prosody-modules
da2e593317d7
mod_auth_ldap/mod_auth_ldap.lua

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

Software / code / prosody-modules

Annotate

mod_auth_ldap/mod_auth_ldap.lua @ 1287:da2e593317d7

mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
author Kim Alvefur <zash@zash.se>
date Fri, 24 Jan 2014 18:22:23 +0100
parent 1274:4b15437d6c56
child 1374:ab638f6b53dc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1273
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
1 -- mod_auth_ldap
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
2
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
3 local new_sasl = require "util.sasl".new;
1273
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
4 local lualdap = require "lualdap";
1287
da2e593317d7 mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
Kim Alvefur <zash@zash.se>
parents: 1274
diff changeset
5 local function ldap_filter_escape(s) return (s:gsub("[\\*\\(\\)\\\\%z]", function(c) return ("\\%02x"):format(c:byte()) end)); end
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
6
1273
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
7 -- Config options
1162
8e3420d48508 mod_auth_ldap: Switch to type-specific get_option variants
Kim Alvefur <zash@zash.se>
parents: 902
diff changeset
8 local ldap_server = module:get_option_string("ldap_server", "localhost");
8e3420d48508 mod_auth_ldap: Switch to type-specific get_option variants
Kim Alvefur <zash@zash.se>
parents: 902
diff changeset
9 local ldap_rootdn = module:get_option_string("ldap_rootdn", "");
8e3420d48508 mod_auth_ldap: Switch to type-specific get_option variants
Kim Alvefur <zash@zash.se>
parents: 902
diff changeset
10 local ldap_password = module:get_option_string("ldap_password", "");
8e3420d48508 mod_auth_ldap: Switch to type-specific get_option variants
Kim Alvefur <zash@zash.se>
parents: 902
diff changeset
11 local ldap_tls = module:get_option_boolean("ldap_tls");
1163
52bee1247014 mod_auth_ldap: Add a configurable scope, defaulting to onelevel
Kim Alvefur <zash@zash.se>
parents: 1162
diff changeset
12 local ldap_scope = module:get_option_string("ldap_scope", "onelevel");
1287
da2e593317d7 mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
Kim Alvefur <zash@zash.se>
parents: 1274
diff changeset
13 local ldap_filter = module:get_option_string("ldap_filter", "(uid=$user)"):gsub("%%s", "$user", 1);
1162
8e3420d48508 mod_auth_ldap: Switch to type-specific get_option variants
Kim Alvefur <zash@zash.se>
parents: 902
diff changeset
14 local ldap_base = assert(module:get_option_string("ldap_base"), "ldap_base is a required option for ldap");
1274
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
15 local ldap_mode = module:get_option_string("ldap_mode", "getpasswd");
1287
da2e593317d7 mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
Kim Alvefur <zash@zash.se>
parents: 1274
diff changeset
16 local host = ldap_filter_escape(module:get_option_string("realm", module.host));
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
17
1273
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
18 -- Initiate connection
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
19 local ld = assert(lualdap.open_simple(ldap_server, ldap_rootdn, ldap_password, ldap_tls));
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
20 module.unload = function() ld:close(); end
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
21
1190
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
22 local function get_user(username)
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
23 module:log("debug", "get_user(%q)", username);
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
24 return ld:search({
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
25 base = ldap_base;
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
26 scope = ldap_scope;
1287
da2e593317d7 mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
Kim Alvefur <zash@zash.se>
parents: 1274
diff changeset
27 filter = ldap_filter:gsub("%$(%a+)", {
da2e593317d7 mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
Kim Alvefur <zash@zash.se>
parents: 1274
diff changeset
28 user = ldap_filter_escape(username);
da2e593317d7 mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
Kim Alvefur <zash@zash.se>
parents: 1274
diff changeset
29 host = host;
da2e593317d7 mod_auth_ldap: Switch config format for ldap_filter to eg (uid=$user)
Kim Alvefur <zash@zash.se>
parents: 1274
diff changeset
30 });
1190
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
31 })();
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
32 end
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
33
814
881ec9919144 mod_auth_*: Use module:provides(), and don't explicitly specify provider.name.
Waqas Hussain <waqas20@gmail.com>
parents: 342
diff changeset
34 local provider = {};
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
35
1273
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
36 function provider.create_user(username, password)
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
37 return nil, "Account creation not available with LDAP.";
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
38 end
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
39
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
40 function provider.user_exists(username)
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
41 return not not get_user(username);
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
42 end
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
43
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
44 function provider.set_password(username, password)
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
45 local dn, attr = get_user(username);
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
46 if not dn then return nil, attr end
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
47 if attr.userPassword == password then return true end
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
48 return ld:modify(dn, { '=', userPassword = password })();
1b543060f31e mod_auth_ldap: Cleanup, reorder and some comments
Kim Alvefur <zash@zash.se>
parents: 1221
diff changeset
49 end
1274
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
50
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
51 if ldap_mode == "getpasswd" then
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
52 function provider.get_password(username)
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
53 local dn, attr = get_user(username);
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
54 if dn and attr then
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
55 return attr.userPassword;
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
56 end
1190
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
57 end
1274
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
58
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
59 function provider.test_password(username, password)
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
60 return provider.get_password(username) == password;
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
61 end
1190
c99d8b666eb4 mod_auth_ldap: Convert from plain_test to plain mode, allowing SCRAM and similar.
Kim Alvefur <zash@zash.se>
parents: 1163
diff changeset
62
1274
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
63 function provider.get_sasl_handler()
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
64 return new_sasl(module.host, {
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
65 plain = function(sasl, username)
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
66 local password = provider.get_password(username);
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
67 if not password then return "", nil; end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
68 return password, true;
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
69 end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
70 });
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
71 end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
72 elseif ldap_mode == "bind" then
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
73 local function test_password(userdn, password)
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
74 return not not lualdap.open_simple(ldap_server, userdn, password, ldap_tls);
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
75 end
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
76
1274
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
77 function provider.test_password(username, password)
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
78 local dn = get_user(username);
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
79 if not dn then return end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
80 return test_password(dn, password)
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
81 end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
82
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
83 function provider.get_sasl_handler()
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
84 return new_sasl(module.host, {
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
85 plain_test = function(sasl, username, password)
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
86 return provider.test_password(username, password), true;
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
87 end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
88 });
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
89 end
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
90 else
4b15437d6c56 mod_auth_ldap: Add support for binding
Kim Alvefur <zash@zash.se>
parents: 1273
diff changeset
91 module:log("error", "Unsupported ldap_mode %s", tostring(ldap_mode));
293
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
92 end
d76f47a608ab mod_auth_ldap: Convert to real line endings
Matthew Wild <mwild1@gmail.com>
parents: 286
diff changeset
93
814
881ec9919144 mod_auth_*: Use module:provides(), and don't explicitly specify provider.name.
Waqas Hussain <waqas20@gmail.com>
parents: 342
diff changeset
94 module:provides("auth", provider);