Annotate

plugins/mod_saslauth.lua @ 8419:57610304e30d

prosodyctl: Fix traceback with lfs < 1.6.2 and show warning
author Matthew Wild <mwild1@gmail.com>
date Thu, 30 Nov 2017 18:47:06 +0000
parent 8234:97b3ca502547
child 8479:867679b0fb03
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1523
841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
parents: 1486
diff changeset
1 -- Prosody IM
2923
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2877
diff changeset
2 -- Copyright (C) 2008-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2877
diff changeset
3 -- Copyright (C) 2008-2010 Waqas Hussain
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5535
diff changeset
4 --
758
b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 724
diff changeset
5 -- This project is MIT/X11 licensed. Please see the
b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 724
diff changeset
6 -- COPYING file in the source package for more information.
519
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 449
diff changeset
7 --
7899
2b3d0ab67f7d mod_saslauth: Ignore shadowing of logger [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7897
diff changeset
8 -- luacheck: ignore 431/log
519
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 449
diff changeset
9
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 local st = require "util.stanza";
46
d6b3f9dbb624 Resource binding, XMPP sessions (whatever they're for...)
Matthew Wild <mwild1@gmail.com>
parents: 38
diff changeset
12 local sm_bind_resource = require "core.sessionmanager".bind_resource;
1042
a3d77353c18a mod_*: Fix a load of global accesses
Matthew Wild <mwild1@gmail.com>
parents: 938
diff changeset
13 local sm_make_authenticated = require "core.sessionmanager".make_authenticated;
447
c0dae734d3bf Stopped using the lbase64 library
Waqas Hussain <waqas20@gmail.com>
parents: 438
diff changeset
14 local base64 = require "util.encodings".base64;
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15
3188
c690e3c5105c mod_saslauth: Updated to use usermanager.get_sasl_handler.
Waqas Hussain <waqas20@gmail.com>
parents: 3178
diff changeset
16 local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler;
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 local tostring = tostring;
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18
6488
c91193b7e72c mod_saslauth: Use type-specific config option getters
Kim Alvefur <zash@zash.se>
parents: 6487
diff changeset
19 local secure_auth_only = module:get_option_boolean("c2s_require_encryption", module:get_option_boolean("require_encryption", false));
c91193b7e72c mod_saslauth: Use type-specific config option getters
Kim Alvefur <zash@zash.se>
parents: 6487
diff changeset
20 local allow_unencrypted_plain_auth = module:get_option_boolean("allow_unencrypted_plain_auth", false)
6493
4e51b5e81bdd mod_saslauth: Better name for config option
Kim Alvefur <zash@zash.se>
parents: 6492
diff changeset
21 local insecure_mechanisms = module:get_option_set("insecure_sasl_mechanisms", allow_unencrypted_plain_auth and {} or {"PLAIN", "LOGIN"});
7298
7056bbaf81ee mod_saslauth: Disable DIGEST-MD5 by default (closes #515)
Kim Alvefur <zash@zash.se>
parents: 6519
diff changeset
22 local disabled_mechanisms = module:get_option_set("disable_sasl_mechanisms", { "DIGEST-MD5" });
3066
5e5137057b5f mod_saslauth: Split out cyrus SASL config options into locals, and add support for cyrus_application_name (default: 'prosody')
Matthew Wild <mwild1@gmail.com>
parents: 3064
diff changeset
23
1071
216f9a9001f1 mod_saslauth: Use module logger instead of creating a new one
Matthew Wild <mwild1@gmail.com>
parents: 1042
diff changeset
24 local log = module._log;
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
46
d6b3f9dbb624 Resource binding, XMPP sessions (whatever they're for...)
Matthew Wild <mwild1@gmail.com>
parents: 38
diff changeset
27 local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind';
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28
292
33175ad2f682 Started using realm in password hashing, and added support for error message replies from sasl
Waqas Hussain <waqas20@gmail.com>
parents: 291
diff changeset
29 local function build_reply(status, ret, err_msg)
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
30 local reply = st.stanza(status, {xmlns = xmlns_sasl});
6427
7653bbd5247e mod_saslauth: Fix encoding of missing vs empty SASL reply messages
Kim Alvefur <zash@zash.se>
parents: 6425
diff changeset
31 if status == "failure" then
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
32 reply:tag(ret):up();
293
b446de4e258e base64 encode the sasl responses
Waqas Hussain <waqas20@gmail.com>
parents: 292
diff changeset
33 if err_msg then reply:tag("text"):text(err_msg); end
6427
7653bbd5247e mod_saslauth: Fix encoding of missing vs empty SASL reply messages
Kim Alvefur <zash@zash.se>
parents: 6425
diff changeset
34 elseif status == "challenge" or status == "success" then
7653bbd5247e mod_saslauth: Fix encoding of missing vs empty SASL reply messages
Kim Alvefur <zash@zash.se>
parents: 6425
diff changeset
35 if ret == "" then
7653bbd5247e mod_saslauth: Fix encoding of missing vs empty SASL reply messages
Kim Alvefur <zash@zash.se>
parents: 6425
diff changeset
36 reply:text("=")
7653bbd5247e mod_saslauth: Fix encoding of missing vs empty SASL reply messages
Kim Alvefur <zash@zash.se>
parents: 6425
diff changeset
37 elseif ret then
7653bbd5247e mod_saslauth: Fix encoding of missing vs empty SASL reply messages
Kim Alvefur <zash@zash.se>
parents: 6425
diff changeset
38 reply:text(base64.encode(ret));
7653bbd5247e mod_saslauth: Fix encoding of missing vs empty SASL reply messages
Kim Alvefur <zash@zash.se>
parents: 6425
diff changeset
39 end
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
40 else
1073
7c20373d4451 mod_saslauth: Remove 2 instances of raising errors and replacing with more graceful handling
Matthew Wild <mwild1@gmail.com>
parents: 1072
diff changeset
41 module:log("error", "Unknown sasl status: %s", status);
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
42 end
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
43 return reply;
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
44 end
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
45
3062
892c49869293 mod_saslauth: Add return value and error message to the Cyrus SASL handle_status callback
Matthew Wild <mwild1@gmail.com>
parents: 3061
diff changeset
46 local function handle_status(session, status, ret, err_msg)
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
47 if status == "failure" then
4361
605045b77bc6 mod_saslauth: Fire authentication-success and authentication-failure events (thanks scitor)
Matthew Wild <mwild1@gmail.com>
parents: 4078
diff changeset
48 module:fire_event("authentication-failure", { session = session, condition = ret, text = err_msg });
2251
18079ede5b62 mod_saslauth: Fix typo in variable name
Matthew Wild <mwild1@gmail.com>
parents: 2242
diff changeset
49 session.sasl_handler = session.sasl_handler:clean_clone();
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
50 elseif status == "success" then
3468
d50e2c937717 mod_saslauth, mod_auth_cyrus, util.sasl_cyrus: Moved cyrus account provisioning check out of mod_saslauth.
Waqas Hussain <waqas20@gmail.com>
parents: 3464
diff changeset
51 local ok, err = sm_make_authenticated(session, session.sasl_handler.username);
d50e2c937717 mod_saslauth, mod_auth_cyrus, util.sasl_cyrus: Moved cyrus account provisioning check out of mod_saslauth.
Waqas Hussain <waqas20@gmail.com>
parents: 3464
diff changeset
52 if ok then
4504
55b61221ecb8 mod_saslauth: Move authentication-success event to after session has been made authenticated.
Kim Alvefur <zash@zash.se>
parents: 4492
diff changeset
53 module:fire_event("authentication-success", { session = session });
3468
d50e2c937717 mod_saslauth, mod_auth_cyrus, util.sasl_cyrus: Moved cyrus account provisioning check out of mod_saslauth.
Waqas Hussain <waqas20@gmail.com>
parents: 3464
diff changeset
54 session.sasl_handler = nil;
d50e2c937717 mod_saslauth, mod_auth_cyrus, util.sasl_cyrus: Moved cyrus account provisioning check out of mod_saslauth.
Waqas Hussain <waqas20@gmail.com>
parents: 3464
diff changeset
55 session:reset_stream();
3064
596303990c7c usermanager, mod_saslauth: Make account provisioning for Cyrus SASL optional (default: not required)
Matthew Wild <mwild1@gmail.com>
parents: 3062
diff changeset
56 else
3468
d50e2c937717 mod_saslauth, mod_auth_cyrus, util.sasl_cyrus: Moved cyrus account provisioning check out of mod_saslauth.
Waqas Hussain <waqas20@gmail.com>
parents: 3464
diff changeset
57 module:log("warn", "SASL succeeded but username was invalid");
4505
b1e10c327d66 mod_saslauth: Fire authentication-failure if make_authenticated() failed.
Kim Alvefur <zash@zash.se>
parents: 4504
diff changeset
58 module:fire_event("authentication-failure", { session = session, condition = "not-authorized", text = err });
3064
596303990c7c usermanager, mod_saslauth: Make account provisioning for Cyrus SASL optional (default: not required)
Matthew Wild <mwild1@gmail.com>
parents: 3062
diff changeset
59 session.sasl_handler = session.sasl_handler:clean_clone();
3468
d50e2c937717 mod_saslauth, mod_auth_cyrus, util.sasl_cyrus: Moved cyrus account provisioning check out of mod_saslauth.
Waqas Hussain <waqas20@gmail.com>
parents: 3464
diff changeset
60 return "failure", "not-authorized", "User authenticated successfully, but username was invalid";
3064
596303990c7c usermanager, mod_saslauth: Make account provisioning for Cyrus SASL optional (default: not required)
Matthew Wild <mwild1@gmail.com>
parents: 3062
diff changeset
61 end
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
62 end
3062
892c49869293 mod_saslauth: Add return value and error message to the Cyrus SASL handle_status callback
Matthew Wild <mwild1@gmail.com>
parents: 3061
diff changeset
63 return status, ret, err_msg;
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
64 end
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
65
3551
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
66 local function sasl_process_cdata(session, stanza)
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
67 local text = stanza[1];
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
68 if text then
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
69 text = base64.decode(text);
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
70 --log("debug", "AUTH: %s", text:gsub("[%z\001-\008\011\012\014-\031]", " "));
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
71 if not text then
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
72 session.sasl_handler = nil;
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
73 session.send(build_reply("failure", "incorrect-encoding"));
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
74 return true;
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
75 end
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
76 end
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
77 local status, ret, err_msg = session.sasl_handler:process(text);
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
78 status, ret, err_msg = handle_status(session, status, ret, err_msg);
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
79 local s = build_reply(status, ret, err_msg);
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
80 log("debug", "sasl reply: %s", tostring(s));
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
81 session.send(s);
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
82 return true;
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
83 end
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
84
8042
5d5afaafac0f mod_saslauth: Remove unused argument [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7962
diff changeset
85 module:hook_tag(xmlns_sasl, "success", function (session)
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
86 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
87 module:log("debug", "SASL EXTERNAL with %s succeeded", session.to_host);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
88 session.external_auth = "succeeded"
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
89 session:reset_stream();
5535
0df0afc041d7 mod_saslauth, mod_compression: Fix some cases where open_stream() was not being passed to/from (see df3c78221f26 and issue #338)
Matthew Wild <mwild1@gmail.com>
parents: 5362
diff changeset
90 session:open_stream(session.from_host, session.to_host);
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
91
5362
612467e263af s2smanager, mod_s2s, mod_dialback, mod_saslauth: Move s2smanager.make_authenticated() to mod_s2s, and plugins now signal authentication via the s2s-authenticated event
Matthew Wild <mwild1@gmail.com>
parents: 5351
diff changeset
92 module:fire_event("s2s-authenticated", { session = session, host = session.to_host });
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
93 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
94 end)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
95
7960
9a938b785bc5 mod_saslauth: Switch to hook_tag from hook_stanza which was renamed in 2087d42f1e77
Kim Alvefur <zash@zash.se>
parents: 7940
diff changeset
96 module:hook_tag(xmlns_sasl, "failure", function (session, stanza)
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
97 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
98
7939
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
99 local text = stanza:get_child_text("text");
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
100 local condition = "unknown-condition";
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
101 for child in stanza:childtags() do
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
102 if child.name ~= "text" then
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
103 condition = child.name;
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
104 break;
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
105 end
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
106 end
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
107 if text and condition then
8222
67a9d2de2300 mod_saslauth: Use correct varible name (thanks Roi)
Kim Alvefur <zash@zash.se>
parents: 7939
diff changeset
108 condition = condition .. ": " .. text;
7939
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
109 end
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
110 module:log("info", "SASL EXTERNAL with %s failed: %s", session.to_host, condition);
6940d6db970b mod_saslauth: Log SASL failure reason
Kim Alvefur <zash@zash.se>
parents: 6033
diff changeset
111
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
112 session.external_auth = "failed"
6424
89c42aff8510 mod_dialback, mod_saslauth: Remove broken fallback to dialback on SASL EXTERNAL failure
Kim Alvefur <zash@zash.se>
parents: 6302
diff changeset
113 session:close();
89c42aff8510 mod_dialback, mod_saslauth: Remove broken fallback to dialback on SASL EXTERNAL failure
Kim Alvefur <zash@zash.se>
parents: 6302
diff changeset
114 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
115 end, 500)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
116
7960
9a938b785bc5 mod_saslauth: Switch to hook_tag from hook_stanza which was renamed in 2087d42f1e77
Kim Alvefur <zash@zash.se>
parents: 7940
diff changeset
117 module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza)
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
118 if session.type ~= "s2sout_unauthed" or not session.secure then return; end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
119
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
120 local mechanisms = stanza:get_child("mechanisms", xmlns_sasl)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
121 if mechanisms then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
122 for mech in mechanisms:childtags() do
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
123 if mech[1] == "EXTERNAL" then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
124 module:log("debug", "Initiating SASL EXTERNAL with %s", session.to_host);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
125 local reply = st.stanza("auth", {xmlns = xmlns_sasl, mechanism = "EXTERNAL"});
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
126 reply:text(base64.encode(session.from_host))
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
127 session.sends2s(reply)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
128 session.external_auth = "attempting"
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
129 return true
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
130 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
131 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
132 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
133 end, 150);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
134
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
135 local function s2s_external_auth(session, stanza)
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
136 if session.external_auth ~= "offered" then return end -- Unexpected request
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
137
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
138 local mechanism = stanza.attr.mechanism;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
139
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
140 if mechanism ~= "EXTERNAL" then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
141 session.sends2s(build_reply("failure", "invalid-mechanism"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
142 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
143 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
144
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
145 if not session.secure then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
146 session.sends2s(build_reply("failure", "encryption-required"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
147 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
148 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
149
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
150 local text = stanza[1];
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
151 if not text then
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
152 session.sends2s(build_reply("failure", "malformed-request"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
153 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
154 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
155
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
156 text = base64.decode(text);
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
157 if not text then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
158 session.sends2s(build_reply("failure", "incorrect-encoding"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
159 return true;
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
160 end
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
161
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
162 -- The text value is either "" or equals session.from_host
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
163 if not ( text == "" or text == session.from_host ) then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
164 session.sends2s(build_reply("failure", "invalid-authzid"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
165 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
166 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
167
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
168 -- We've already verified the external cert identity before offering EXTERNAL
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
169 if session.cert_chain_status ~= "valid" or session.cert_identity_status ~= "valid" then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
170 session.sends2s(build_reply("failure", "not-authorized"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
171 session:close();
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
172 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
173 end
4492
0a4781f165e3 mod_saslauth: "" ~= nil (thanks, Zash!)
Paul Aurich <paul@darkrain42.org>
parents: 4395
diff changeset
174
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
175 -- Success!
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
176 session.external_auth = "succeeded";
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
177 session.sends2s(build_reply("success"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
178 module:log("info", "Accepting SASL EXTERNAL identity from %s", session.from_host);
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
179 module:fire_event("s2s-authenticated", { session = session, host = session.from_host });
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
180 session:reset_stream();
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
181 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
182 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
183
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
184 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:auth", function(event)
3535
b953b0c0f203 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3524
diff changeset
185 local session, stanza = event.origin, event.stanza;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
186 if session.type == "s2sin_unauthed" then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
187 return s2s_external_auth(session, stanza)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
188 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
189
6033
0d6f23049e95 mod_saslauth: Only do c2s SASL on normal VirtualHosts
Kim Alvefur <zash@zash.se>
parents: 5535
diff changeset
190 if session.type ~= "c2s_unauthed" or module:get_host_type() ~= "local" then return; end
3535
b953b0c0f203 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3524
diff changeset
191
3553
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
192 if session.sasl_handler and session.sasl_handler.selected then
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
193 session.sasl_handler = nil; -- allow starting a new SASL negotiation before completing an old one
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
194 end
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
195 if not session.sasl_handler then
4939
0545a574667b mod_saslauth: Pass session to usermanager.get_sasl_handler()
Matthew Wild <mwild1@gmail.com>
parents: 4754
diff changeset
196 session.sasl_handler = usermanager_get_sasl_handler(module.host, session);
3553
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
197 end
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
198 local mechanism = stanza.attr.mechanism;
6490
8ad74f48b2aa mod_saslauth: Use a configurable set of mechanisms to not allow over unencrypted connections
Kim Alvefur <zash@zash.se>
parents: 6489
diff changeset
199 if not session.secure and (secure_auth_only or insecure_mechanisms:contains(mechanism)) then
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
200 session.send(build_reply("failure", "encryption-required"));
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
201 return true;
6492
0d07fdc07d8c mod_saslauth: Make it possible to disable certain mechanisms
Kim Alvefur <zash@zash.se>
parents: 6491
diff changeset
202 elseif disabled_mechanisms:contains(mechanism) then
0d07fdc07d8c mod_saslauth: Make it possible to disable certain mechanisms
Kim Alvefur <zash@zash.se>
parents: 6491
diff changeset
203 session.send(build_reply("failure", "invalid-mechanism"));
0d07fdc07d8c mod_saslauth: Make it possible to disable certain mechanisms
Kim Alvefur <zash@zash.se>
parents: 6491
diff changeset
204 return true;
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
205 end
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
206 local valid_mechanism = session.sasl_handler:select(mechanism);
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
207 if not valid_mechanism then
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
208 session.send(build_reply("failure", "invalid-mechanism"));
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
209 return true;
295
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
210 end
3551
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
211 return sasl_process_cdata(session, stanza);
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
212 end);
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
213 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:response", function(event)
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
214 local session = event.origin;
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
215 if not(session.sasl_handler and session.sasl_handler.selected) then
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
216 session.send(build_reply("failure", "not-authorized", "Out of order SASL element"));
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
217 return true;
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
218 end
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
219 return sasl_process_cdata(session, event.stanza);
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
220 end);
3548
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
221 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:abort", function(event)
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
222 local session = event.origin;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
223 session.sasl_handler = nil;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
224 session.send(build_reply("failure", "aborted"));
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
225 return true;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
226 end);
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
227
6518
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
228 local function tls_unique(self)
6519
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
229 return self.userdata["tls-unique"]:getpeerfinished();
6518
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
230 end
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
231
357
17bcecb06420 Use a stanza for c2s stream features instead of an array of strings. Removes a FIXME.
Matthew Wild <mwild1@gmail.com>
parents: 313
diff changeset
232 local mechanisms_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-sasl' };
17bcecb06420 Use a stanza for c2s stream features instead of an array of strings. Removes a FIXME.
Matthew Wild <mwild1@gmail.com>
parents: 313
diff changeset
233 local bind_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-bind' };
17bcecb06420 Use a stanza for c2s stream features instead of an array of strings. Removes a FIXME.
Matthew Wild <mwild1@gmail.com>
parents: 313
diff changeset
234 local xmpp_session_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-session' };
2612
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
235 module:hook("stream-features", function(event)
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
236 local origin, features = event.origin, event.features;
7896
1a2674123c1c mod_saslauth: Cache logger in local for less typing
Kim Alvefur <zash@zash.se>
parents: 7784
diff changeset
237 local log = origin.log or log;
2612
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
238 if not origin.username then
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
239 if secure_auth_only and not origin.secure then
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
240 log("debug", "Not offering authentication on insecure connection");
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
241 return;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
242 end
6517
e733e98a348a mod_saslauth: Keep sasl_handler in a local variable
Kim Alvefur <zash@zash.se>
parents: 6493
diff changeset
243 local sasl_handler = usermanager_get_sasl_handler(module.host, origin)
e733e98a348a mod_saslauth: Keep sasl_handler in a local variable
Kim Alvefur <zash@zash.se>
parents: 6493
diff changeset
244 origin.sasl_handler = sasl_handler;
5860
87e2fafba5df mod_saslauth: Collect data for channel binding only if we know for sure that the stream is encrypted
Kim Alvefur <zash@zash.se>
parents: 5843
diff changeset
245 if origin.encrypted then
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
246 -- check wether LuaSec has the nifty binding to the function needed for tls-unique
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
247 -- FIXME: would be nice to have this check only once and not for every socket
6518
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
248 if sasl_handler.add_cb_handler then
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
249 local socket = origin.conn:socket();
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
250 if socket.getpeerfinished then
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
251 sasl_handler:add_cb_handler("tls-unique", tls_unique);
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
252 end
6519
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
253 sasl_handler["userdata"] = {
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
254 ["tls-unique"] = socket;
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
255 };
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
256 end
5832
7d100d917243 mod_saslauth: Set secure socket as SASL object user data for secure sessions.
Tobias Markmann <tm@ayena.de>
parents: 3983
diff changeset
257 end
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
258 local mechanisms = st.stanza("mechanisms", mechanisms_attr);
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
259 local sasl_mechanisms = sasl_handler:mechanisms()
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
260 for mechanism in pairs(sasl_mechanisms) do
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
261 if disabled_mechanisms:contains(mechanism) then
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
262 log("debug", "Not offering disabled mechanism %s", mechanism);
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
263 elseif not origin.secure and insecure_mechanisms:contains(mechanism) then
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
264 log("debug", "Not offering mechanism %s on insecure connection", mechanism);
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
265 else
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
266 mechanisms:tag("mechanism"):text(mechanism):up();
3417
53e854b52110 mod_saslauth: Check for unencrypted PLAIN auth in mod_saslauth instead of the SASL handler (makes it work for Cyrus SASL).
Waqas Hussain <waqas20@gmail.com>
parents: 3416
diff changeset
267 end
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
268 end
6489
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
269 if mechanisms[1] then
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
270 features:add_child(mechanisms);
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
271 elseif not next(sasl_mechanisms) then
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
272 log("warn", "No available SASL mechanisms, verify that the configured authentication module is working");
6489
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
273 else
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
274 log("warn", "All available authentication mechanisms are either disabled or not suitable for an insecure connection");
6489
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
275 end
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
276 else
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
277 features:tag("bind", bind_attr):tag("required"):up():up();
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
278 features:tag("session", xmpp_session_attr):tag("optional"):up():up();
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
279 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
280 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
281
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
282 module:hook("s2s-stream-features", function(event)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
283 local origin, features = event.origin, event.features;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
284 if origin.secure and origin.type == "s2sin_unauthed" then
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
285 -- Offer EXTERNAL only if both chain and identity is valid.
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
286 if origin.cert_chain_status == "valid" and origin.cert_identity_status == "valid" then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
287 module:log("debug", "Offering SASL EXTERNAL");
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
288 origin.external_auth = "offered"
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
289 features:tag("mechanisms", { xmlns = xmlns_sasl })
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
290 :tag("mechanism"):text("EXTERNAL")
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
291 :up():up();
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
292 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
293 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
294 end);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
295
7784
9f70d35a1602 core.sessionmanager, mod_saslauth: Introduce intermediate session type for authenticated but unbound sessions so that resource binding is not treated as a normal stanza
Kim Alvefur <zash@zash.se>
parents: 7298
diff changeset
296 module:hook("stanza/iq/urn:ietf:params:xml:ns:xmpp-bind:bind", function(event)
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
297 local origin, stanza = event.origin, event.stanza;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
298 local resource;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
299 if stanza.attr.type == "set" then
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
300 local bind = stanza.tags[1];
6302
76699a0ae4c4 mod_lastactivity, mod_legacyauth, mod_presence, mod_saslauth, mod_tls: Use the newer stanza:get_child APIs and optimize away some table lookups
Kim Alvefur <zash@zash.se>
parents: 6038
diff changeset
301 resource = bind:get_child("resource");
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
302 resource = resource and #resource.tags == 0 and resource[1] or nil;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
303 end
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
304 local success, err_type, err, err_msg = sm_bind_resource(origin, resource);
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
305 if success then
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
306 origin.send(st.reply(stanza)
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
307 :tag("bind", { xmlns = xmlns_bind })
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
308 :tag("jid"):text(origin.full_jid));
3524
d206b4e0a9f3 mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents: 3523
diff changeset
309 origin.log("debug", "Resource bound: %s", origin.full_jid);
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
310 else
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
311 origin.send(st.error_reply(stanza, err_type, err, err_msg));
3524
d206b4e0a9f3 mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents: 3523
diff changeset
312 origin.log("debug", "Resource bind failed: %s", err_msg or err);
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
313 end
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
314 return true;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
315 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
316
4029
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
317 local function handle_legacy_session(event)
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
318 event.origin.send(st.reply(event.stanza));
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
319 return true;
4029
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
320 end
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
321
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
322 module:hook("iq/self/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session);
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
323 module:hook("iq/host/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session);