61 lines
2.4 KiB
C#
61 lines
2.4 KiB
C#
//
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// Authors:
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// Alan McGovern alan.mcgovern@gmail.com
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//
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// Copyright (C) 2006 Alan McGovern
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Net;
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using System.Text;
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namespace Mono.Nat.Upnp
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{
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internal static class DiscoverDeviceMessage
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{
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/// <summary>
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/// The message sent to discover all uPnP devices on the network
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/// </summary>
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/// <returns></returns>
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public static byte[] EncodeSSDP()
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{
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string s = "M-SEARCH * HTTP/1.1\r\n"
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+ "HOST: 239.255.255.250:1900\r\n"
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+ "MAN: \"ssdp:discover\"\r\n"
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+ "MX: 3\r\n"
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+ "ST: ssdp:all\r\n\r\n";
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return UTF8Encoding.ASCII.GetBytes(s);
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}
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public static byte[] EncodeUnicast(IPAddress gatewayAddress)
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{
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//Format obtained from http://upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.1.pdf pg 31
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//This method only works with upnp 1.1 routers... unfortunately
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string s = "M-SEARCH * HTTP/1.1\r\n"
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+ "HOST: " + gatewayAddress + ":1900\r\n"
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+ "MAN: \"ssdp:discover\"\r\n"
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+ "ST: ssdp:all\r\n\r\n";
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//+ "USER-AGENT: unix/5.1 UPnP/1.1 MyProduct/1.0\r\n\r\n";
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return UTF8Encoding.ASCII.GetBytes(s);
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}
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}
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}
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