2 local format = string.format;
3 local send_s2s = require "core.s2smanager".send_to_host;
4 local s2s_make_authenticated = require "core.s2smanager".make_authenticated;
5 local s2s_verify_dialback = require "core.s2smanager".verify_dialback;
7 local log = require "util.logger".init("mod_dialback");
9 local xmlns_dialback = "jabber:server:dialback";
11 add_handler({"s2sin_unauthed", "s2sin"}, "verify", xmlns_dialback,
12 function (origin, stanza)
13 -- We are being asked to verify the key, to ensure it was generated by us
14 log("debug", "verifying dialback key...");
15 local attr = stanza.attr;
16 -- FIXME: Grr, ejabberd breaks this one too?? it is black and white in XEP-220 example 34
17 --if attr.from ~= origin.to_host then error("invalid-from"); end
19 if s2s_verify_dialback(attr.id, attr.from, attr.to, stanza[1]) then
23 log("warn", "Asked to verify a dialback key that was incorrect. An imposter is claiming to be %s?", attr.to);
25 log("debug", "verifyied dialback key... it is %s", type);
26 origin.sends2s(format("<db:verify from='%s' to='%s' id='%s' type='%s'>%s</db:verify>", attr.to, attr.from, attr.id, type, stanza[1]));
29 add_handler("s2sin_unauthed", "result", xmlns_dialback,
30 function (origin, stanza)
31 -- he wants to be identified through dialback
32 -- We need to check the key with the Authoritative server
33 local attr = stanza.attr;
34 local attr = stanza.attr;
35 origin.from_host = attr.from;
36 origin.to_host = attr.to;
37 origin.dialback_key = stanza[1];
38 log("debug", "asking %s if key %s belongs to them", origin.from_host, origin.dialback_key);
39 send_s2s(origin.to_host, origin.from_host,
40 format("<db:verify from='%s' to='%s' id='%s'>%s</db:verify>", origin.to_host, origin.from_host,
41 origin.streamid, origin.dialback_key));
42 hosts[origin.to_host].s2sout[origin.from_host].dialback_verifying = origin;
45 add_handler({ "s2sout_unauthed", "s2sout" }, "verify", xmlns_dialback,
46 function (origin, stanza)
47 if origin.dialback_verifying then
49 local attr = stanza.attr;
50 if attr.type == "valid" then
51 s2s_make_authenticated(origin.dialback_verifying);
54 -- Warn the original connection that is was not verified successfully
55 log("warn", "dialback for "..(origin.dialback_verifying.from_host or "(unknown)").." failed");
58 origin.dialback_verifying.sends2s(format("<db:result from='%s' to='%s' id='%s' type='%s'>%s</db:result>",
59 attr.from, attr.to, attr.id, valid, origin.dialback_verifying.dialback_key));
63 add_handler({ "s2sout_unauthed", "s2sout" }, "result", xmlns_dialback,
64 function (origin, stanza)
65 if stanza.attr.type == "valid" then
66 s2s_make_authenticated(origin);
69 error("dialback failed!");