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mod_tcpproxy/README.markdown @ 5405:c7a5caad28ef
mod_http_oauth2: Enforce response type encoded in client_id
The client promises to only use this response type, so we should hold
them to that.
This makes it fail earlier if the response type is disabled or the
client is trying to use one that it promised not to use. Better than
failing after login and consent.
author | Kim Alvefur <zash@zash.se> |
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date | Tue, 02 May 2023 16:31:25 +0200 |
parent | 4853:3804332c204e |
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--- labels: - 'Stage-Beta' summary: 'TCP-over-XMPP :)' ... Introduction ============ It happens occasionally that I would like to use the XMPP server as a generic proxy for connecting to another service. It is especially awkward in some environments, and impossible in (for example) Javascript inside a web browser. Details ======= Using mod\_tcpproxy an XMPP client (including those using BOSH) can initiate a pipe to a given TCP/IP address and port. This implementation uses the [In-Band Bytestreams](http://xmpp.org/extensions/xep-0047.html) XEP, simply extended with 2 new attributes in a new namespace, host and port. An example Javascript client can be found in the web/ directory of mod\_tcpproxy in the repository. Configuration ============= Just add tcpproxy as a component, for example: `Component "tcp.example.com" "tcpproxy"` Protocol ======== A new stream is opened like this: ``` {.xml} <iq type="set" id="newconn1" to="tcp.example.com"> <open xmlns='http://jabber.org/protocol/ibb' sid='connection1' block-size='4096' stanza='message' xmlns:tcp='http://prosody.im/protocol/tcpproxy' tcp:host='example.com' tcp:port='80' /> </iq> ``` The stanza attribute (currently) MUST be 'message', and block-size is (currently) ignored. In response to this stanza you will receive a result upon connection success, or an error if the connection failed. You can then send to the connection by sending message stanzas as described in the IBB XEP. Incoming data will likewise be delivered as messages. Compatibility ============= ----- -------------- 0.7 Works 0.6 Doesn't work ----- -------------- Todo ==== - ACLs (restrict to certain JIDs, and/or certain target hosts/ports) - Honour block-size - Support iq stanzas for data transmission - Signal to start SSL/TLS on a connection