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Podcast 2×02: SOCKS5 Bytestreams (XEP-0065)

Reading time: 116 – 194 minutes

La segona part sobre la trilogia de SOCKS5.

El podcast:

[display_podcast]

Exemples extrets del XEP-0065:

Example 1. Initiator Sends Service Discovery Request to Target

<iq type='get'
    from='initiator@example.com/foo'
    to='target@example.org/bar'
    id='hello'>
  <query xmlns='http://jabber.org/protocol/disco#info'/>
</iq>

Example 2. Target Replies to Service Discovery Request

<iq type='result'
    from='target@example.org/bar'
    to='initiator@example.com/foo'
    id='hello'>
  <query xmlns='http://jabber.org/protocol/disco#info'>
    <identity
        category='proxy'
        type='bytestreams'
        name='SOCKS5 Bytestreams Service'/>
    <feature var='http://jabber.org/protocol/bytestreams'/>
  </query>
</iq>

Example 3. Initiator Sends Service Discovery Request to Server

<iq type='get'
    from='initiator@example.com/foo'
    to='example.com'
    id='server_items'>
  <query xmlns='http://jabber.org/protocol/disco#items'/>
</iq>

Example 4. Server Replies to Service Discovery Request

<iq type='result'
    from='example.com'
    to='initiator@example.com/foo'
    id='server_items'>
  <query xmlns='http://jabber.org/protocol/disco#items'>
    <item jid='streamhostproxy.example.net' name='Bytestreams Proxy'/>
  </query>
</iq>

Example 5. Initiator Sends Service Discovery Request to Proxy

<iq type='get'
    from='initiator@example.com/foo'
    to='streamhostproxy.example.net'
    id='proxy_info'>
  <query xmlns='http://jabber.org/protocol/disco#info'/>
</iq>

Example 6. Server Replies to Service Discovery Request

<iq type='result'
    from='streamhostproxy.example.net'
    to='initiator@example.com/foo'
    id='proxy_info'>
  <query xmlns='http://jabber.org/protocol/disco#info'>
    <identity category='proxy'
              type='bytestreams'
              name='SOCKS5 Bytestreams Service'/>
    <feature var='http://jabber.org/protocol/bytestreams'/>
  </query>
</iq>

Example 7. Initiator Requests Network Address from Proxy

<iq type='get'
    from='initiator@example.com/foo'
    to='streamhostproxy.example.net'
    id='discover'>
  <query xmlns='http://jabber.org/protocol/bytestreams'
         sid='vxf9n471bn46'/>
</iq>

Example 8. Proxy Informs Initiator of Network Address

<iq type='result'
    from='streamhostproxy.example.net'
    to='initiator@example.com/foo'
    id='discover'>
  <query xmlns='http://jabber.org/protocol/bytestreams'>
         sid='vxf9n471bn46'>
    <streamhost
        jid='streamhostproxy.example.net'
        host='24.24.24.1'
        p
        zeroconf='_jabber.bytestreams'/>
  </query>
</iq>

Example 9. Proxy Returns Error to Initiator

<iq type='error'
    from='initiator@example.com/foo'
    to='streamhostproxy.example.net'
    id='discover'>
  <query xmlns='http://jabber.org/protocol/bytestreams'
         sid='vxf9n471bn46'/>
  <error code='403' type='auth'>
    <forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
  </error>
</iq>

Example 10. Proxy Returns Error to Initiator

<iq type='error'
    from='initiator@example.com/foo'
    to='streamhostproxy.example.net'
    id='discover'>
  <query xmlns='http://jabber.org/protocol/bytestreams'
         sid='vxf9n471bn46'/>
  <error code='405' type='cancel'>
    <not-allowed xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
  </error>
</iq>

Example 11. Initiation of Interaction

<iq type='set'
    from='initiator@example.com/foo'
    to='target@example.org/bar'
    id='initiate'>
  <query xmlns='http://jabber.org/protocol/bytestreams'
         sid='vxf9n471bn46'
         mode='tcp'>
    <streamhost
        jid='initiator@example.com/foo'
        host='192.168.4.1'
        port='5086'/>
    <streamhost
        jid='streamhostproxy.example.net'
        host='24.24.24.1'
        zeroconf='_jabber.bytestreams'/>
  </query>
</iq>

Example 12. Target Refuses Bytestream

<iq type='error'
    from='target@example.org/bar'
    to='initiator@example.com/foo'
    id='initiate'>
  <error code='406' type='auth'>
    <not-acceptable xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
  </error>
</iq>

Example 13. Target Is Unable to Connect to Any StreamHost and Wishes to End Transaction

<iq type='error'
    from='target@example.org/bar'
    to='initiator@example.com/foo'
    id='initiate'>
  <error code='404' type='cancel'>
    <item-not-found xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
  </error>
</iq>

Example 16. Target Notifies Initiator of Connection

<iq type='result'
    from='target@example.org/bar'
    to='initiator@example.com/foo'
    id='initiate'>
  <query xmlns='http://jabber.org/protocol/bytestreams'
         sid='vxf9n471bn46'>
    <streamhost-used jid='streamhostproxy.example.net'/>
  </query>
</iq>

Example 19. Initiator Requests Activation of Bytestream

<iq type='set'
    from='initiator@example.com/foo'
    to='streamhostproxy.example.net'
    id='activate'>
  <query xmlns='http://jabber.org/protocol/bytestreams'
         sid='vxf9n471bn46'>
    <activate>target@example.org/bar</activate>
  </query>
</iq>

Example 20. Proxy Informs Initiator of Activation

<iq type='result'
    from='streamhostproxy.example.net'
    to='initiator@example.com/foo'
    id='activate'/>

Referències:

<iq type=’get’
from=’initiator@example.com/foo’
to=’target@example.org/bar’
id=’hello’>
<query xmlns=’http://jabber.org/protocol/disco#info’/>
</iq>

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