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annotate mod_tcpproxy/README.markdown @ 3139:03cda95ae97a
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author | Kim Alvefur <zash@zash.se> |
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date | Sat, 23 Jun 2018 16:37:15 +0200 |
parents | 8de50be756e5 |
children | 3804332c204e |
rev | line source |
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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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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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15 Details |
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16 ======= |
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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 |
1782 | 30 Just add tcpproxy as a component, for example: |
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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37 A new stream is opened like this: | |
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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49 |
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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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58 Compatibility |
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59 ============= |
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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 |