Annotate

mod_tcpproxy/README.markdown @ 4300:3f3b672b7616

mod_vcard_muc: Pass room object around instead of JID, hopefully fixing traceback More efficient to pass the object around instead of using the JID and looking up the object when needed. It seems in some (undetermined) cases get_room_from_jid(room.jid) is nil.
author Matthew Wild <mwild1@gmail.com>
date Tue, 15 Dec 2020 10:49:11 +0000
parent 1820:8de50be756e5
child 4853:3804332c204e
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1 ---
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2 labels:
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3 - 'Stage-Beta'
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4 summary: 'TCP-over-XMPP :)'
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5 ...
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7 Introduction
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8 ============
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9
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10 It happens occasionally that I would like to use the XMPP server as a
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11 generic proxy for connecting to another service. It is especially
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12 awkward in some environments, and impossible in (for example) Javascript
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13 inside a web browser.
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14
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15 Details
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16 =======
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17
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18 Using mod\_tcpproxy an XMPP client (including those using BOSH) can
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19 initiate a pipe to a given TCP/IP address and port. This implementation
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20 uses the [In-Band Bytestreams](http://xmpp.org/extensions/xep-0047.html)
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21 XEP, simply extended with 2 new attributes in a new namespace, host and
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22 port.
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24 An example Javascript client can be found in the web/ directory of
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25 mod\_tcpproxy in the repository.
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26
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27 Configuration
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28 =============
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29
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30 Just add tcpproxy as a component, for example:
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31
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32 `Component "tcp.example.com" "tcpproxy"`
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34 Protocol
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35 ========
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36
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37 A new stream is opened like this:
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38
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39 ``` {.xml}
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40 <iq type="set" id="newconn1" to="tcp.example.com">
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41 <open xmlns='http://jabber.org/protocol/ibb'
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42         sid='connection1'
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43         stanza='message'
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44 xmlns:tcp='http://prosody.im/protocol/tcpproxy'
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45 tcp:host='example.com'
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46 tcp:port='80' />
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47 </iq>
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48 ```
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50 The stanza attribute (currently) MUST be 'message', and a block-size, if
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51 given, is (currently) ignored.
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53 In response to this stanza you will receive a result upon connection
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54 success, or an error if the connection failed. You can then send to the
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55 connection by sending message stanzas as described in the IBB XEP.
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56 Incoming data will likewise be delivered as messages.
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57
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58 Compatibility
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59 =============
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60
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61 ----- --------------
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62 0.7 Works
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63 0.6 Doesn't work
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64 ----- --------------
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66 Todo
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67 ====
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68
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69 - ACLs (restrict to certain JIDs, and/or certain target hosts/ports)
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70 - Honour block-size (undecided)
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71 - Support iq stanzas for data transmission
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72 - Signal to start SSL/TLS on a connection