prosody
e6380fcaffda
plugins/mod_saslauth.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

plugins/mod_saslauth.lua @ 2928:e6380fcaffda

mod_saslauth: Tidier code for SASL backend selection.
author Waqas Hussain <waqas20@gmail.com>
date Tue, 23 Mar 2010 20:17:46 +0500
parent 2927:c041495f0546
child 3061:c9f9b3964bb9
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
519
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 449
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 --
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 449
diff changeset
8
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
1721
1dcfb2c64302 Use NODEprep for prepping usernames used during SASL logins.
Tobias Markmann <tm@ayena.de>
parents: 1523
diff changeset
16 local nodeprep = require "util.encodings".stringprep.nodeprep;
1042
a3d77353c18a mod_*: Fix a load of global accesses
Matthew Wild <mwild1@gmail.com>
parents: 938
diff changeset
17 local datamanager_load = require "util.datamanager".load;
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 local usermanager_validate_credentials = require "core.usermanager".validate_credentials;
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
19 local usermanager_get_supported_methods = require "core.usermanager".get_supported_methods;
1585
edc066730d11 Switch to using a more generic credentials_callback/handler for SASL auth.
nick@lupine.me.uk
parents: 1584
diff changeset
20 local usermanager_user_exists = require "core.usermanager".user_exists;
edc066730d11 Switch to using a more generic credentials_callback/handler for SASL auth.
nick@lupine.me.uk
parents: 1584
diff changeset
21 local usermanager_get_password = require "core.usermanager".get_password;
46
d6b3f9dbb624 Resource binding, XMPP sessions (whatever they're for...)
Matthew Wild <mwild1@gmail.com>
parents: 38
diff changeset
22 local t_concat, t_insert = table.concat, table.insert;
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 local tostring = tostring;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
24 local jid_split = require "util.jid".split;
449
c0a4a1e63d70 Completely switched to new hashes library from the old md5 library
Waqas Hussain <waqas20@gmail.com>
parents: 447
diff changeset
25 local md5 = require "util.hashes".md5;
887
eef21d7bbe04 mod_saslauth: Disable SASL ANONYMOUS unless explicitly enabled with sasl_anonymous = true
Matthew Wild <mwild1@gmail.com>
parents: 799
diff changeset
26 local config = require "core.configmanager";
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27
2415
eb383f58624b mod_saslauth: Use module:get_option()
Paul Aurich <paul@darkrain42.org>
parents: 2414
diff changeset
28 local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
eb383f58624b mod_saslauth: Use module:get_option()
Paul Aurich <paul@darkrain42.org>
parents: 2414
diff changeset
29 local sasl_backend = module:get_option("sasl_backend") or "builtin";
1216
fd8ce71bc72b mod_saslauth, mod_legacyauth: Deny logins to unsecure sessions when require_encryption config option is true
Matthew Wild <mwild1@gmail.com>
parents: 1186
diff changeset
30
1071
216f9a9001f1 mod_saslauth: Use module logger instead of creating a new one
Matthew Wild <mwild1@gmail.com>
parents: 1042
diff changeset
31 local log = module._log;
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 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
34 local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind';
d6b3f9dbb624 Resource binding, XMPP sessions (whatever they're for...)
Matthew Wild <mwild1@gmail.com>
parents: 38
diff changeset
35 local xmlns_stanzas ='urn:ietf:params:xml:ns:xmpp-stanzas';
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36
2642
333d7e2033b2 mod_saslauth: Warn and fallback gracefully when Cyrus SASL is requested, but missing.
Waqas Hussain <waqas20@gmail.com>
parents: 2634
diff changeset
37 local new_sasl;
2928
e6380fcaffda mod_saslauth: Tidier code for SASL backend selection.
Waqas Hussain <waqas20@gmail.com>
parents: 2927
diff changeset
38 if sasl_backend == "builtin" then
e6380fcaffda mod_saslauth: Tidier code for SASL backend selection.
Waqas Hussain <waqas20@gmail.com>
parents: 2927
diff changeset
39 new_sasl = require "util.sasl".new;
e6380fcaffda mod_saslauth: Tidier code for SASL backend selection.
Waqas Hussain <waqas20@gmail.com>
parents: 2927
diff changeset
40 elseif sasl_backend == "cyrus" then
2724
3fcf1048a896 mod_saslauth: Add FIXME to remind myself to fix this as soon as I have time
Matthew Wild <mwild1@gmail.com>
parents: 2721
diff changeset
41 prosody.unlock_globals(); --FIXME: Figure out why this is needed and
3fcf1048a896 mod_saslauth: Add FIXME to remind myself to fix this as soon as I have time
Matthew Wild <mwild1@gmail.com>
parents: 2721
diff changeset
42 -- why cyrussasl isn't caught by the sandbox
2646
064efb684aff mod_saslauth: Correct syntax for gracefully handling a missing cyrussasl library
Matthew Wild <mwild1@gmail.com>
parents: 2642
diff changeset
43 local ok, cyrus = pcall(require, "util.sasl_cyrus");
2721
cf97b85c27b5 mod_saslauth: Unlock globals while loading cyrus
Matthew Wild <mwild1@gmail.com>
parents: 2647
diff changeset
44 prosody.lock_globals();
2646
064efb684aff mod_saslauth: Correct syntax for gracefully handling a missing cyrussasl library
Matthew Wild <mwild1@gmail.com>
parents: 2642
diff changeset
45 if ok then
2642
333d7e2033b2 mod_saslauth: Warn and fallback gracefully when Cyrus SASL is requested, but missing.
Waqas Hussain <waqas20@gmail.com>
parents: 2634
diff changeset
46 local cyrus_new = cyrus.new;
333d7e2033b2 mod_saslauth: Warn and fallback gracefully when Cyrus SASL is requested, but missing.
Waqas Hussain <waqas20@gmail.com>
parents: 2634
diff changeset
47 new_sasl = function(realm)
333d7e2033b2 mod_saslauth: Warn and fallback gracefully when Cyrus SASL is requested, but missing.
Waqas Hussain <waqas20@gmail.com>
parents: 2634
diff changeset
48 return cyrus_new(realm, module:get_option("cyrus_service_name") or "xmpp");
333d7e2033b2 mod_saslauth: Warn and fallback gracefully when Cyrus SASL is requested, but missing.
Waqas Hussain <waqas20@gmail.com>
parents: 2634
diff changeset
49 end
333d7e2033b2 mod_saslauth: Warn and fallback gracefully when Cyrus SASL is requested, but missing.
Waqas Hussain <waqas20@gmail.com>
parents: 2634
diff changeset
50 else
2927
c041495f0546 mod_saslauth: Fail with an error when the requested SASL backend cannot be used.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
51 module:log("error", "Failed to load Cyrus SASL because: %s", cyrus);
c041495f0546 mod_saslauth: Fail with an error when the requested SASL backend cannot be used.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
52 error("Failed to load Cyrus SASL");
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
53 end
2928
e6380fcaffda mod_saslauth: Tidier code for SASL backend selection.
Waqas Hussain <waqas20@gmail.com>
parents: 2927
diff changeset
54 else
e6380fcaffda mod_saslauth: Tidier code for SASL backend selection.
Waqas Hussain <waqas20@gmail.com>
parents: 2927
diff changeset
55 module:log("error", "Unknown SASL backend: %s", sasl_backend);
e6380fcaffda mod_saslauth: Tidier code for SASL backend selection.
Waqas Hussain <waqas20@gmail.com>
parents: 2927
diff changeset
56 error("Unknown SASL backend");
2390
4f8f9dfa22ac mod_saslauth: Add support for CyrusSASL.
Tobias Markmann <tm@ayena.de>
parents: 2388
diff changeset
57 end
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58
2450
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
59 local default_authentication_profile = {
2179
c985536d5452 Making mod_saslauth use the new SASL API.
Tobias Markmann <tm@ayena.de>
parents: 1639
diff changeset
60 plain = function(username, realm)
2450
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
61 local prepped_username = nodeprep(username);
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
62 if not prepped_username then
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
63 log("debug", "NODEprep failed on username: %s", username);
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
64 return "", nil;
2179
c985536d5452 Making mod_saslauth use the new SASL API.
Tobias Markmann <tm@ayena.de>
parents: 1639
diff changeset
65 end
2450
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
66 local password = usermanager_get_password(prepped_username, realm);
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
67 if not password then
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
68 return "", nil;
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
69 end
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
70 return password, true;
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
71 end
2179
c985536d5452 Making mod_saslauth use the new SASL API.
Tobias Markmann <tm@ayena.de>
parents: 1639
diff changeset
72 };
c985536d5452 Making mod_saslauth use the new SASL API.
Tobias Markmann <tm@ayena.de>
parents: 1639
diff changeset
73
2450
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
74 local anonymous_authentication_profile = {
2193
8fbbdb11a520 Merge with sasl branch.
Tobias Markmann <tm@ayena.de>
parents: 2014 2179
diff changeset
75 anonymous = function(username, realm)
2450
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
76 return true; -- for normal usage you should always return true here
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
77 end
03bb0e6d87d5 mod_saslauth: Made some variables local to avoid unnecessary global access.
Waqas Hussain <waqas20@gmail.com>
parents: 2418
diff changeset
78 };
38
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79
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
80 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
81 local reply = st.stanza(status, {xmlns = xmlns_sasl});
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
82 if status == "challenge" then
2860
ad534f89c758 mod_saslauth: Don't print raw SASL data to avoid logging passwords unnecessarily
Matthew Wild <mwild1@gmail.com>
parents: 2014
diff changeset
83 --log("debug", "CHALLENGE: %s", ret or "");
293
b446de4e258e base64 encode the sasl responses
Waqas Hussain <waqas20@gmail.com>
parents: 292
diff changeset
84 reply:text(base64.encode(ret or ""));
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
85 elseif status == "failure" then
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
86 reply:tag(ret):up();
293
b446de4e258e base64 encode the sasl responses
Waqas Hussain <waqas20@gmail.com>
parents: 292
diff changeset
87 if err_msg then reply:tag("text"):text(err_msg); end
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
88 elseif status == "success" then
2860
ad534f89c758 mod_saslauth: Don't print raw SASL data to avoid logging passwords unnecessarily
Matthew Wild <mwild1@gmail.com>
parents: 2014
diff changeset
89 --log("debug", "SUCCESS: %s", ret or "");
293
b446de4e258e base64 encode the sasl responses
Waqas Hussain <waqas20@gmail.com>
parents: 292
diff changeset
90 reply:text(base64.encode(ret or ""));
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
91 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
92 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
93 end
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
94 return reply;
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
95 end
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
96
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
97 local function handle_status(session, status)
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
98 if status == "failure" then
2251
18079ede5b62 mod_saslauth: Fix typo in variable name
Matthew Wild <mwild1@gmail.com>
parents: 2242
diff changeset
99 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
100 elseif status == "success" then
1846
fdb43fc1bafc mod_saslauth: Prep username used for authenticating a session
Matthew Wild <mwild1@gmail.com>
parents: 1721
diff changeset
101 local username = nodeprep(session.sasl_handler.username);
fdb43fc1bafc mod_saslauth: Prep username used for authenticating a session
Matthew Wild <mwild1@gmail.com>
parents: 1721
diff changeset
102 if not username then -- TODO move this to sessionmanager
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
103 module:log("warn", "SASL succeeded but we didn't get a username!");
7c20373d4451 mod_saslauth: Remove 2 instances of raising errors and replacing with more graceful handling
Matthew Wild <mwild1@gmail.com>
parents: 1072
diff changeset
104 session.sasl_handler = nil;
7c20373d4451 mod_saslauth: Remove 2 instances of raising errors and replacing with more graceful handling
Matthew Wild <mwild1@gmail.com>
parents: 1072
diff changeset
105 session:reset_stream();
7c20373d4451 mod_saslauth: Remove 2 instances of raising errors and replacing with more graceful handling
Matthew Wild <mwild1@gmail.com>
parents: 1072
diff changeset
106 return;
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
107 end
1042
a3d77353c18a mod_*: Fix a load of global accesses
Matthew Wild <mwild1@gmail.com>
parents: 938
diff changeset
108 sm_make_authenticated(session, session.sasl_handler.username);
281
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
109 session.sasl_handler = nil;
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
110 session:reset_stream();
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
111 end
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
112 end
826308c07627 mod_saslauth updated for digest-md5
Waqas Hussain <waqas20@gmail.com>
parents: 120
diff changeset
113
705
11afa1d88c55 mod_saslauth, mod_tls: minor code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 615
diff changeset
114 local function sasl_handler(session, stanza)
295
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
115 if stanza.name == "auth" then
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
116 -- FIXME ignoring duplicates because ejabberd does
1186
078eb3b109e9 mod_saslauth: Fix logic error which prevented SASL ANONYMOUS from working
Matthew Wild <mwild1@gmail.com>
parents: 1073
diff changeset
117 if config.get(session.host or "*", "core", "anonymous_login") then
078eb3b109e9 mod_saslauth: Fix logic error which prevented SASL ANONYMOUS from working
Matthew Wild <mwild1@gmail.com>
parents: 1073
diff changeset
118 if stanza.attr.mechanism ~= "ANONYMOUS" then
078eb3b109e9 mod_saslauth: Fix logic error which prevented SASL ANONYMOUS from working
Matthew Wild <mwild1@gmail.com>
parents: 1073
diff changeset
119 return session.send(build_reply("failure", "invalid-mechanism"));
078eb3b109e9 mod_saslauth: Fix logic error which prevented SASL ANONYMOUS from working
Matthew Wild <mwild1@gmail.com>
parents: 1073
diff changeset
120 end
938
663f75dd7b42 Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents: 935
diff changeset
121 elseif stanza.attr.mechanism == "ANONYMOUS" then
935
efe3eaaeff34 Fixed: mod_saslauth: "anonymous_login" currently makes SASL ANONYMOUS an exclusive mechanism. Corrected advertised mechanisms and error replies.
Waqas Hussain <waqas20@gmail.com>
parents: 934
diff changeset
122 return session.send(build_reply("failure", "mechanism-too-weak"));
efe3eaaeff34 Fixed: mod_saslauth: "anonymous_login" currently makes SASL ANONYMOUS an exclusive mechanism. Corrected advertised mechanisms and error replies.
Waqas Hussain <waqas20@gmail.com>
parents: 934
diff changeset
123 end
2179
c985536d5452 Making mod_saslauth use the new SASL API.
Tobias Markmann <tm@ayena.de>
parents: 1639
diff changeset
124 local valid_mechanism = session.sasl_handler:select(stanza.attr.mechanism);
c985536d5452 Making mod_saslauth use the new SASL API.
Tobias Markmann <tm@ayena.de>
parents: 1639
diff changeset
125 if not valid_mechanism then
935
efe3eaaeff34 Fixed: mod_saslauth: "anonymous_login" currently makes SASL ANONYMOUS an exclusive mechanism. Corrected advertised mechanisms and error replies.
Waqas Hussain <waqas20@gmail.com>
parents: 934
diff changeset
126 return session.send(build_reply("failure", "invalid-mechanism"));
efe3eaaeff34 Fixed: mod_saslauth: "anonymous_login" currently makes SASL ANONYMOUS an exclusive mechanism. Corrected advertised mechanisms and error replies.
Waqas Hussain <waqas20@gmail.com>
parents: 934
diff changeset
127 end
2784
e165414a454c mod_saslauth: Requiring c2s encryption means requiring c2s encryption... thanks Flo
Matthew Wild <mwild1@gmail.com>
parents: 2014
diff changeset
128 if secure_auth_only and not session.secure then
e165414a454c mod_saslauth: Requiring c2s encryption means requiring c2s encryption... thanks Flo
Matthew Wild <mwild1@gmail.com>
parents: 2014
diff changeset
129 return session.send(build_reply("failure", "encryption-required"));
e165414a454c mod_saslauth: Requiring c2s encryption means requiring c2s encryption... thanks Flo
Matthew Wild <mwild1@gmail.com>
parents: 2014
diff changeset
130 end
295
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
131 elseif not session.sasl_handler then
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
132 return; -- FIXME ignoring out of order stanzas because ejabberd does
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
133 end
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
134 local text = stanza[1];
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
135 if text then
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
136 text = base64.decode(text);
2860
ad534f89c758 mod_saslauth: Don't print raw SASL data to avoid logging passwords unnecessarily
Matthew Wild <mwild1@gmail.com>
parents: 2014
diff changeset
137 --log("debug", "AUTH: %s", text:gsub("[%z\001-\008\011\012\014-\031]", " "));
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
138 if not text then
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
139 session.sasl_handler = nil;
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
140 session.send(build_reply("failure", "incorrect-encoding"));
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
141 return;
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
142 end
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
143 end
2179
c985536d5452 Making mod_saslauth use the new SASL API.
Tobias Markmann <tm@ayena.de>
parents: 1639
diff changeset
144 local status, ret, err_msg = session.sasl_handler:process(text);
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
145 handle_status(session, status);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
146 local s = build_reply(status, ret, err_msg);
1072
c7967004b5d0 mod_saslauth: Various logging fixes
Matthew Wild <mwild1@gmail.com>
parents: 1071
diff changeset
147 log("debug", "sasl reply: %s", tostring(s));
288
dc53343af9ac Set username in a SASL object.
Tobias Markmann <tm@ayena.de>
parents: 286
diff changeset
148 session.send(s);
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
149 end
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
150
438
193f9dd64f17 Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents: 357
diff changeset
151 module:add_handler("c2s_unauthed", "auth", xmlns_sasl, sasl_handler);
193f9dd64f17 Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents: 357
diff changeset
152 module:add_handler("c2s_unauthed", "abort", xmlns_sasl, sasl_handler);
193f9dd64f17 Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents: 357
diff changeset
153 module:add_handler("c2s_unauthed", "response", xmlns_sasl, sasl_handler);
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
154
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
155 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
156 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
157 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
158 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
159 local origin, features = event.origin, event.features;
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
160 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
161 if secure_auth_only and not origin.secure then
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
162 return;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
163 end
2898
da70c26fe61b mod_saslauth: Add a sasl_realm option
Paul Aurich <paul@darkrain42.org>
parents: 2724
diff changeset
164 local realm = module:get_option("sasl_realm") or origin.host;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
165 if module:get_option("anonymous_login") then
2898
da70c26fe61b mod_saslauth: Add a sasl_realm option
Paul Aurich <paul@darkrain42.org>
parents: 2724
diff changeset
166 origin.sasl_handler = new_sasl(realm, anonymous_authentication_profile);
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
167 else
2898
da70c26fe61b mod_saslauth: Add a sasl_realm option
Paul Aurich <paul@darkrain42.org>
parents: 2724
diff changeset
168 origin.sasl_handler = new_sasl(realm, default_authentication_profile);
2612
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
169 if not (module:get_option("allow_unencrypted_plain_auth")) and not origin.secure then
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
170 origin.sasl_handler:forbidden({"PLAIN"});
705
11afa1d88c55 mod_saslauth, mod_tls: minor code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 615
diff changeset
171 end
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
172 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
173 features:tag("mechanisms", mechanisms_attr);
2612
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
174 for k, v in pairs(origin.sasl_handler:mechanisms()) do
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
175 features:tag("mechanism"):text(v):up();
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
176 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
177 features:up();
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
178 else
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
179 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
180 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
181 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
182 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
183
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
184 module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind", function(session, stanza)
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
185 log("debug", "Client requesting a resource bind");
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
186 local resource;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
187 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
188 local bind = stanza.tags[1];
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
189 if bind and bind.attr.xmlns == xmlns_bind then
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
190 resource = bind:child_with_name("resource");
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
191 if resource then
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
192 resource = resource[1];
46
d6b3f9dbb624 Resource binding, XMPP sessions (whatever they're for...)
Matthew Wild <mwild1@gmail.com>
parents: 38
diff changeset
193 end
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
194 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
195 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
196 local success, err_type, err, err_msg = sm_bind_resource(session, resource);
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
197 if not success then
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
198 session.send(st.error_reply(stanza, err_type, err, err_msg));
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
199 else
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
200 session.send(st.reply(stanza)
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
201 :tag("bind", { xmlns = xmlns_bind})
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
202 :tag("jid"):text(session.full_jid));
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
203 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
204 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
205
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
206 module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session", function(session, stanza)
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
207 log("debug", "Client requesting a session");
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
208 session.send(st.reply(stanza));
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
209 end);