1 | package nu.fw.jeti.plugins.filetransfer.socks5.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 | } |
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