1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
local st = require "util.stanza";
local send = require "core.sessionmanager".send_to_session;
local usermanager_validate_credentials = require "core.usermanager".validate_credentials;
local t_concat = table.concat;
local tostring = tostring;
local log = require "util.logger".init("mod_saslauth");
local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
local new_connhandler = require "net.connhandlers".new;
local new_sasl = require "util.sasl".new;
add_handler("c2s_unauthed", "auth",
function (session, stanza)
if not session.sasl_handler then
session.sasl_handler = new_sasl(stanza.attr.mechanism,
function (username, password)
-- onAuth
require "core.usermanager"
if usermanager_validate_credentials(session.host, username, password) then
return true;
end
return false;
end,
function (username)
-- onSuccess
local success, err = sessionmanager.make_authenticated(session, username);
if not success then
sessionmanager.destroy_session(session);
end
session.sasl_handler = nil;
session.connhandler = new_connhandler("xmpp-client", session);
session.notopen = true;
end,
function (reason)
-- onFail
log("debug", "SASL failure, reason: %s", reason);
end,
function (stanza)
-- onWrite
log("debug", "SASL writes: %s", tostring(stanza));
send(session, stanza);
end
);
session.sasl_handler:feed(stanza);
else
error("Client tried to negotiate SASL again", 0);
end
end);
|
