Mercurial > prosody-modules

annotate mod_s2soutinjection/mod_s2soutinjection.lua @ 5256:44f7edd4f845

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mod_http_oauth2: Reject non-local hosts in more code paths We're not issuing tokens for users on remote hosts, we can't even authenticate them since they're remote. Thus the host is always the local module.host so no need to pass around the host in most cases or use it for anything but enforcing the same host.
author Kim Alvefur <zash@zash.se>
date Thu, 16 Mar 2023 17:52:10 +0100
parents 4fb922aa0ace
children
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1 local st = require"util.stanza";
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2 local new_outgoing = require"core.s2smanager".new_outgoing;
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3 local bounce_sendq = module:depends"s2s".route_to_new_session.bounce_sendq;
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4 local initialize_filters = require "util.filters".initialize;
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6 local portmanager = require "core.portmanager";
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8 local addclient = require "net.server".addclient;
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10 module:depends("s2s");
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12 local sessions = module:shared("sessions");
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14 local injected = module:get_option("s2s_connect_overrides");
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15
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16 -- The proxy_listener handles connection while still connecting to the proxy,
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17 -- then it hands them over to the normal listener (in mod_s2s)
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18 local proxy_listener = { default_port = nil, default_mode = "*a", default_interface = "*" };
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20 function proxy_listener.onconnect(conn)
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21 local session = sessions[conn];
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23 -- Now the real s2s listener can take over the connection.
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24 local listener = portmanager.get_service("s2s").listener;
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25
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26 local log = session.log;
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28 local filter = initialize_filters(session);
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30 session.version = 1;
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32 session.sends2s = function (t)
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33 log("debug", "sending (s2s over proxy): %s", (t.top_tag and t:top_tag()) or t:match("^[^>]*>?"));
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34 if t.name then
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35 t = filter("stanzas/out", t);
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36 end
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37 if t then
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38 t = filter("bytes/out", tostring(t));
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39 if t then
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40 return conn:write(tostring(t));
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41 end
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42 end
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43 end
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45 session.open_stream = function ()
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46 session.sends2s(st.stanza("stream:stream", {
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47 xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback',
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48 ["xmlns:stream"]='http://etherx.jabber.org/streams',
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49 from=session.from_host, to=session.to_host, version='1.0', ["xml:lang"]='en'}):top_tag());
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50 end
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52 conn.setlistener(conn, listener);
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54 listener.register_outgoing(conn, session);
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55
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56 listener.onconnect(conn);
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57 end
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58
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59 function proxy_listener.register_outgoing(conn, session)
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60 session.direction = "outgoing";
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61 sessions[conn] = session;
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62 end
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63
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64 function proxy_listener.ondisconnect(conn, err)
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65 sessions[conn] = nil;
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66 end
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67
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68 module:hook("route/remote", function(event)
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69 local from_host, to_host, stanza = event.from_host, event.to_host, event.stanza;
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70 local inject = injected and injected[to_host];
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71 if not inject then return end
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72 module:log("debug", "opening a new outgoing connection for this stanza");
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73 local host_session = new_outgoing(from_host, to_host);
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74
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75 -- Store in buffer
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76 host_session.bounce_sendq = bounce_sendq;
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77 host_session.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} };
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78 host_session.log("debug", "stanza [%s] queued until connection complete", tostring(stanza.name));
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79
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80 local host, port = inject[1] or inject, tonumber(inject[2]) or 5269;
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81
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82 local conn = addclient(host, port, proxy_listener, "*a");
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83
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84 proxy_listener.register_outgoing(conn, host_session);
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85
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86 host_session.conn = conn;
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87 return true;
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88 end, -2);