| 0,0 → 1,49 |
|---|
| using System; |
| using System.Collections.Generic; |
| using System.Net; |
| using System.Text; |
| using System.Text.RegularExpressions; |
| |
| namespace TCPproxy |
| { |
| abstract class HostUtils |
| { |
| public static IPAddress ResendHostToIp(string host) |
| { |
| IPAddress ip; |
| |
| if(host == "") |
| { |
| throw new Exception("Please enter the resend host"); |
| } |
| |
| Regex ipRegex = new Regex(@"^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$"); |
| if(ipRegex.Match(host).Success) |
| { |
| try |
| { |
| ip = IPAddress.Parse(host); |
| } |
| catch(FormatException) |
| { |
| throw new Exception("Wrong IP address of the resend host"); |
| } |
| } |
| else |
| { |
| IPHostEntry hostInfo = Dns.GetHostEntry(host); |
| |
| if(hostInfo.AddressList.Length > 0) |
| { |
| ip = hostInfo.AddressList[0]; |
| } |
| else |
| { |
| throw new Exception("Cannot find IP address of the resend host"); |
| } |
| } |
| |
| return ip; |
| } |
| } |
| } |