, -1);
// }
// }
//
// InetAddress[] addresses = getCachedAddresses(host);
//
// /* If no entry in cache, then do the host lookup */
// if (addresses == null)
// {
// addresses = getAddressesFromNameService(host, reqAddr);
// }
//
// if (addresses == unknown_array)
// throw new UnknownHostException(host);
//
// return addresses.clone();
return(null);
}
String getHostName(bool check)
{
if (holder().getHostName() == null)
{
holder().hostName = InetAddress.getHostFromNameService(this, check);
}
return(holder().getHostName());
}
public InetSocketAddressHolder(String hostname, InetAddress addr, int port)
{
this.hostname = hostname;
this.addr = addr;
this.port = port;
}
private static String getHostFromNameService(InetAddress addr, bool check)
{
// String host = null;
// foreach (NameService nameService in nameServices)
// {
// try
// {
// // first lookup the hostname
// host = nameService.getHostByAddr(addr.getAddress());
//
// /* check to see if calling code is allowed to know
// * the hostname for this IP address, ie, connect to the host
// */
// if (check)
// {
// SecurityManager sec = System.getSecurityManager();
//
// if (sec != null)
// {
// sec.checkConnect(host, -1);
// }
// }
//
// /* now get all the IP addresses for this hostname,
// * and make sure one of them matches the original IP
// * address. We do this to try and prevent spoofing.
// */
// InetAddress[] arr = InetAddress.getAllByName0(host, check);
// bool ok = false;
//
// if (arr != null)
// {
// for (int i = 0; !ok && i < arr.Length; i++)
// {
// ok = addr.Equals(arr[i]);
// }
// }
//
// //XXX: if it looks a spoof just return the address?
// if (!ok)
// {
// host = addr.getHostAddress();
// return host;
// }
//
// break;
//
// }
// catch (SecurityException e)
// {
// host = addr.getHostAddress();
// break;
// }
// catch (UnknownHostException e)
// {
// host = addr.getHostAddress();
// // let next provider resolve the hostname
// }
// }
//
// return host;
return(null);
}
