diff options
Diffstat (limited to 'plugins/mod_component.lua')
-rw-r--r-- | plugins/mod_component.lua | 90 |
1 files changed, 59 insertions, 31 deletions
diff --git a/plugins/mod_component.lua b/plugins/mod_component.lua index 7efb4f9c..fda271dd 100644 --- a/plugins/mod_component.lua +++ b/plugins/mod_component.lua @@ -14,59 +14,87 @@ local hosts = _G.hosts; local t_concat = table.concat; -local config = require "core.configmanager"; -local cm_register_component = require "core.componentmanager".register_component; -local cm_deregister_component = require "core.componentmanager".deregister_component; local sha1 = require "util.hashes".sha1; local st = require "util.stanza"; local log = module._log; +local main_session, send; + +local function on_destroy(session, err) + if main_session == session then + main_session = nil; + send = nil; + session.on_destroy = nil; + end +end + +local function handle_stanza(event) + local stanza = event.stanza; + if send then + stanza.attr.xmlns = nil; + send(stanza); + else + log("warn", "Stanza being handled by default component; bouncing error for: %s", stanza:top_tag()); + if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then + event.origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable")); + end + end + return true; +end + +module:hook("iq/bare", handle_stanza, -1); +module:hook("message/bare", handle_stanza, -1); +module:hook("presence/bare", handle_stanza, -1); +module:hook("iq/full", handle_stanza, -1); +module:hook("message/full", handle_stanza, -1); +module:hook("presence/full", handle_stanza, -1); +module:hook("iq/host", handle_stanza, -1); +module:hook("message/host", handle_stanza, -1); +module:hook("presence/host", handle_stanza, -1); + --- Handle authentication attempts by components -function handle_component_auth(session, stanza) - log("info", "Handling component auth"); +function handle_component_auth(event) + local session, stanza = event.origin, event.stanza; + + if session.type ~= "component" then return; end + if main_session == session then return; end + if (not session.host) or #stanza.tags > 0 then - (session.log or log)("warn", "Component handshake invalid"); + (session.log or log)("warn", "Invalid component handshake for host: %s", session.host); session:close("not-authorized"); - return; + return true; end - local secret = config.get(session.user, "core", "component_secret"); + local secret = module:get_option("component_secret"); if not secret then - (session.log or log)("warn", "Component attempted to identify as %s, but component_secret is not set", session.user); + (session.log or log)("warn", "Component attempted to identify as %s, but component_secret is not set", session.host); session:close("not-authorized"); - return; + return true; end local supplied_token = t_concat(stanza); local calculated_token = sha1(session.streamid..secret, true); if supplied_token:lower() ~= calculated_token:lower() then - log("info", "Component for %s authentication failed", session.host); + log("info", "Component authentication failed for %s", session.host); session:close{ condition = "not-authorized", text = "Given token does not match calculated token" }; - return; + return true; end - - -- Authenticated now - log("info", "Component authenticated: %s", session.host); - -- If component not already created for this host, create one now - if not hosts[session.host].connected then - local send = session.send; - session.component_session = cm_register_component(session.host, function (_, data) - if data.attr and data.attr.xmlns == "jabber:client" then - data.attr.xmlns = nil; - end - return send(data); - end); - hosts[session.host].connected = true; - log("info", "Component successfully registered"); - else - log("error", "Multiple components bound to the same address, first one wins (TODO: Implement stanza distribution)"); + if not main_session then + send = session.send; + main_session = session; + session.on_destroy = on_destroy; + session.component_validate_from = module:get_option_boolean("validate_from_addresses") ~= false; + log("info", "Component successfully authenticated: %s", session.host); + session.send(st.stanza("handshake")); + else -- TODO: Implement stanza distribution + log("error", "Multiple components bound to the same address, first one wins: %s", session.host); + session:close{ condition = "conflict", text = "Component already connected" }; end - -- Signal successful authentication - session.send(st.stanza("handshake")); + return true; end -module:add_handler("component", "handshake", "jabber:component:accept", handle_component_auth); +module:hook("stanza/jabber:component:accept:handshake", handle_component_auth); |