X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;ds=sidebyside;f=plugins%2Fmod_dialback.lua;h=4e29b3349a79079cbcfe617eeb149eb1482de440;hb=67081a9864d45796f59658ccd4b779ffbe0d44e0;hp=ea0f9e91c7af104b94e907def2bad822aa227a30;hpb=10904eb0553bd5e6efadbd8ab04ed77c49aa03b9;p=prosody.git diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index ea0f9e91..4e29b334 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -1,4 +1,4 @@ --- Prosody IM v0.1 +-- Prosody IM v0.2 -- Copyright (C) 2008 Matthew Wild -- Copyright (C) 2008 Waqas Hussain -- @@ -19,15 +19,18 @@ -local format = string.format; local send_s2s = require "core.s2smanager".send_to_host; local s2s_make_authenticated = require "core.s2smanager".make_authenticated; local s2s_verify_dialback = require "core.s2smanager".verify_dialback; +local st = require "util.stanza"; + local log = require "util.logger".init("mod_dialback"); local xmlns_dialback = "jabber:server:dialback"; +local dialback_requests = setmetatable({}, { __mode = 'v' }); + module:add_handler({"s2sin_unauthed", "s2sin"}, "verify", xmlns_dialback, function (origin, stanza) -- We are being asked to verify the key, to ensure it was generated by us @@ -42,54 +45,82 @@ module:add_handler({"s2sin_unauthed", "s2sin"}, "verify", xmlns_dialback, type = "invalid" log("warn", "Asked to verify a dialback key that was incorrect. An imposter is claiming to be %s?", attr.to); end - log("debug", "verifyied dialback key... it is %s", type); - origin.sends2s(format("%s", attr.to, attr.from, attr.id, type, stanza[1])); + log("debug", "verified dialback key... it is %s", type); + origin.sends2s(st.stanza("db:verify", { from = attr.to, to = attr.from, id = attr.id, type = type }):text(stanza[1])); end); -module:add_handler("s2sin_unauthed", "result", xmlns_dialback, +module:add_handler({ "s2sin_unauthed", "s2sin" }, "result", xmlns_dialback, function (origin, stanza) -- he wants to be identified through dialback -- We need to check the key with the Authoritative server local attr = stanza.attr; - local attr = stanza.attr; - origin.from_host = attr.from; - origin.to_host = attr.to; - origin.dialback_key = stanza[1]; - log("debug", "asking %s if key %s belongs to them", origin.from_host, origin.dialback_key); - send_s2s(origin.to_host, origin.from_host, - format("%s", origin.to_host, origin.from_host, - origin.streamid, origin.dialback_key)); - hosts[origin.to_host].s2sout[origin.from_host].dialback_verifying = origin; + origin.hosts[attr.from] = { dialback_key = stanza[1] }; + + if not hosts[attr.to] then + -- Not a host that we serve + log("info", "%s tried to connect to %s, which we don't serve", attr.from, attr.to); + origin:close("host-unknown"); + return; + end + + dialback_requests[attr.from] = origin; + + if not origin.from_host then + -- Just used for friendlier logging + origin.from_host = attr.from; + end + if not origin.to_host then + -- Just used for friendlier logging + origin.to_host = attr.to; + end + + log("debug", "asking %s if key %s belongs to them", attr.from, stanza[1]); + send_s2s(attr.to, attr.from, + st.stanza("db:verify", { from = attr.to, to = attr.from, id = origin.streamid }):text(stanza[1])); end); module:add_handler({ "s2sout_unauthed", "s2sout" }, "verify", xmlns_dialback, function (origin, stanza) - if origin.dialback_verifying then + local attr = stanza.attr; + local dialback_verifying = dialback_requests[attr.from]; + if dialback_verifying then local valid; - local attr = stanza.attr; if attr.type == "valid" then - s2s_make_authenticated(origin.dialback_verifying); + s2s_make_authenticated(dialback_verifying, attr.from); valid = "valid"; else -- Warn the original connection that is was not verified successfully - log("warn", "dialback for "..(origin.dialback_verifying.from_host or "(unknown)").." failed"); + log("warn", "authoritative server for "..(attr.from or "(unknown)").." denied the key"); valid = "invalid"; end - if not origin.dialback_verifying.sends2s then - log("warn", "Incoming s2s session %s was closed in the meantime, so we can't notify it of the db result", tostring(origin.dialback_verifying):match("%w+$")); + if not dialback_verifying.sends2s then + log("warn", "Incoming s2s session %s was closed in the meantime, so we can't notify it of the db result", tostring(dialback_verifying):match("%w+$")); else - origin.dialback_verifying.sends2s(format("%s", - attr.to, attr.from, attr.id, valid, origin.dialback_verifying.dialback_key)); + dialback_verifying.sends2s( + st.stanza("db:result", { from = attr.to, to = attr.from, id = attr.id, type = valid }) + :text(dialback_verifying.hosts[attr.from].dialback_key)); end + dialback_requests[attr.from] = nil; end end); module:add_handler({ "s2sout_unauthed", "s2sout" }, "result", xmlns_dialback, function (origin, stanza) + -- Remote server is telling us whether we passed dialback + + local attr = stanza.attr; + if not hosts[attr.to] then + origin:close("host-unknown"); + return; + elseif hosts[attr.to].s2sout[attr.from] ~= origin then + -- This isn't right + origin:close("invalid-id"); + return; + end if stanza.attr.type == "valid" then - s2s_make_authenticated(origin); + s2s_make_authenticated(origin, attr.from); else - -- FIXME + -- FIXME: Waiting on #33 error("dialback failed!"); end end);