2016-06-20 12:37:14 -07:00
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/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2015 ZeroTier, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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using UnityEngine;
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2016-06-16 11:47:08 -07:00
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using System.Collections;
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using System.Net;
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using System;
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using System.Globalization;
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using System.Runtime.InteropServices;
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public class ZeroTierUtils {
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// Handles IPv4 and IPv6 notation.
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public static IPEndPoint CreateIPEndPoint(string endPoint)
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{
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string[] ep = endPoint.Split(':');
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if (ep.Length < 2) throw new FormatException("Invalid endpoint format");
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IPAddress ip;
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if (ep.Length > 2) {
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if (!IPAddress.TryParse(string.Join(":", ep, 0, ep.Length - 1), out ip)) {
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throw new FormatException("Invalid ip-adress");
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}
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}
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else {
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if (!IPAddress.TryParse(ep[0], out ip)) {
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throw new FormatException("Invalid ip-adress");
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}
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}
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int port;
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if (!int.TryParse(ep[ep.Length - 1], NumberStyles.None, NumberFormatInfo.CurrentInfo, out port)) {
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throw new FormatException("Invalid port");
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}
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return new IPEndPoint(ip, port);
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}
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// Generates an unmanaged sockaddr structure from a string-formatted endpoint
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public static GCHandle Generate_unmananged_sockaddr(string endpoint_str)
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{
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IPEndPoint ipEndPoint;
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ipEndPoint = ZeroTierUtils.CreateIPEndPoint (endpoint_str);
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SocketAddress socketAddress = ipEndPoint.Serialize ();
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// use an array of bytes instead of the sockaddr structure
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byte[] sockAddrStructureBytes = new byte[socketAddress.Size];
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GCHandle sockAddrHandle = GCHandle.Alloc (sockAddrStructureBytes, GCHandleType.Pinned);
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for (int i = 0; i < socketAddress.Size; ++i) {
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sockAddrStructureBytes [i] = socketAddress [i];
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}
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return sockAddrHandle;
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}
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public static GCHandle Generate_unmanaged_buffer(byte[] buf)
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{
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// use an array of bytes instead of the sockaddr structure
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GCHandle sockAddrHandle = GCHandle.Alloc (buf, GCHandleType.Pinned);
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return sockAddrHandle;
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}
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}
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