author | Matthew Wild <mwild1@gmail.com> |
Tue, 18 Jan 2022 17:01:18 +0000 | |
changeset 4880 | 0f5f2d4475b9 |
parent 1343 | 7dbde05b48a9 |
permissions | -rw-r--r-- |
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-- Prosody IM |
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-- Copyright (C) 2008-2010 Matthew Wild |
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-- Copyright (C) 2008-2010 Waqas Hussain |
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-- |
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-- This project is MIT/X11 licensed. Please see the |
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-- COPYING file in the source package for more information. |
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-- |
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|
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if module:get_host_type() ~= "component" then |
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error("Don't load mod_component manually, it should be for a component, please see http://prosody.im/doc/components", 0); |
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end |
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|
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local hosts = _G.hosts; |
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|
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local t_concat = table.concat; |
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|
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local sha1 = require "util.hashes".sha1; |
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local st = require "util.stanza"; |
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|
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local log = module._log; |
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|
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local sessions = module:shared("sessions"); |
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|
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local last_session; |
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local function on_destroy(session, err) |
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if sessions[session] then |
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if last_session == session then last_session = nil; end |
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sessions[session] = nil; |
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session.on_destroy = nil; |
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end |
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end |
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local function handle_stanza(event) |
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local stanza = event.stanza; |
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if next(sessions) then |
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stanza.attr.xmlns = nil; |
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last_session = next(sessions, last_session) or next(sessions); |
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last_session.send(stanza); |
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else |
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log("warn", "Component not connected, bouncing error for: %s", stanza:top_tag()); |
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if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then |
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event.origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable")); |
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end |
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end |
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return true; |
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end |
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module:hook("iq/bare", handle_stanza, -0.5); |
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module:hook("message/bare", handle_stanza, -0.5); |
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module:hook("presence/bare", handle_stanza, -0.5); |
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module:hook("iq/full", handle_stanza, -0.5); |
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module:hook("message/full", handle_stanza, -0.5); |
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module:hook("presence/full", handle_stanza, -0.5); |
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module:hook("iq/host", handle_stanza, -0.5); |
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module:hook("message/host", handle_stanza, -0.5); |
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module:hook("presence/host", handle_stanza, -0.5); |
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--- Handle authentication attempts by components |
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function handle_component_auth(event) |
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local session, stanza = event.origin, event.stanza; |
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if session.type ~= "component_unauthed" then return; end |
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if sessions[session] then return; end |
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|
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if (not session.host) or #stanza.tags > 0 then |
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(session.log or log)("warn", "Invalid component handshake for host: %s", session.host); |
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session:close("not-authorized"); |
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return true; |
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end |
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local secret = module:get_option("component_secret"); |
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if not secret then |
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(session.log or log)("warn", "Component attempted to identify as %s, but component_secret is not set", session.host); |
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session:close("not-authorized"); |
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return true; |
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end |
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local supplied_token = t_concat(stanza); |
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local calculated_token = sha1(session.streamid..secret, true); |
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if supplied_token:lower() ~= calculated_token:lower() then |
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log("info", "Component authentication failed for %s", session.host); |
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session:close{ condition = "not-authorized", text = "Given token does not match calculated token" }; |
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return true; |
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end |
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-- Add session to sessions table |
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sessions[session] = true; |
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session.on_destroy = on_destroy; |
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session.component_validate_from = module:get_option_boolean("validate_from_addresses", true); |
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session.type = "component"; |
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log("info", "Component successfully authenticated: %s", session.host); |
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session.send(st.stanza("handshake")); |
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return true; |
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end |
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|
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module:hook("stanza/jabber:component:accept:handshake", handle_component_auth, 10); |