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annotate src/net/sourceforge/jsocks/Authentication.java @ 381:95188bd4badb

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author Carl Byington <carl@five-ten-sg.com>
date Wed, 06 Aug 2014 10:38:50 -0700
parents 205ee2873330
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205ee2873330 update jsocks to 2011-03-19
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1 package net.sourceforge.jsocks;
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2
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3 /**
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4 The Authentication interface provides for performing method specific
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5 authentication for SOCKS5 connections.
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6 */
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7 public interface Authentication{
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8 /**
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9 This method is called when SOCKS5 server have selected a particular
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10 authentication method, for whch an implementaion have been registered.
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11
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12 <p>
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13 This method should return an array {inputstream,outputstream
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14 [,UDPEncapsulation]}. The reason for that is that SOCKS5 protocol
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15 allows to have method specific encapsulation of data on the socket for
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16 purposes of integrity or security. And this encapsulation should be
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17 performed by those streams returned from the method. It is also possible
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18 to encapsulate datagrams. If authentication method supports such
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19 encapsulation an instance of the UDPEncapsulation interface should be
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20 returned as third element of the array, otherwise either null should be
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21 returned as third element, or array should contain only 2 elements.
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22
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23 @param methodId Authentication method selected by the server.
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24 @param proxySocket Socket used to conect to the proxy.
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25 @return Two or three element array containing
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26 Input/Output streams which should be used on this connection.
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27 Third argument is optional and should contain an instance
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28 of UDPEncapsulation. It should be provided if the authentication
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29 method used requires any encapsulation to be done on the
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30 datagrams.
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31 */
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32 Object[] doSocksAuthentication(int methodId,java.net.Socket proxySocket)
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33 throws java.io.IOException;
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34 }