Podcast 2×02: SOCKS5 Bytestreams (XEP-0065)
2010/03/09
1 comentari
Reading time: 4 – 7 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:
- Apunts per fer el podcast: fitxer .txt amb la llista de coses que volia comentar al podcast és una barreja de català, castellà i anglès.
- RFC i XEPs:
- RFC1928: SOCKS Protocol v5
- XEP-0065: SOCKS5 Bytestream
- XEP-0030: Service Discovery
- Extencions del XMPP: tots els XEPs
<iq type=’get’
from=’initiator@example.com/foo’
to=’target@example.org/bar’
id=’hello’>
<query xmlns=’http://jabber.org/protocol/disco#info’/>
</iq>
from=’initiator@example.com/foo’
to=’target@example.org/bar’
id=’hello’>
<query xmlns=’http://jabber.org/protocol/disco#info’/>
</iq>
