diff options
| -rw-r--r-- | core/stanza_router.lua | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/core/stanza_router.lua b/core/stanza_router.lua index 94753678..bf5b11bc 100644 --- a/core/stanza_router.lua +++ b/core/stanza_router.lua @@ -29,24 +29,25 @@ deprecated_warning"core_post_stanza"; deprecated_warning"core_process_stanza"; deprecated_warning"core_route_stanza"; +local valid_stanzas = { message = true, presence = true, iq = true }; local function handle_unhandled_stanza(host, origin, stanza) local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns or "jabber:client", origin.type; - if name == "iq" and xmlns == "jabber:client" then - if stanza.attr.type == "get" or stanza.attr.type == "set" then + if xmlns == "jabber:client" and valid_stanzas[name] then + -- A normal stanza + local st_type = stanza.attr.type; + if st_type == "error" or (name == "iq" and st_type == "result") then + log("debug", "Discarding %s from %s of type: %s", name, origin_type, st_type or '<nil>'); + return; + end + if name == "iq" and (st_type == "get" or st_type == "set") and stanza.tags[1] then xmlns = stanza.tags[1].attr.xmlns or "jabber:client"; - log("debug", "Stanza of type %s from %s has xmlns: %s", name, origin_type, xmlns); - else - log("debug", "Discarding %s from %s of type: %s", name, origin_type, stanza.attr.type); - return true; end - end - if stanza.attr.xmlns == nil and origin.send then - log("debug", "Unhandled %s stanza: %s; xmlns=%s", origin.type, stanza.name, xmlns); -- we didn't handle it - if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then + log("debug", "Unhandled %s stanza: %s; xmlns=%s", origin_type, name, xmlns); + if origin.send then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); end elseif not((name == "features" or name == "error") and xmlns == "http://etherx.jabber.org/streams") then -- FIXME remove check once we handle S2S features - log("warn", "Unhandled %s stream element or stanza: %s; xmlns=%s: %s", origin.type, stanza.name, xmlns, tostring(stanza)); -- we didn't handle it + log("warn", "Unhandled %s stream element or stanza: %s; xmlns=%s: %s", origin_type, name, xmlns, tostring(stanza)); -- we didn't handle it origin:close("unsupported-stanza-type"); end end @@ -55,19 +56,21 @@ local iq_types = { set=true, get=true, result=true, error=true }; function core_process_stanza(origin, stanza) (origin.log or log)("debug", "Received[%s]: %s", origin.type, stanza:top_tag()) - -- TODO verify validity of stanza (as well as JID validity) - if stanza.attr.type == "error" and #stanza.tags == 0 then return; end -- TODO invalid stanza, log - if stanza.name == "iq" then - if not stanza.attr.id then stanza.attr.id = ""; end -- COMPAT Jabiru doesn't send the id attribute on roster requests - if not iq_types[stanza.attr.type] or ((stanza.attr.type == "set" or stanza.attr.type == "get") and (#stanza.tags ~= 1)) then - origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid IQ type or incorrect number of children")); - return; + if origin.type == "c2s" and not stanza.attr.xmlns then + local name, st_type = stanza.name, stanza.attr.type; + if st_type == "error" and #stanza.tags == 0 then + return handle_unhandled_stanza(origin.host, origin, stanza); + end + if name == "iq" then + if not stanza.attr.id then stanza.attr.id = ""; end -- COMPAT Jabiru doesn't send the id attribute on roster requests + if not iq_types[st_type] or (st_type ~= "result" and #stanza.tags ~= 1) then + origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid IQ type or incorrect number of children")); + return; + end end - end - if origin.type == "c2s" and not stanza.attr.xmlns then if not origin.full_jid - and not(stanza.name == "iq" and stanza.attr.type == "set" and stanza.tags[1] and stanza.tags[1].name == "bind" + and not(name == "iq" and st_type == "set" and stanza.tags[1] and stanza.tags[1].name == "bind" and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then -- authenticated client isn't bound and current stanza is not a bind request if stanza.attr.type ~= "result" and stanza.attr.type ~= "error" then |